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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
Synonyms: 1-Bromo-2,5-pyrrolidinedione
4.5
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Wilms, Gerrit ; Schofield, Kevin ; Maddern, Shayna ; Foley, Christopher ; Shaw, Yeng ; Smith, Breland , et al.
Abstract: Small-molecule-induced protein degradation has emerged as a promising pharmacological modality for inactivating disease-relevant protein kinases. DYRK1A and DYRK1B are closely related protein kinases that are involved in pathological processes such as neurodegeneration, cancer development, and adaptive immune homeostasis. Herein, we report the development of the first DYRK1 proteolysis targeting chimeras (PROTACs) that combine a new ATP-competitive DYRK1 inhibitor with ligands for the E3 ubiquitin ligase component cereblon (CRBN) to induce ubiquitination and subsequent proteasomal degradation of DYRK1A and DYRK1B. The lead compound (DYR684) promoted fast, efficient, potent, and selective degradation of DYRK1A in cell-based assays. Interestingly, an enzymatically inactive splicing variant of DYRK1B (p65) resisted degradation. Compared to competitive kinase inhibition, targeted degradation of DYRK1 by DYR684 provided improved suppression of downstream signaling. Collectively, our results identify DYRKs as viable targets for PROTAC-mediated degradation and qualify DYR684 as a useful chemical probe for DYRK1A and DYRK1B.
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Górski, Krzysztof ; Pejov, Ljupcho ; Jørgensen, Kåre B ; Knysh, Iryna ; Jacquemin, Denis ; Gryko, Daniel T
Abstract: Here we present a highly versatile synthetic strategy based on twofold 6π-electrocyclization accompanied with HBr elimination as a novel approach towards centrosymmetric multi-heteroatom-doped nanographenes build around an electron-rich 1,4-dihydropyrrolo[3,2-b]pyrrole core. A straightforward synthesis from readily available substrates offers a unique possibility of fusing the 1,4-dihydropyrrolo[3,2-b]pyrrole subunit not only with carbocyclic building blocks, such as electron-deficient phenanthrenes, chrysenes, or [4]helicenes, but also with heterocyclic systems, such asbenzo[b]furan and 5-thiatruxene. The clear advantage of this strategy is that there is no requirement to assemble complex scaffolds possessing bromoaryl units since bromine atom is introduced by bromination of 1,4-dihydropyrrolo[3,2-b]pyrrole core which, because of its exceptionally electron-rich character, is straightforward reaction. The obtained χ-shaped and S-shaped nanographenes containing 10or more fused rings, exhibit visible-range emissions characterized by fluorescence quantum yields reaching 48%. Computational studies of the reaction mechanism revealed that the 6π-electrocyclization is kinetically favourable over photo-induced direct arylation. Steadystate UV/Visible spectroscopy reveals that upon photoexcitation, the prepared S-shaped N-doped nanographenes undergo mostly radiative relaxation leading to large fluorescence quantum yields. We anticipate that this chemistry will empower the creation of new materials with various functionalities.
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Keywords: Dyes/Pigments ; Photochemistry ; Nanographenes ; Pyrrole ; Fluorescence
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Synthesis of N-Sulfenylimines from Disulfides and Primary Methanamines
Robert Kawȩcki ;
Abstract: N-Sulfenylimines (sulfenimines, thiooximes, N-alkylidenesulfenamides) were efficiently synthesized through the reaction of primary amines and disulfides with NBS or bromine. This reaction can be carried out in an open flask at room temperature without the need for any transition-metal-containing additives. The use of thiols instead of disulfides gave similar results. A wide range of amines were reacted with aryl and alkyldisulfides, resulting in the formation of sulfenimines in a yield of 44–99%.
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CAS No. : | 128-08-5 |
Formula : | C4H4BrNO2 |
M.W : | 177.98 |
SMILES Code : | O=C(CC1)N(Br)C1=O |
Synonyms : |
1-Bromo-2,5-pyrrolidinedione
|
MDL No. : | MFCD00005510 |
InChI Key : | PCLIMKBDDGJMGD-UHFFFAOYSA-N |
Pubchem ID : | 67184 |
GHS Pictogram: |
![]() ![]() ![]() ![]() ![]() |
Signal Word: | Danger |
Hazard Statements: | H272-H290-H315-H317-H319-H341-H400 |
Precautionary Statements: | P201-P202-P210-P220-P221-P234-P261-P264-P272-P273-P280-P302+P352-P305+P351+P338-P308+P313-P333+P313-P337+P313-P370+P378-P390-P391-P405-P406-P501 |
Class: | 8(5.1) |
UN#: | 3084 |
Packing Group: | Ⅱ |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dibenzoyl peroxide; In chloroform; for 6h;Heating / reflux; | Step 2: 2-Bromo-5-bromomethylpyridine To a suspension of 2-bromo-5-methylpyridine (170g, 0. [95MO1)] in [CC14] (2L) was added NBS (193g, [1.] [08MOL)] and benzoylperoxide (15g) and the mixture was refluxed for 6h. The reaction mixture was cooled down to rt and the solid formed was filtered off. The filtrate was concentrated affording 275g of crude 2-bromo-5-bromomethylpyridine which was used without further purification in the next step (mixture of mono-bromo and di-bromo). [TLC, [RF=] 0.7, pet. ether/ethylacetate 9: 1]. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With dibenzoyl peroxide; In tetrachloromethane; for 1.0h;Heating / reflux; | A mixture of 1-ethyl-4-nitro-benzene (3.4 mL, 25 mmol), N-bromosuccinimide (4.38 g, 24.6 mmol) and benzoylperoxide (0.04g, 0.18 mmol) in carbon tetrachloride (30 mL) was refluxed 1h, cooled and filtered, washing with 1:1 ethyl acetate : hexanes. The filtrate was evaporated and purified by flash chromatography (SiO2) eluted with 2:98 ethyl acetate : hexanes to provide 1-(1-bromo-ethyl)-4-nitro-benzene (5.18 g, 90% yield) as a yellow oil. 1H-NMR (CDCl3, 500 MHz) 8.22 (d, 2H), 7.62 (d, 2H), 5.22 (q, 1H), 2.08 (d, 3H) ppm; HPLC (Method A) 3.837 min. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2,2'-azobis(isobutyronitrile); In benzene; at 20℃; for 0.5h;Heating / reflux; | (1) 2.08 g of <strong>[37830-90-3]4,5-dimethyl-1,3-dioxol-2-one</strong> was dissolved in 24 mL of benzene, to which 3.25 g of N-bromosuccinimide and 86 mg of 2,2'-azobis(isobutyronitrile) were added at room temperature, and this mixture was stirred for 30 minutes while heating it under reflux. The reaction mixture was cooled to room temperature, and consequently, a solution of 4-bromomethyl-5-methyl-1,3-dioxol-2-one in benzene was obtained.(2) 3.00 g of methyl 3-(5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[3-(methoxymethoxy)-1,2-benzisoxazol-6-yl]methoxy}phenyl) propanoate was dissolved in 15 mL of methanol and 15 mL of tetrahydrofuran, to which a solution of 1.08 g of potassium hydroxide in 4.5 mL of water was added, and this mixture was stirred for one hour at room temperature, and then the solvent was distilled out under reduced pressure. The resultant residue was dissolved in 40 mL of N,N-dimethylformamide, to which 3.60 g of potassium carbonate was added. Then, the benzene solution prepared in (1) was added thereto, and was stirred for one hour at room temperature. The reaction mixture was poured into a mixture of ethyl acetate and water, and adjusted to pH 7 with 6M hydrochloric acid, and then the organic phase was separated therefrom. After the resultant organic phase was washed with water and a saturated sodium chloride solution successively, the washed phase was dried over anhydrous sodium sulfate, and the solvent was distilled out under reduced pressure. The resultant residue was purified by silica gel column chromatography [eluent; toluene:ethyl acetate=5:1] to yield 1.58 g of (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 3-(5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[3-(methoxymethoxy)-1,2-benzisoxazol-6-yl]methoxy}phenyl) propanoate as yellow oil. NMR(400MHz,CDCl3) delta value: 1.5-2.0(8H,m), 2.16(3H,s), 2.75(2H,t,J=7.6Hz), 3.10(2H,t,J=7.6Hz), 3.65(3H,s), 4.5-5.0(3H,m), 5.33(2H,s), 5.57(2H,s), 6.37(1H,dd,J=8.8,2.4Hz), 6.47(1H,d,J=2.4Hz), 6.95(1H,d,J=8.4Hz), 7.35(1H,dd,J=8.4,1.2Hz), 7.4-7.6(4H,m), 7.72(1H,d,J=8.0Hz), 12.67(1H,s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | In dichloromethane; nitrogen; | Step 34a To a dry flask is added methyl 1-methyl-1H-pyrrole-2-carboxylate (12.0 g, 86.4 mmol) and 150 mL of dry CH2Cl2, and the flask is wrapped in foil and purged with nitrogen. N-Bromosuccinimide (16.2 g, 90.7 mmol) is added in one portion and the mixture is stirred at rt for 0.5 h. The reaction mixture is washed with water (50 mL) and brine (50 mL), dried over MgSO4, filtered, and concentrated under reduced pressure. Fractional distillation gives 12.0 g of methyl 5-bromo-1-methyl-1H-pyrrole-2-carboxylate as a yellow oil (64% yield). MS for C7H8NO2Br (ESI) (M)+m/z 217.1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | In chloroform; | (a) 5-Amino-4-bromo-3-methylisoxazole 5-Amino-3-methylisoxazole (0.98 g, 10 mmol) was dissolved in chloroform (15 ml) and cooled to 0 C. N-Bromosuccinimide (1.78 g, 10 mmoles) was added in small portions over a period of 10 min. The stirring was continued for another 10 minutes at 0 C. The reaction mixture was diluted with chloroform (50 ml), washed with water (2*50 ml) and the organic layer was dried over magnesium sulfate. Removal of the solvent under reduced pressure gave the crude product, which was purified by column chromatography using 9:1, hexanes/ethyl acetate as the eluent, to give 5-amino-4-bromo-3-methylisoxazole (1.55 g, 87% yield). |
87% | In chloroform; | (a) 5-Amino-4-bromo-3-methylisoxazole 5-Amino-3-methylisoxazole (0.98 g, 10 mmol) was dissolved in chloroform (15 ml) and cooled to 0 C. N-Bromosuccinimide (1.78 g, 10 mmoles) was added in small portions over a period of 10 min. The stirring was continued for another 10 minutes at 0 C. The reaction mixture was diluted with chloroform (50 ml), washed with water (2*50 ml) and the organic layer was dried over magnesium sulfate. Removal of the solvent under reduced pressure gave the crude product which was purified by column chromatography using 9:1, hexanes/ethyl acetate as eluent to give 5-amino-4-bromo-3-methylisoxazole (1.55 g, 87% yield). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dibenzoyl peroxide;SiO2; In water; ethyl acetate; benzene; | Ethyl 5-bromomethyl-2-thiophenecarboxylate N-Bromosuccinimide (23.5 g, 132 mmol), benzoyl peroxide (0.26 g) and 90 mL of benzene were brought to reflux under argon. Ethyl 5-methyl-2-thiophenecarboxylate (22.5 g, 132 mmol) was added dropwise through an addition funnel and the resulting mixture was refluxed for 6 hours and then cooled to room temperature and stirred for 16 hours. The mixture was treated with 50 mL of water and extracted with 3*75 mL ether. The ether extracts were combined and washed with 75 mL saturated aqueous NaCl and then dried (MgSO4). The solvent was removed in-vacuo and the residual oil purified by flash chromatography (SiO2, 99:1, ethyl acetate in hexanes) to give the title compound as a clear, yellow oil. PMR (CDCl3): delta1.37 (3H, t, J=7.3 Hz), 4.35 (2H, q, J=7.3 Hz), 4.68 (3H, s), 7.09 (1H, d, J =4.0 Hz), 7.64 (1H, d, J =4.0 Hz). | |
With dibenzoyl peroxide; In water; benzene; | Ethyl 5-bromomethyl-2-thiophenecarboxylate (Compound 21) N-Bromosuccinimide (23.5 g, 132 mmol), benzoyl peroxide (0.26 g) and 90 mL of benzene were brought to reflux under argon. Ethyl 5-methyl-2-thiophenecarboxylate (Compound 20, 22.5 g, 132 mmol) was added dropwise through an addition funnel and the resulting mixture was refluxed for 6 hours and then cooled to room temperature and stirred for 16 hours. The mixture was treated with 50 mL of water and extracted with 3*75 mL ether. The ether extracts were combined and washed with 75 mL saturated aqueous NaCl and then dried (MgSO4). The solvent was removed in-vacuo and the residual oil purified by flash chromatography (SiO2, 99:1, hexane:ethyl acetate) to give the title compound as a clear, yellow oil. PMR (CDCl3): delta1.37 (3H, t, J=7.3 Hz), 4.35 (2H, q, J=7.3 Hz), 4.68 (3H, s), 7.09 (1H, d, J=4.0 Hz), 7.64 (1H, d, J=4.0 Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In chloroform; | 4. 2-Chloro-3-bromo-6-aminopyrazine and 2-amino-3-bromo-6-chloropyrazine A solution of 2-chloro-6-aminopyrazine (20 g, 0.15 mole) in chloroform (1940 ml) was stirred at -5° C. to 0° C. N-Bromosuccinimide (27.58 g, 0.15 mole) was added in portions maintaining the temperature between -5 and 0° C. The mixture was warmed to room temperature and stirred for 3.50 hrs. The mixture was then washed with aqueous saturated sodium bicarbonate (1*300 ml), then water (1*500 ml), dried over anhydrous magnesium sulphate, filtered and the filtrate evaporated down in vacuo. The residue was purified by 'flash chromatography' using chloroform as the eluent. Yield of 2-chloro-3-bromo-6-aminopyrazine 13.89 g (43percent), M.p. 146-147° C. Yield of 2-amino-3-bromo-6-chloropyrazine 4.90 g (15percent), M.p. 124-125° C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In N,N-dimethyl-formamide; at 20℃; for 14h; | General procedure: To a solution of 3-anisyl pinacol borane (50 mg, 0.21 mmol)in DMF (1 mL) was added N-bromosuccinimide (82 mg, 0.46 mmol). After stirring at room temperature for 14 h, resultant solution was treated with 10% Na2S2O3aq (10 ml) and was extracted with Et2O (10 ml3). The combined organic phase was washed with H2O (10 ml2) and brine (10 ml1) and dried over MgSO4. After removal of solvent under reduced pressure, the residue was chromatographed on silica gel with Hexane to afford 2-bromo-5-methoxyphenyl pinacol borate (57.3 mg, 87% yield) as colorless oil |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | In N,N-dimethyl-formamide; at 20℃; for 14h; | General procedure: To a solution of 3-anisyl pinacol borane (50 mg, 0.21 mmol)in DMF (1 mL) was added N-bromosuccinimide (82 mg, 0.46 mmol). After stirring at room temperature for 14 h, resultant solution was treated with 10% Na2S2O3aq (10 ml) and was extracted with Et2O (10 ml3). The combined organic phase was washed with H2O (10 ml2) and brine (10 ml1) and dried over MgSO4. After removal of solvent under reduced pressure, the residue was chromatographed on silica gel with Hexane to afford 2-bromo-5-methoxyphenyl pinacol borate (57.3 mg, 87% yield) as colorless oil |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With azobisisobutyronitrile; In chloroform; for 4.5h;Reflux; | To the mixture of <strong>[54044-79-0]2-bromo-5-methyl-1,3,4-thiadiazole</strong> (3.6 g, 20 mmol) in CC14 (320 ml) was added 1-bromopyrrolidine-2,5-dione (3600 mg, 20 mmol) and (E)-2,2?-(diazene- 1,2-diyl)bis(2-methylpropanenitrile) (190 mg, 1.2 mmol). The resulting mixture was heated at reflux for 4.5 hrs. After filtration through celite and washing of the pad with DCM, the combined filtrate was concentrated and the residue was purified on silica gel column usingEtOAc/hexane as eluting solvents to give 2-bromo-5-(bromomethyl)-1,3,4-thiadiazole. LC/MS:(M+1): 256.83, 258.84, 260.88. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium sulfate; dibenzoyl peroxide; In tetrachloromethane; water; | 3. Synthesis of a mono-anionic ligand (salt form): sodium (4'-methyl-2,2'-bipyridin-4-yl)methanesulfonate (6) To 4,4'-dimethyl-2,2'-bipyridine (20 g, 108.5 mmol) in 400 mL of anhydrous tetrachloromethane was added 19 g (106.8 mmol) of N-Bromosuccinimide and 2.6 g of benzoyl peroxide. The mixture was refluxed overnight and cooled to room temperature. The solid was removed by filtration and the filtrate concentrated by rotary-evaporation. The column chromatography with triethylamine treated silica column afforded 6 g of 4-(bromomethyl)-4'-methyl-2,2'-bipyridine (5), which was mixed with 4.9 g (38.9 mmol) of Na2SO3 in 100 mL of water. The cloudy mixture was refluxed for six hours. When it was still hot, the supernatant was concentrated to about 30 mL and cooled to room temperature. The yellow precipitate was collected by filtration and washed with dichloromethane to afford 3.6 g of 4'-methyl-2,2'-bipyridin-4-yl)methanesulfonate (6). 1H NMR (D2O, 400 MHz, See ) delta 8.81 (1H), 8.67 (1H), 8.44 (1H), 8.30 (1H), 7.88 (1H), 7.76 (1H), 4.42 (2H), 2.73 (3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
68% | In chloroform; N,N-dimethyl-formamide; at 20.0℃; for 10h; | To 0.025 g (0.0296 mmol) of copper tetraphenylporphyrin in a mixture of 10 mL ofCHCl3 and 1mL of DMF was added 0.105 g (0.592 mmol) of NBS and stirred at roomtemperature for 10 h. The reaction mixture was evaporated to a minimum 10 mL ofDMF, H2O and NaClsolid was added. Dark brown precipitate was filtered off, washedwith water and dried, then chromatographed on Al2O3 with CHCl3, and precipitatedfrom C25OH. Yield: 68% (0.026 g, 0.0199 mmol). Mass spectrum, m/z (Irel, %) 1306.6(98) [M]+ was calculated for C44H20N4Br8Cu - 1307.5. UV-vis spectrum in CHCl3, lambda, nm(log epsilon)626 sh., 581 (4.33), 467 (5.21), 447 sh |
Tags: NBS | 1-Bromo-2,5-pyrrolidinedione | Halogenation Reagents | Pyrrolidines | Insecticide | Ketones | Organic Building Blocks | Pesticide Composition | Synthetic Reagents | Other Inhibitors/Agonists | Heterocyclic Building Blocks | 128-08-5
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P302 + P350 | IF ON SKIN: Gently wash with plenty of soap and water. |
P303 + P361 + P353 | IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
P304 + P312 | IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell. |
P304 + P340 | IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
P304 + P341 | IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P305 + P351 + P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
P306 + P360 | IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes. |
P307 + P311 | IF exposed: call a POISON CENTER or doctor/physician. |
P308 + P313 | IF exposed or concerned: Get medical advice/attention. |
P309 + P311 | IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician. |
P332 + P313 | IF SKIN irritation occurs: Get medical advice/attention. |
P333 + P313 | IF SKIN irritation or rash occurs: Get medical advice/attention. |
P335 + P334 | Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages. |
P337 + P313 | IF eye irritation persists: Get medical advice/attention. |
P342 + P311 | IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
P370 + P376 | In case of fire: Stop leak if safe to Do so. |
P370 + P378 | In case of fire: |
P370 + P380 | In case of fire: Evacuate area. |
P370 + P380 + P375 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. |
P371 + P380 + P375 | In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. |
Storage | |
Code | Phrase |
P401 | |
P402 | Store in a dry place. |
P403 | Store in a well-ventilated place. |
P404 | Store in a closed container. |
P405 | Store locked up. |
P406 | Store in corrosive resistant/ container with a resistant inner liner. |
P407 | Maintain air gap between stacks/pallets. |
P410 | Protect from sunlight. |
P411 | |
P412 | Do not expose to temperatures exceeding 50 oC/ 122 oF. |
P413 | |
P420 | Store away from other materials. |
P422 | |
P402 + P404 | Store in a dry place. Store in a closed container. |
P403 + P233 | Store in a well-ventilated place. Keep container tightly closed. |
P403 + P235 | Store in a well-ventilated place. Keep cool. |
P410 + P403 | Protect from sunlight. Store in a well-ventilated place. |
P410 + P412 | Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF. |
P411 + P235 | Keep cool. |
Disposal | |
Code | Phrase |
P501 | Dispose of contents/container to ... |
P502 | Refer to manufacturer/supplier for information on recovery/recycling |
Physical hazards | |
Code | Phrase |
H200 | Unstable explosive |
H201 | Explosive; mass explosion hazard |
H202 | Explosive; severe projection hazard |
H203 | Explosive; fire, blast or projection hazard |
H204 | Fire or projection hazard |
H205 | May mass explode in fire |
H220 | Extremely flammable gas |
H221 | Flammable gas |
H222 | Extremely flammable aerosol |
H223 | Flammable aerosol |
H224 | Extremely flammable liquid and vapour |
H225 | Highly flammable liquid and vapour |
H226 | Flammable liquid and vapour |
H227 | Combustible liquid |
H228 | Flammable solid |
H229 | Pressurized container: may burst if heated |
H230 | May react explosively even in the absence of air |
H231 | May react explosively even in the absence of air at elevated pressure and/or temperature |
H240 | Heating may cause an explosion |
H241 | Heating may cause a fire or explosion |
H242 | Heating may cause a fire |
H250 | Catches fire spontaneously if exposed to air |
H251 | Self-heating; may catch fire |
H252 | Self-heating in large quantities; may catch fire |
H260 | In contact with water releases flammable gases which may ignite spontaneously |
H261 | In contact with water releases flammable gas |
H270 | May cause or intensify fire; oxidizer |
H271 | May cause fire or explosion; strong oxidizer |
H272 | May intensify fire; oxidizer |
H280 | Contains gas under pressure; may explode if heated |
H281 | Contains refrigerated gas; may cause cryogenic burns or injury |
H290 | May be corrosive to metals |
Health hazards | |
Code | Phrase |
H300 | Fatal if swallowed |
H301 | Toxic if swallowed |
H302 | Harmful if swallowed |
H303 | May be harmful if swallowed |
H304 | May be fatal if swallowed and enters airways |
H305 | May be harmful if swallowed and enters airways |
H310 | Fatal in contact with skin |
H311 | Toxic in contact with skin |
H312 | Harmful in contact with skin |
H313 | May be harmful in contact with skin |
H314 | Causes severe skin burns and eye damage |
H315 | Causes skin irritation |
H316 | Causes mild skin irritation |
H317 | May cause an allergic skin reaction |
H318 | Causes serious eye damage |
H319 | Causes serious eye irritation |
H320 | Causes eye irritation |
H330 | Fatal if inhaled |
H331 | Toxic if inhaled |
H332 | Harmful if inhaled |
H333 | May be harmful if inhaled |
H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled |
H335 | May cause respiratory irritation |
H336 | May cause drowsiness or dizziness |
H340 | May cause genetic defects |
H341 | Suspected of causing genetic defects |
H350 | May cause cancer |
H351 | Suspected of causing cancer |
H360 | May damage fertility or the unborn child |
H361 | Suspected of damaging fertility or the unborn child |
H361d | Suspected of damaging the unborn child |
H362 | May cause harm to breast-fed children |
H370 | Causes damage to organs |
H371 | May cause damage to organs |
H372 | Causes damage to organs through prolonged or repeated exposure |
H373 | May cause damage to organs through prolonged or repeated exposure |
Environmental hazards | |
Code | Phrase |
H400 | Very toxic to aquatic life |
H401 | Toxic to aquatic life |
H402 | Harmful to aquatic life |
H410 | Very toxic to aquatic life with long-lasting effects |
H411 | Toxic to aquatic life with long-lasting effects |
H412 | Harmful to aquatic life with long-lasting effects |
H413 | May cause long-lasting harmful effects to aquatic life |
H420 | Harms public health and the environment by destroying ozone in the upper atmosphere |
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