Structure of 4-Nitrobenzaldehyde
CAS No.: 555-16-8
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Design and synthesis of imidazo[1,2-a]pyridine-chalcone conjugates as antikinetoplastid agents
Agarwal, Devesh S. ; Beteck, Richard M. ; Ilbeigi, Kayhan ; Caljon, Guy ; Legoabe, Lesetja J. ;
Abstract: A library of imidazo[1,2-a]pyridine-appended chalcones were synthesized and characterized using 1H NMR,13C NMR and HRMS. The synthesized analogs were screened for their antikinetoplastid activity against Trypanosoma cruzi, Trypanosoma brucei brucei, Trypanosoma brucei rhodesiense and Leishmania infantum. The analogs were also tested for their cytotoxicity activity against human lung fibroblasts and primary mouse macrophages. Among all screened derivatives, (E)-N-(4-(3-(2-chlorophenyl)acryloyl)phenyl)imidazo[1,2-a]pyridine-2-carboxamide was found to be the most active against T. cruzi and T. b. brucei exhibiting IC50 values of 8.5 and 1.35 μM, resp. Against T. b. rhodesiense, (E)-N-(4-(3-(4-bromophenyl)acryloyl)phenyl)imidazo[1,2-a]pyridine-2-carboxamide was found to be the most active with an IC50 value of 1.13 μM. All synthesized active analogs were found to be non-cytotoxic against MRC-5 and PMM with selectivity indexes of up to more than 50.
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Keywords: antikinetoplastid ; chalcone ; drug likeliness properties ; imidazo[1,2-a]pyridine ; neglected tropical diseases (NTDs) ; Trypanosoma brucei brucei ; Trypanosoma brucei rhodesiense
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Are β-Lactones Involved in Carbon-Based Olefination Reactions?
Jan Nowak ; Michał Tryniszewski ; Michał Barbasiewicz ;
Abstract: Heteroatom-based olefinating reagents (e.g., organic phosphonates, sulfonates, etc.) are used to transform carbonyl compounds into alkenes, and their mechanism of action involves aldol-type addition, cyclization, and fragmentation of four-membered ring intermediates. We have developed an analogous process using ethyl 1,1,1,3,3,3-hexafluoroisopropyl methylmalonate, which converts electrophilic aryl aldehydes into α-methylcinnamates in up to 70% yield. The reaction plausibly proceeds through the formation of β-lactone that spontaneously decarboxylates under the reaction conditions. The results shed light on the Knoevenagel–Doebner olefination, for which decarboxylative anti-fragmentation of aldol-type adducts is usually considered.
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Keywords: olefination ; carbonyl compounds ; reaction mechanism ; lactones ; malonates ; Knoevenagel ; Doebner reaction
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Jang, Mingyeong ; Lim, Taeho ; Park, Byoung Yong ; Han, Min Su ;
Abstract: In this study, we developed a metal-free and highly chemoselective method for the reduction of aromatic nitro compounds. This reduction was performed using tetrahydroxydiboron [B2(OH)4] as the reductant and 4,4'-bipyridine as the organocatalyst and could be completed within 5 min at room temperature. Under optimal conditions, nitroarenes with sensitive functional groups, such as vinyl, ethynyl, carbonyl, and halogen, were converted into the corresponding anilines with excellent selectivity while avoiding the undesirable reduction of the sensitive functional groups.
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Purchased from AmBeed: 607-35-2 ; 578-66-5 ; 613-50-3 ; 100-19-6 ; 579-71-5 ; 3034-94-4 ; 5683-43-2 ; 99-92-3 ; 13534-97-9 ; 5676-60-8 ; 5470-18-8 ; 619-45-4 ; 553-26-4 ; 580-15-4 ; 611-34-7 ; 619-72-7 ; 100-13-0 ; 540-37-4 ; 1849-25-8 ; 4487-59-6 ; 555-16-8 ; 6298-19-7 ; 556-08-1 ; 953-26-4 ; 54060-30-9 ; 62-23-7 ; 607-34-1 ; 3867-18-3 ; 873-74-5 ; 3544-24-9 ; 94-52-0 ; 1520-21-4 ; 5470-34-8 ; 619-50-1 ; 586-39-0 ; 934-22-5 ; 402-54-0 ; 15411-43-5 ; 455-14-1 ; 17763-80-3 ; 3085-54-9 ; 1942-30-9 ; 1694-20-8 ; 6305-66-4 ; 41656-75-1 ; 6393-17-5 ; 4309-66-4
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Nitrothiazole-Thiazolidinone Hybrids: Synthesis and in Vitro Antimicrobial Evaluation
Dylan Hart ; Lesetja J. Legoabe ; Omobolanle J. Jesumoroti ; Audrey Jordaan ; Digby F. Warner ; Rebecca Steventon , et al.
Abstract: Herein we report the synthesis of novel compounds inspired by the antimicrobial activities of nitroazole and thiazolidin-4-one based compounds reported in the literature. Target compounds were investigated in vitro for antitubercular, antibacterial, antifungal, and overt cell toxicity properties. All compounds exhibited potent antitubercular activity. Most compounds exhibited low micromolar activity against S. aureus and C. albicans with no overt cell toxicity against HEK-293 cells nor haemolysis against human red blood cells. Notably, compound 3b exhibited low to sub-micromolar activities against Mtb, MRSA, and C. albicans. 3b showed superior activity (0.25 μg/ml) against MRSA compared to vancomycin (1 μg/ml).
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CAS No. : | 555-16-8 |
Formula : | C7H5NO3 |
M.W : | 151.12 |
SMILES Code : | O=CC1=CC=C([N+]([O-])=O)C=C1 |
MDL No. : | MFCD00007346 |
InChI Key : | BXRFQSNOROATLV-UHFFFAOYSA-N |
Pubchem ID : | 541 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H317-H319-H412 |
Precautionary Statements: | P501-P273-P264-P280-P337+P313-P305+P351+P338-P302+P352-P332+P313-P362 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 40.65 |
TPSA ? Topological Polar Surface Area: Calculated from |
62.89 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.99 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.56 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.41 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.26 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.18 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.81 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.03 |
Solubility | 1.41 mg/ml ; 0.0093 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.49 |
Solubility | 0.488 mg/ml ; 0.00323 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.71 |
Solubility | 2.95 mg/ml ; 0.0195 mol/l |
Class? Solubility class: Log S scale |
Soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-6.11 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
3.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.32 |
* 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 |
---|---|---|
90% | With sodium tetrahydroborate; acetic acid In chloroform at 0 - 20℃; for 13 h; | General procedure: AcOH (100percent) (140 mL, 2.44 ml) was added over 1 h to a flask containing stirred NaBH4 (20.0 g, 0.53 ml) and CHCl3 (220 mL) at 0-5 °. The resulting mixture was stirred at 0-5 ° for 1.5 h and 1-methylpiperazine (1) (28.0 ml, 0.25 ml) and a solution of methyl 4-formylbenzoate (2a) (43.4 g, 0.26 ml) in CHCl3 (60 mL) were added. The resulting mixture was stirred at 0-5 ° for 1 h and then for 12 h at rt. the mixture was treated with H2O (150 mL) and Na2CO3 until pH 8.0-9.0. The aqueous phase was extracted with EtOAc (2 .x. 100 ml) then both organic layers were combined, washed with H2O (1 .x. 100 ml), and dried over anhydrous Na2SO4. Filtration and evaporation of the solvents gave methyl 4-[(4-methylpiperazin-1-yl)methyl]benzoate (4a): yellowish oil; yield: 61.6 g, 99percent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sulfuric acid; In acetic acid; at 20℃; | (3E,5E)-l-methyl-3,5-bis[(4-nitrophenyl)methylidene]azepan-4-one (compound No. 1563). N-methylazepan-4-one HCI (50 mg, 0.30 mmol) and 4-nitrobenzaldehyde were dissolved in acetic acid (5 mL) and stirred for 10 min, then cone. H2S04 (50 mu?) was added slowly and the mixture was stirred at rt overnight. More concentrated H2S04 (100 mu?) was added and stirring was continued at rt for 6 h. Additional 500 mu? of concentrated H2S04 was added and the reaction stirred overnight. A further 350 mu? of cone. H2S04 was added and stirring continued for additional 5 h, during which period further H2S04 was added in two portions (500 mu? and 250 mu?). Then water ( 3 x reaction volume) was added and the mixture was stirred until rt was reached. The reaction mixture was extracted with ethyl acetate (3 x reaction volume). The phases were separated and the organic phase concentrated to yield a dark yellow viscous oil. The crude product was purified by preparative HPLC, (XBridge column; eluents 50 mM ammonium carbonate buffer at pH 10 and methanol) giving the title product as a yellow solid (26.3 mg). LCMS System A: Rt 1.87 m/z [M+H]+ 394.1, System B: Rt 2.57. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
67% | General procedure: To a solution of the corresponding aromatic aldehyde (0.27 mmol) in EtOH (0.5 mL) was added urea (0.54 mmol) and CuSO4·5H2O (0.054 mmol). The mixture was stirred at 80 °C for 15 minutes before tetrahydrocurcumin or tetrahydrodemethoxycurcumin (0.27 mmol) was added. The reaction mixture was continued stirring for 24 hours and quenched with water (2 mL). The solution was washed with water (10 mL) and extracted with EtOAc (415 mL). The combined organic phases were washed with brine, dried over MgSO4 and concentrated under reduced pressure to afford crude product as a yellow brown oil. Purification was accomplished by column chromatography eluting with 60percent-75percent EtOAc/hexane to furnish compounds 8-17. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71.4% | In ethanol;Reflux; | General procedure: solutionof acid hydrazide (0.01 mol) and appropriate benzaldehyde/acetophenone (0.01 mol) in ethanol was refluxed for 5-6 h. The precipitated title compounds were then filtered off, washed with water and recrystallized from ethanol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With acetic acid; In ethanol; at 80℃; for 0.166667h;Microwave irradiation; | General procedure: A mixture of compound 2 (0.0549 g, 0.0003 mol), the appropriate aromatic aldehyde (0.00033 mol) and glacial acetic acid (0.1 mL) in ethanol (5 mL) was heated under microwave (20 W) at 80 °C for 10 min. On cooling, the precipitated solid was collected by filtration, washed with water, dried and crystallized to give compounds 3-29. |
In ethanol; at 70 - 80℃; for 3h; | General procedure: The mixture of <strong>[78364-55-3]6-fluoro-2-hydrazinylbenzo[d]thiazole</strong> (2) (0.01 mol) and benzalde-hyde/substituted benzaldehyde (0.01 mol) was reuxed in ethanol (15 ml) at 70?80 °C for 3 h. The separated product obtained was ltered off, washed withdistilled water and recrystallized from methanol to give the correspondinghydrazone. The product obtained was further dissolved in acetic acid (20 ml) atroom temperature followed by the addition of sodium acetate (0.5 g). Bromine(2 mmol) in acetic acid (10 ml) was added dropwise to the reuxing reactionmixture. After 1 h, the mixture was poured onto crushed ice (100 g). The precipitateobtained was ltered off and crystallized from ethanol-dimethylformamide (1:1) togive crystals of (3a?3t). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6%; 35% | To a solution of tetrahydrocurcumin (0.134 mmol, 50mg), p-TsOH?H2O (0.027 mmol, 5.11 mg), and 4 A molecular sieves (72 mg) in EtOH (0.34 mL) wasadded p-nitrobenzaldehyde (0.10 mmol, 15.22 mg). The mixture was stirred at 80 °C for 20 min beforeammonium acetate (0.134 mmol, 10.33 mg) was added. The reaction mixture was stirred at 80 °C for 24 hbefore being quenched with water (5 mL) and extracted with EtOAc. The combined organic phases werewashed with brine, dried over Na2SO4 and concentrated under reduced pressure to afford the crude productas a yellow oil. Purification was accomplished by column chromatography eluting with 75percentEtOAc/Hexane to give 1b as a yellow waxy solid. Yield: 6percent; IR (max, cm-1): 3328, 2928, 1600, 1513,1428, 1344, 1032; 1H NMR (400 MHz, CDCl3) delta: 7.97 (2H, d, J = 8.5 Hz, ArH), 7.07 (2H, d, J = 8.5 Hz,ArH), 6.80 (2H, d, J = 8.3 Hz, ArH), 6.75 (2H, d, J = 7.7 Hz, ArH), 6.60-6.50 (8H, m, ArH), 5.33 (4H, brs, 4×ArOH), 5.27 (1H, br s, NH), 5.14 (1H, s, CH), 3.76 (6H, s, 2×OCH3), 3.75 (6H, s, 2×OCH3),2.90-2.55 (16H, m, 8×CH2); 13C NMR (100 MHz, CDCl3) delta: 198.9 (2×CO), 157.9 (CArNO2), 146.9(2×CArOCH3), 146.9 (2×CCO), 146.6 (2×CArOCH3), 146.5 (CArCH), 144.6 (2×CArOH), 144.2 (2×CArOH),133.2 (2×CArCH2), 132.0 (2×CArCH2), 128.0 (2×CHAr), 123.9 (2×CHAr), 121.0 (4×CHAr), 114.7 (2×CHAr),114.5 (2×CHAr), 112.1 (2×CNH), 111.3 (4×CHAr), 56.1 (2×OCH3), 56.0 (2×OCH3), 43.3 (2×CH2), 39.8(CH), 34.7 (2×CH2), 34.1 (2×CH2), 30.5 (2×CH2). ESMS m/z: 857.8 [M-H]- (100); HRMS: Calcd. forC49H49N2O12: 857.3290, found 857.3255. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | With chitosan; In neat (no solvent); at 75℃; for 0.0333333h;Microwave irradiation; Green chemistry;Catalytic behavior; | General procedure: An equimolar mixture of <strong>[54396-44-0]2-methyl-3-(trifluoromethyl)aniline</strong> (0.351 g, 0.002 mol), corresponding aldehyde (0.002 mol), dimethyl phosphite (0.18 ml, 0.002 mol) and chitosan catalyst (10 molpercent) were taken in a reaction glass tube, degassed for 10 min and microwave irradiated at 180 W for 2 min at 60 °C. The progress of the reaction was monitored by TLC using petroleum ether and ethyl acetate (3:7) as solvent. After completion of the reaction, the mixture was diluted with ethyl acetate, washed with water (2 x 15 ml) followed by brine (1 x 10 ml), dried over Na2SO4 and evaporated to dryness. The crude mass was purified by column chromatography on silicagel (100-200 mesh) by using a 7:3 mixture of ethyl acetate in hexane to afford the pure alpha-aminophosphonates. Dimethyl (2-methyl-3-(trifluoromethyl) phenylamino)(4-nitrophenyl)methylphosphonate (4a) Yellow solid; Yield: 98percent. M.p.132?134 °C. IR (cm-1): m 3420 (NH), 2851 (C-H), 1000 (C-F), 1232 (P=O). 1H-NMR (DMSO-d6): d 8.23 (d, J = 8.8 Hz, 2H, Ar-H), 7.86-7.89 (m, 2H, Ar-H), 7.11 (t, J = 16.0 Hz, 1H, Ar?H), 7.00 (d, J = 8.0 Hz, 1H, Ar?H), 6.81 (d, J = 8.0 Hz, 1H, Ar?H); 5.92 (s, 1H, NH), 5.58 (d, J = 23.2 Hz, 1H, P-C-H), 3.76 (d, J = 10.8 Hz, 3H, P-OCH3), 3.57 (d, J = 10.4 Hz, 3H, P-OCH3), 2.35 (s, 3H, CH3). 13C-NMR (CDCl3): d 147.82(C6),143.90(C15), 143.06(C11), 128.47(C17 & C13), 126.50(C4), 123.61(C14 & C16),121.36(C18), 116.21(C1), 114.54(C5), 56.44(C9), 54.77(C23), 53.94(C25), 12.32(C7). 31P-NMR (CDCl3): d 25.24. 19F-NMR (CDCl3): d -59.86. MS (ESI): m/z419[M + H]+, 441[M + Na]+ Anal. Calcd. for C17H18F3N2O5P: C, 48.81; H, 4.34; N, 6.70. Found C, 48.03; H, 4.74; N, 6.48. |
Tags: 555-16-8 synthesis path| 555-16-8 SDS| 555-16-8 COA| 555-16-8 purity| 555-16-8 application| 555-16-8 NMR| 555-16-8 COA| 555-16-8 structure
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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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