30757-50-7|4-Hydroxyphthalonitrile| Ambeed

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Quality Control of [ 30757-50-7 ] Purity: 95% SDS Specification

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Product Details of [ 30757-50-7 ]

CAS No. :	30757-50-7
Formula :	C₈H₄N₂O
M.W :	144.13
SMILES Code :	OC1=CC=C(C#N)C(C#N)=C1
MDL No. :	MFCD00191653
InChI Key :	FTVOPKROFUTOKY-UHFFFAOYSA-N
Pubchem ID :	3875765

Safety of [ 30757-50-7 ]

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H315-H319-H335
Precautionary Statements:	P261-P305+P351+P338

Computational Chemistry of [ 30757-50-7 ] Show Less

Physicochemical Properties

Num. heavy atoms	11
Num. arom. heavy atoms	6
Fraction Csp3	0.0
Num. rotatable bonds	0
Num. H-bond acceptors	3.0
Num. H-bond donors	1.0
Molar Refractivity	37.9
TPSA ? Topological Polar Surface Area: Calculated from Ertl P. et al. 2000 J. Med. Chem.	67.81 Å²

Lipophilicity

Log P_o/w (iLOGP)? iLOGP: in-house physics-based method implemented from Daina A et al. 2014 J. Chem. Inf. Model.	1.01
Log P_o/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry	1.15
Log P_o/w (WLOGP)? WLOGP: Atomistic method implemented from Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.	1.14
Log P_o/w (MLOGP)? MLOGP: Topological method implemented from Moriguchi I. et al. 1992 Chem. Pharm. Bull. Moriguchi I. et al. 1994 Chem. Pharm. Bull. Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.	0.15
Log P_o/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com	1.29
Consensus Log P_o/w? Consensus Log P_o/w: Average of all five predictions	0.95

Water Solubility

Log S (ESOL):? ESOL: Topological method implemented from Delaney JS. 2004 J. Chem. Inf. Model.	-1.86
Solubility	1.98 mg/ml ; 0.0137 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Very soluble
Log S (Ali)? Ali: Topological method implemented from Ali J. et al. 2012 J. Chem. Inf. Model.	-2.17
Solubility	0.978 mg/ml ; 0.00678 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Soluble
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com	-1.97
Solubility	1.54 mg/ml ; 0.0107 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Soluble

Pharmacokinetics

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	No
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) and tested on 415 molecules (test set) 10-fold CV: ACC=0.72 / AUC=0.77 External: ACC=0.88 / AUC=0.94	No
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) and tested on 3000 molecules (test set) 10-fold CV: ACC=0.83 / AUC=0.90 External: ACC=0.84 / AUC=0.91	Yes
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) and tested on 3000 molecules (test set) 10-fold CV: ACC=0.80 / AUC=0.86 External: ACC=0.80 / AUC=0.87	No
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) and tested on 2075 molecules (test set) 10-fold CV: ACC=0.78 / AUC=0.85 External: ACC=0.71 / AUC=0.81	No
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) and tested on 1068 molecules (test set) 10-fold CV: ACC=0.79 / AUC=0.85 External: ACC=0.81 / AUC=0.87	No
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) and tested on 2579 molecules (test set) 10-fold CV: ACC=0.77 / AUC=0.85 External: ACC=0.78 / AUC=0.86	Yes
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from Potts RO and Guy RH. 1992 Pharm. Res.	-6.36 cm/s

Druglikeness

Lipinski? Lipinski (Pfizer) filter: implemented from Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev. MW ≤ 500 MLOGP ≤ 4.15 N or O ≤ 10 NH or OH ≤ 5	0.0
Ghose? Ghose filter: implemented from Ghose AK. et al. 1999 J. Comb. Chem. 160 ≤ MW ≤ 480 -0.4 ≤ WLOGP ≤ 5.6 40 ≤ MR ≤ 130 20 ≤ atoms ≤ 70	None
Veber? Veber (GSK) filter: implemented from Veber DF. et al. 2002 J. Med. Chem. Rotatable bonds ≤ 10 TPSA ≤ 140	0.0
Egan? Egan (Pharmacia) filter: implemented from Egan WJ. et al. 2000 J. Med. Chem. WLOGP ≤ 5.88 TPSA ≤ 131.6	0.0
Muegge? Muegge (Bayer) filter: implemented from Muegge I. et al. 2001 J. Med. Chem. 200 ≤ MW ≤ 600 -2 ≤ XLOGP ≤ 5 TPSA ≤ 150 Num. rings ≤ 7 Num. carbon > 4 Num. heteroatoms > 1 Num. rotatable bonds ≤ 15 H-bond acc. ≤ 10 H-bond don. ≤ 5	1.0
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat implemented from Martin YC. 2005 J. Med. Chem.	0.55

Medicinal Chemistry

PAINS? Pan Assay Interference Structures: implemented from Baell JB. & Holloway GA. 2010 J. Med. Chem.	0.0 alert
Brenk? Structural Alert: implemented from Brenk R. et al. 2008 ChemMedChem	0.0 alert: heavy_metal
Leadlikeness? Leadlikeness: implemented from Teague SJ. 1999 Angew. Chem. Int. Ed. 250 ≤ MW ≤ 350 XLOGP ≤ 3.5 Num. rotatable bonds ≤ 7	No; 1 violation:MW<1.0
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties, trained on 12'782'590 molecules and tested on 40 external molecules (r² = 0.94)	1.25

Application In Synthesis of [ 30757-50-7 ]

* 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.

Downstream synthetic route of [ 30757-50-7 ]

[ 30757-50-7 ] Synthesis Path-Downstream 1~36

1
[ 78-83-1 ]
[ 31643-49-9 ]
[ 30757-50-7 ]
[ 96917-81-6 ]

References: [1]Canadian Journal of Chemistry,1985,vol. 63,p. 623 - 631.

2
[ 77-84-9 ]
[ 31643-49-9 ]
[ 30757-50-7 ]
[ 93673-02-0 ]

References: [1]Canadian Journal of Chemistry,1985,vol. 63,p. 623 - 631.

3
[ 31643-49-9 ]
[ 30757-50-7 ]

Yield	Reaction Conditions	Operation in experiment
85%		1) A three-necked flask was charged with 103.9 g (600 mmo 1) of 4-nitro phthalonitrile, 800 mL of dimethyl sulfoxideAfter the powder was dissolved, 91.0 g (660 mmol) of potassium carbonate and 46.0 g (660 mmol) of sodium nitrite were added and heated at reflux to 160 C for 5 hours. After cooling to room temperature, the mixture was poured into a large amount of water, A yellow solid was precipitated and evacuated at 110 C and dried in vacuo to give 73.3 g of 4-hydroxy phthalonitrile in 85% yield.

References: [1]RSC Advances,2015,vol. 5,p. 79207 - 79215.
[2]Patent: CN104910113,2017,B .Location in patent: Paragraph 0041-0042; 0045-0046.
[3]Synthetic Communications,1989,vol. 19,p. 3231 - 3240.
[4]Russian Journal of General Chemistry,2011,vol. 81,p. 768 - 772.
[5]Russian Chemical Bulletin,2021,vol. 70,p. 2405 - 2415.
Izv. Akad. Nauk, Ser. Khim.,2021,p. 2405 - 2415.

4
[ 31643-49-9 ]
[ 30757-50-7 ]
[ 23277-29-4 ]
2-cyano-4-nitrobenzoic acid [ No CAS ]

References: [1]Synthetic Communications,1989,vol. 19,p. 3231 - 3240.

5
[ 615-56-5 ]
[ 544-92-3 ]
[ 30757-50-7 ]

References: [1]Molecular Crystals and Liquid Crystals (1969-1991),1983,vol. 82,p. 331 - 338.

6
[ 109-87-5 ]
[ 30757-50-7 ]
4-methoxymethoxyphthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1994,vol. 72,p. 1990 - 1998.

7
[ 462-95-3 ]
[ 30757-50-7 ]
4-ethoxymethoxyphthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1994,vol. 72,p. 1990 - 1998.

8
[ 109-65-9 ]
[ 30757-50-7 ]
3,5-dibromo-4-hydroxyphthalonitrile [ No CAS ]
3-bromo-4-butoxyphthalonitrile [ No CAS ]
4-bromo-5-butoxyphthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

9
[ 30757-50-7 ]
4-bromo-5-hydroxyphthalonitrile [ No CAS ]
3-bromo-4-hydroxyphthalonitrile [ No CAS ]
3,5-dibromo-4-hydroxyphthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.
[2]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

10
[ 30757-50-7 ]
4-hydroxy-5-iodophthalonitrile [ No CAS ]
4-hydroxy-3,5-diiodophthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

11
[ 30757-50-7 ]
[ 168299-95-4 ]
4-hydroxy-3-nitrophthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

12
[ 3970-21-6 ]
[ 30757-50-7 ]
4-(2-methoxy-ethoxymethoxy)-phthalonitrile [ No CAS ]

References: [1]Chemical Communications,1999,p. 419 - 420.

14
[ 112-16-3 ]
[ 30757-50-7 ]
dodecanoic acid 3,4-dicyano-phenyl ester [ No CAS ]

References: [1]Russian Journal of General Chemistry,2002,vol. 72,p. 1636 - 1639.

15
[ 30757-50-7 ]
[ 67590-11-8 ]
4-undecyloxy-benzoic acid 3,4-dicyano-phenyl ester [ No CAS ]

References: [1]Russian Journal of General Chemistry,2004,vol. 74,p. 295 - 299.
[2]Russian Journal of General Chemistry,2011,vol. 81,p. 768 - 772.

16
[ 108-22-5 ]
[ 30757-50-7 ]
acetic acid 3,4-dicyano-phenyl ester [ No CAS ]

References: [1]Tetrahedron Letters,2006,vol. 47,p. 5345 - 5349.

17
[ 30757-50-7 ]
(NC₄C₄H₂)4N₄(OH)4H₄^(2-)*Al⁽³⁺⁾*Cl^(1-) [ No CAS ]

References: [1]Russian Journal of General Chemistry,2005,vol. 75,p. 1830 - 1839.

18
[ 30757-50-7 ]
(NC₄C₄H₂)4N₄(OH)4H₄^(2-)*In⁽³⁺⁾*Cl^(1-) [ No CAS ]

References: [1]Russian Journal of General Chemistry,2005,vol. 75,p. 1830 - 1839.

19
[ 30757-50-7 ]
(NC₄C₄H₂)4N₄(OH)4H₄^(2-)*Cr⁽³⁺⁾*Cl^(1-) [ No CAS ]

References: [1]Russian Journal of General Chemistry,2005,vol. 75,p. 1830 - 1839.

20
[ 30757-50-7 ]
(NC₄C₄H₂)4N₄(OH)4H₄^(2-)*Sn⁽⁴⁺⁾*2Cl^(1-) [ No CAS ]

References: [1]Russian Journal of General Chemistry,2005,vol. 75,p. 1830 - 1839.

21
[ 350793-49-6 ]
[ 30757-50-7 ]
2-(3,4-dicyanophenoxy)ethyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside [ No CAS ]

References: [1]Synthesis,2007,p. 2186 - 2192.

22
2-(tosyloxy)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside [ No CAS ]
[ 30757-50-7 ]
2-(3,4-dicyanophenoxy)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside [ No CAS ]

References: [1]Synthesis,2007,p. 2186 - 2192.

23
[ 86312-75-6 ]
[ 30757-50-7 ]

References: [1]Synthesis,2007,p. 2186 - 2192.

24
[ 30757-50-7 ]
4-methoxy-5-nitrophthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

25
[ 30757-50-7 ]
4-methoxy-3-nitrophthalonitrile [ No CAS ]

References: [1]Canadian Journal of Chemistry,1995,vol. 73,p. 435 - 443.

26
[ 13138-53-9 ]
[ 30757-50-7 ]

References: [1]Synthetic Communications,1989,vol. 19,p. 3231 - 3240.

27
1-(5-cyanobenzoxazol-2-yl)-2-methylpropyl bromide [ No CAS ]
[ 30757-50-7 ]
1-(5-cyanobenoxazol-2-yl)-1-(3,4-dicyanophenoxy)-2-methylpropane [ No CAS ]

References: [1]Patent: EP1180515,2002,A1 .Location in patent: Page 12.

28
2,5-trans-methylpiperazine [ No CAS ]
[ 30757-50-7 ]
trans-4-(2,5-Dimethylpiperazin-1-yl)phthalonitrile [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	With trifluorormethanesulfonic acid; triethylamine; In ethyl acetate; N,N-dimethyl-formamide; acetonitrile;	Reference Example 8 trans-4-(2,5-Dimethylpiperazin-1-yl)phthalonitrile A 1.52 g portion of <strong>[30757-50-7]4-hydroxyphthalonitrile</strong> was dissolved in 30.0 ml of acetonitrile, mixed with 2.1 ml of triethylamine and stirred at -10C. The reaction solution was mixed with 1.8 ml of anhydrous trifluoromethanesulfonic acid, stirred at 0C for 30 minutes and then warmed up to room temperature, mixed with 15 ml of DMF and stirred for 2 hours. After evaporation of the solvent under reduced pressure, the residue was mixed with ethyl acetate and washed with saturated aqueous sodium bicarbonate and then the organic layer was dried over sodium sulfate. After evaporation of the solvent under reduced pressure, the residue was dissolved in 20 ml of acetonitrile and mixed with 2.30 g of 2,5-trans-methylpiperazine, and the mixture was heated under reflux for 2 hours and then stirred overnight at room temperature. After evaporation of the solvent under reduced pressure, the residue was mixed with 100 ml of ethyl acetate, washed with saturated aqueous sodium bicarbonate and saturated brine and then dried over sodium sulfate. The title compound was obtained by evaporating the solvent under reduced pressure.

References: [1]Patent: EP1122242,2001,A1 .

29
[ 7787-87-3 ]
[ 30757-50-7 ]
[ 91-15-6 ]

Yield	Reaction Conditions	Operation in experiment
77.0%	With hydrogenchloride; potassium carbonate; In N,N-dimethyl-formamide;	Preparation Example 4 Preparation of Phthalonitrile : In 200 ml of N,N-dimethylformamide were dissolved with heating 20 g of <strong>[30757-50-7]4-hydroxyphthalonitrile</strong> and 10.55 g of potassium carbonate, to which 20 g of chloroethyl- trimethylsilane were added dropwise at 40C in the atmosphere of argon. Immediately after the addition, the mixture was stirred for 18 hours while maintaining the reaction temperature at 85-105C. The reaction vessel was then cooled to room temperature and 250 ml of dilute hydrochloric acid was added. The mixture was extracted with 1.2 liters of toluene. The organic layer was washed well with water and water was removed with magnesium sulfate. Thereafter, toluene was removed by distillation and the residue was purified with a toluene/silica gel column to obtain 24.6 g (yield: 77.0 %) of a compound having the formula (XVII) below.

References: [1]Patent: EP676299,1995,A1 .

30
[ 30757-50-7 ]
[ 152333-94-3 ]
4-(2-oxiranylmethoxy)phthalonitrile [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	With potassium carbonate; In acetonitrile;	(a) 4-(2-Oxiranylmethoxy)phthalonitrile A stirred suspension of <strong>[30757-50-7]4-hydroxyphthalonitrile</strong> (3.5 g; 24.3 mmol), K2CO3 (4.03 g; 29.2 mmol) and 2-[(3-nitrophenyl)sulfonyloxy]methyl}-oxirane (6.50 g; 25.0 mmol; see Example B above) in MeCN (170 mL) was refluxed for 1.5 h. The cooled reaction mixture was filtered, the filtrate concentrated and the solid residue recrystallized from IPA to give the sub-title compound.

References: [1]Patent: US6291475,2001,B1 .

31
[ 30757-50-7 ]
[ 55768-36-0 ]
[ 1122708-60-4 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.
[2]Russian Journal of General Chemistry,2011,vol. 81,p. 768 - 772.

32
[ 30757-50-7 ]
[ 50625-44-0 ]
[ 1122708-61-5 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.

33
[ 30757-50-7 ]
[ 122-04-3 ]
[ 1122708-69-3 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.

34
[ 30757-50-7 ]
[ 82052-56-0 ]
[ 1000062-52-1 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.
[2]Russian Journal of General Chemistry,2011,vol. 81,p. 768 - 772.

35
[ 30757-50-7 ]
[ 77477-90-8 ]
[ 1122708-62-6 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.
[2]Russian Journal of General Chemistry,2011,vol. 81,p. 768 - 772.

36
[ 30757-50-7 ]
[ 65-85-0 ]
[ 330675-38-2 ]

References: [1]Russian Journal of Organic Chemistry,2007,vol. 43,p. 1719 - 1725.

Historical Records

Technical Information

• Acidity of Phenols • Alkyl Halide Occurrence • Blaise Reaction • Catalytic Hydrogenation • Chan-Lam Coupling Reaction • Complex Metal Hydride Reductions • Electrophilic Substitution of the Phenol Aromatic Ring • Etherification Reaction of Phenolic Hydroxyl Group • Halogenation of Phenols • Hydride Reductions • Oxidation of Phenols • Pechmann Coumarin Synthesis • Preparation of Aldehydes and Ketones • Preparation of Amines • Reactions of Benzene and Substituted Benzenes • Reimer-Tiemann Reaction • Ritter Reaction • Thorpe-Ziegler Reaction

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[ 30757-50-7 ]

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Precautionary Statements-General
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Prevention
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P220	Keep/Store away from clothing/combustible materials.
P221	Take any precaution to avoid mixing with combustibles
P222	Do not allow contact with air.
P223	Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P230	Keep wetted
P231	Handle under inert gas.
P232	Protect from moisture.
P233	Keep container tightly closed.
P234	Keep only in original container.
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P240	Ground/bond container and receiving equipment.
P241	Use explosion-proof electrical/ventilating/lighting/equipment.
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P320
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P321
P322
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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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CAS No.: 30757-50-7

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