4,4'-Azobis(4-cyanovaleric acid) , 98%, containing about 20%of water , 2638-94-0

Synonym(s):
4,4′-Azobis(4-cyanopentanoic acid);ABCVA;ACVA

CAS NO.：2638-94-0

Empirical Formula: C12H16N4O4

Molecular Weight: 280.28

MDL number: MFCD00002799

EINECS: 220-135-0

PRODUCT Properties

• Melting point: 118-125 °C (dec.) (lit.)
• Boiling point: 423°C (rough estimate)
• Density: 1.2464 (rough estimate)
• refractive index: 1.6081 (estimate)
• storage temp.: 2-8°C
• solubility: DMSO (Slightly), Methanol (Slightly)
• pka: 3.98±0.10(Predicted)
• form: Solid
• color: White
• Water Solubility: Soluble in water.
• Sensitive: Light Sensitive
• BRN: 1729856
• InChI: 1S/C12H16N4O4/c1-11(7-13,5-3-9(17)18)15-16-12(2,8-14)6-4-10(19)20/h3-6H2,1-2H3,(H,17,18)(H,19,20)/b16-15+
• InChIKey: VFXXTYGQYWRHJP-FOCLMDBBSA-N
• SMILES: CC(CCC(O)=O)(\N=N\C(C)(CCC(O)=O)C#N)C#N
• LogP: 0.8 at 23℃
• CAS DataBase Reference: 2638-94-0(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-Azo-bis(4-cyanopentanoic acid)(2638-94-0)
• EPA Substance Registry System: 4,4'-Azobis(4-cyanovaleric acid) (2638-94-0)

Description and Uses

4,4′-Azobis(4-cyanovaleric acid) has been used in the preparation of polystyrene particles by polymerizing styrene in ethyl alcohol.

Safety

• Symbol(GHS): GHS02
• Signal word: Danger
• Hazard statements: H242
• Precautionary statements: P210-P234-P235-P240-P370+P378-P403
• PPE: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
• Hazard Codes: F
• Risk Statements: 11
• Safety Statements: 15-16-22-24/25-36
• RIDADR: UN 1325 4.1/PG 2
• WGK Germany: 2
• RTECS: YV6190500
• F: 4.4-8
• TSCA: TSCA listed
• HazardClass: 4.1
• HS Code: 29270000
• Storage Class: 5.2 - Organic peroxides and self-reacting hazardous materials
• Hazard Classifications: Self-react. D
• Toxicity: LD50 ipr-mus: 666 mg/kg 85JCAE -,922,86
• REACH Registrations: Active
• Limited Quantities: 1.0 Kg (2.2 lbs)
• Excepted Quantities: Not Permitted as Excepted Quantity