ChemicalBook--->CAS DataBase List--->2638-94-0

2638-94-0

2638-94-0 Structure

2638-94-0 Structure
IdentificationMore
[Name]

4,4'-Azobis(4-cyanovaleric acid)
[CAS]

2638-94-0
[Synonyms]

4,4'-AZOBIS(4-CYANOPENTANOIC ACID)
4,4'-AZOBIS(4-CYANOVALERIC ACID)
ACVA
LABOTEST-BB LT00645560
4,4’-Azobis-(4-cyanopentanoic
4,4’-azobis(4-cyano-pentanoicaci
4,4’-azobis(4-cyano-valericaci
4,4’-azobis[4-cyano-pentanoicaci
Azobis(cyanovaleric acid)
azobis(cyanovalericacid)
cis-4,4'-Azobis(4-cyanovaleric acid)
Kyselina 4,4'-azo-bis-(4-kyanvalerova)
kyselina4,4’-azo-bis-(4-kyanvalerova)
Pentanoic acid, 4,4'-azobis[4-cyano-
Valeric acid, 4,4'-azobis(4-cyano-
4,4-dicyano-4,4-azodivaleric acid
Azocarboxy
4,4'-AZOBIS(4-CYANOPENTANOIC AC.), MOI-S TENED W. WATER ~15%
4,4'-AZOBIS(4-CYANOVALERIC ACID), 75+%, REMAINDER WATER
4,4'-AZOBIS(4-CYANO VALERIC ACID(ACVA)
[EINECS(EC#)]

220-135-0
[Molecular Formula]

C12H16N4O4
[MDL Number]

MFCD00002799
[Molecular Weight]

280.28
[MOL File]

2638-94-0.mol
Chemical PropertiesBack Directory
[Appearance]

white to slightly yellow moist crystals, powder
[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)
[form ]

Solid
[pka]

3.98±0.10(Predicted)
[color ]

White
[Water Solubility ]

Soluble in water.
[Sensitive ]

Light Sensitive
[BRN ]

1729856
[InChIKey]

VFXXTYGQYWRHJP-FOCLMDBBSA-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]

2638-94-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F
[Risk Statements ]

R11:Highly Flammable.
[Safety Statements ]

S15:Keep away from heat .
S16:Keep away from sources of ignition-No smoking .
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 1325 4.1/PG 2
[WGK Germany ]

2
[RTECS ]

YV6190500
[F ]

4.4-8
[TSCA ]

Yes
[HazardClass ]

4.1
[HS Code ]

29270000
[Toxicity]

LD50 ipr-mus: 666 mg/kg 85JCAE -,922,86
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Chlorine-->Hydrazinium hydroxide solution-->Sodium cyanide-->Levulinic acid
[Preparation Products]

4-Cyano-4-(dodecylsulfanylthiocarbonyl)sulfanylpentanoic acid, min. 97%
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

ACVA(2638-94-0).msds
Hazard InformationBack Directory
[Hazard]

Toxic.
[Chemical Properties]

white crystalline powder
[Uses]

4,4’Azobis(4-cyanovaleric Acid) is a water soluble azo initiator usded in radical polymerization process of vinyls, acylamides, styrenes as well as other polymers.
[Uses]

4,4'-Azobis(4-cyanovaleric acid) is used as a free radical imitator in polymer synthesis such as polyvinyl chloride, polyacrylonitrile, polyvinyl alcohol and synthetic fibers. It is utilized for both heterogeneous and homogenous free-radical polymerizations, and as an initiator in reversible addition-fragmentation chain transfer polymerization (RAFT). It is also used as a blowing agent for plastics and elastomers.
[Flammability and Explosibility]

Notclassified
[Biochem/physiol Actions]

4,4′-azobis(4-cyanovaleric acid) is an azo-initiator that induces lipid peroxidation of sunflower oil.
[Safety Profile]

Moderately toxic byintraperitoneal route. When heated to decomposition itemits toxic vapors of NOx.
Spectrum DetailBack Directory
[Spectrum Detail]

4,4'-Azobis(4-cyanovaleric acid)(2638-94-0)MS
4,4'-Azobis(4-cyanovaleric acid)(2638-94-0)IR1
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

2638-94-0(sigmaaldrich)
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