4,4'-Azobis(4-cyanovaleric acid)
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
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-24 17:21:45
What is 4,4'-Azobis(4-cyanovaleric acid)?
Chemical properties
white crystalline powder
The Uses of 4,4'-Azobis(4-cyanovaleric acid)
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.
The Uses of 4,4'-Azobis(4-cyanovaleric acid)
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.
The Uses of 4,4'-Azobis(4-cyanovaleric acid)
4,4′-Azobis(4-cyanovaleric acid) has been used in the preparation of polystyrene particles by polymerizing styrene in ethyl alcohol.
What are the applications of Application
4,4′-Azobis(4-cyanovaleric acid) is an azo initiator used in radical polymerization processes
Hazard
Toxic.
Flammability and Explosibility
Not classified
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.
Properties of 4,4'-Azobis(4-cyanovaleric acid)
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 |
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) |
Safety information for 4,4'-Azobis(4-cyanovaleric acid)
Signal word | Danger |
Pictogram(s) |
Flame Flammables GHS02 |
GHS Hazard Statements |
H242:Self-reactive substances and mixtures; and Organic peroxides |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P234:Keep only in original container. P235:Keep cool. P240:Ground/bond container and receiving equipment. P370+P378:In case of fire: Use … for extinction. P403:Store in a well-ventilated place. |
Computed Descriptors for 4,4'-Azobis(4-cyanovaleric acid)
InChIKey | VFXXTYGQYWRHJP-FOCLMDBBSA-N |
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