Name | 4,4'-Azobis(4-cyanovaleric acid) |
Synonyms | V501 ACVA 4,4'-Azobis-(4-cyanopentanoic 4,4azobis(4-cyanovaleric acid) 4,4'-azobis(4-cyano-valericaci 4'-Azobis(4-cyanovaleric acid) 4,4-Azobis-4-Cyanovaleric Acid 4,4'-azobis(4-cyano-pentanoicaci 4,4'-azobis[4-cyano-pentanoicaci 4,4'-Azobis(4-cyanovaleric acid) 4,4-dicyano-4,4-azodivaleric acid 4,4-Azobis-(4-cyanopentanoic acid) 4,4'-(E)-diazene-1,2-diylbis(4-cyanopentanoic acid) (E)-4,4'-(diazene-1,2-diyl)bis(4-cyanopentanoic acid) (4S,4'S)-4,4'-(E)-diazene-1,2-diylbis(4-cyanopentanoate) (4S,4'R)-4,4'-(E)-diazene-1,2-diylbis(4-cyanopentanoate) (4R,4'R)-4,4'-(E)-diazene-1,2-diylbis(4-cyanopentanoate) |
CAS | 2638-94-0 |
EINECS | 220-135-0 |
InChI | InChI=1/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)/p-2/b16-15+/t11-,12-/m1/s1 |
InChIKey | VFXXTYGQYWRHJP-FOCLMDBBSA-N |
Molecular Formula | C12H16N4O4 |
Molar Mass | 280.28 |
Density | 1.2464 (rough estimate) |
Melting Point | 118-125 °C (dec.) (lit.) |
Boling Point | 423°C (rough estimate) |
Flash Point | 258.3°C |
Water Solubility | Soluble in water. |
Vapor Presure | 1.66E-11mmHg at 25°C |
BRN | 1729856 |
pKa | 3.98±0.10(Predicted) |
Storage Condition | 2-8°C |
Sensitive | Light Sensitive |
Refractive Index | 1.6081 (estimate) |
Use | Used as an initiator |
Hazard Symbols | F - Flammable |
Risk Codes | 11 - Highly Flammable |
Safety Description | S15 - Keep away from heat. S16 - Keep away from sources of ignition. S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. |
UN IDs | UN 1325 4.1/PG 2 |
WGK Germany | 2 |
RTECS | YV6190500 |
FLUKA BRAND F CODES | 4.4-8 |
TSCA | Yes |
HS Code | 29270000 |
Hazard Class | 4.1 |
Toxicity | LD50 ipr-mus: 666 mg/kg 85JCAE -,922,86 |
LogP | 0.8 at 23℃ |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
application | is mainly used as initiator for polymers such as polyvinyl chloride, polyacrylonitrile, polyvinyl alcohol, synthetic optical fiber, etc. it can also be used as foaming agent for plastics and synthetic rubber. Used as initiator Free radical initiator for polymer synthesis. |
category | toxic substances |
toxicity classification | poisoning |
acute toxicity | abdominal cavity-mouse LD50: 666 mg/kg |
flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxide smoke |
storage and transportation characteristics | ventilation and low temperature drying |
fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |