A0641912
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
| Pack Size | Price | Stock | Quantity |
| 5G | RMB28.80 | In Stock |
|
| 25G | RMB82.40 | In Stock |
|
| 100G | RMB248.00 | In Stock |
|
| 250G | RMB635.20 | In Stock |
|
| 500g | RMB912.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
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) |
| 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 | 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 |
| 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 | Yes |
| HazardClass | 4.1 |
| HS Code | 29270000 |
| Toxicity | LD50 ipr-mus: 666 mg/kg 85JCAE -,922,86 |
