4,4'-Azobis(4-cyanovaleric acid), 98%, cont. ca 18% water

Description

CAS: 2638-94-0 | C12H16N4O4 | 280.284 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Soluble in water.

Notes
Light senstive. Incompatible with strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 2638-94-0
• Molecular Formula: C12H16N4O4
• Molecular Weight (g/mol): 280.284
• MDL Number: MFCD00002799
• InChI Key: VFXXTYGQYWRHJP-UHFFFAOYSA-N
• Synonym: 4,4'-azobis 4-cyanovaleric acid, azobis cyanovaleric acid, 4,4'-diazene-1,2-diyl bis 4-cyanopentanoic acid, 4,4'-azobis 4-cyanopentanoic acid, acva, 4,4-azobis 4-cyanovaleric acid, valeric acid, 4,4'-azobis 4-cyano, pentanoic acid, 4,4'-azobis 4-cyano, 4,4'-azobis 4-cyano valeric acid acva
• PubChem CID: 92938
• IUPAC Name: 4-[(4-carboxy-2-cyanobutan-2-yl)diazenyl]-4-cyanopentanoic acid
• SMILES: CC(CCC(=O)O)(C#N)N=NC(C)(CCC(=O)O)C#N

• Melting Point: 118°C to 125°C (decomposition)
• Linear Formula: HOCOCH₂CH₂C(CH₃)(CN)N=NC(CH₃)(CN)CH₂CH₂COOH
• UN Number: UN1325
• Beilstein: 1729856
• Solubility Information: Soluble in water.
• Quantity: 25 g
• Formula Weight: 280.28
• Sensitivity: Light sensitive
• Percent Purity: 98%
• Assay: contains ≈18% water
• Chemical Name or Material: 4,4'-Azobis(4-cyanovaleric acid)

Safety and Handling

Hazard Category	Danger
Hazard Statement	GHS H Statement H228-H302 Flammable solid. Harmful if swallowed.
Precautionary Statement	GHS P Statement P210-P280-P240-P241-P301+P312-P501a Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Dispose of contents/container in accordance with local/regional/national/international regulations.
DOTInformation	Transport Hazard Class: 4.1; Packing Group: II; Proper Shipping Name: FLAMMABLE SOLIDS, ORGANIC, N.O.S.
EINECSNumber	220-135-0
RTECSNumber	YV6190500
TSCA	Yes
Recommended Storage	Keep cold

SDS

RUO – Research Use Only