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  5. 4,4'-Azobis(4-cyanovaleric acid), 98%, cont. ca 18% water

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

Product Code. 15435136
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Product Code. 15435136 Supplier Thermo Scientific Alfa Aesar Supplier No. H59611.14
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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.
TRUSTED_SUSTAINABILITY

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

Specifications

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)
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Safety and Handling

compliance-icons
Product Identifier
  • 4,4'-Azobis(4-cyanovaleric acid), cont. ca 18% water
 Signal Word
  • Danger
 Hazard Category
  • Self-reaC & Dtive substanC & De or mixture Type C & D
 Hazard Statement
  • H242-Heating may cause a fire.
 Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P234-Keep only in original container.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P403+P235-Store in a well-ventilated place. Keep cool.
 Supplemental information
  • MIXTURE LIST-Contain: 4,4'-azobis[4-cyano-pentanoic acid
SDS

RUO – Research Use Only

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