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4,4′-Azobis(4-cyanovaleric acid)

4,4′-Azobis(4-cyanovaleric acid) chemical structure
CAS Number2638-94-0
FormulaN/A
Mol. Weight280.28 g/mol

What is 4,4′-Azobis(4-cyanovaleric acid)?

4,4′-Azobis(4-cyanovaleric acid) is a chemical compound with CAS number 2638-94-0. It is used in various industrial and research applications.

Applications

4,4′-Azobis(4-cyanovaleric acid) has been used in the preparation of polystyrene particles by polymerizing styrene in ethyl alcohol1.

Specifications

Linear Formula

HOCOCH2CH2C(CH3)(CN)N=NC(CH3)(CN)CH2CH2COOH

Molecular Weight

280.28 g/mol

Assay/Purity

≥97.0% (calc. based on dry substance, T)

Impurities

≤1% water

Safety Information

GHS02GHS02
Signal Word

Danger

Hazard Statements

H242

Required PPE

Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Melting Point

118-125 °C (dec.)(lit.)

EC Number

220-135-0

WGK Germany

2

Frequently Asked Questions

Alternative Names & Synonyms

HOCOCH2CH2C(CH3)(CN)N=NC(CH3)(CN)CH2CH2COOH