Otsuka Chemical ACVA

Identification & Functionality

Chemical Family

Carboxylic Acids & Derivatives

Chemical Name

4,4′-Azobis(4-cyanovaleric acid)

Plastics & Elastomers Functions

Initiator

CAS No.

2638-94-0

EC No.

220-135-0

Technologies

Elastomers,

Plastics

Product Families

Elastomers — Elastomer Additives

Catalysts, Initiators & Crosslinkers

Plastics — Polymer Additives

Catalysts, Initiators & Crosslinkers

Applications & Uses

Markets

Automotive & Transportation,

Building & Construction,

Consumer Goods,

Electrical & Electronics,

Industrial

Applications

Industrial — Maintenance, Repair & Overhaul

Automotive & Transportation — Other Automotive & Transportation Applications

Building & Construction — Other Building & Construction Applications

Consumer Goods — Other Consumer Goods Applications

Electrical & Electronics — Other Electrical & Electronics Applications

Industrial — Other Industrial Applications

Compatible Polymers & Resins

Ethylene Vinyl Acetate (EVA),

Poly(Methyl Methacrylate) (PMMA),

Polystyrenes (PS)

Applications

Comapatibility	AIBN	AMBN	ADVN	MAIB	ACVA
Methyl methacrylate	Yes	Yes	Yes	Yes	Yes
Vinyl chloride	Yes	Yes	Yes	Yes
Vinyl acetate	Yes	Yes	Yes	Yes	Yes
ABS	Yes	Yes	Yes	Yes
Styrene	Yes	Yes	Yes	Yes	Yes
Acrylic acid ester	Yes	Yes	Yes	Yes	Yes
Acrylonitrile	Yes	Yes	Yes	Yes
SBR	Yes	Yes	Yes	Yes
Acrylamide					Yes
Polyol	Yes	Yes	Yes	Yes
Butadiene	Yes	Yes	Yes		Yes
Methacrylic acid	Yes	Yes	Yes		Yes

 

Properties

Typical Properties

	Value	Units	Test Method / Conditions
Molecular Weight	280.3	—	—
Melting Point	110-120	°C	—
Decomposition Point	110-120	°C	—
10 hours. Half-life	68	°C	—
Activation Energy	34	kcal/mol	—
Fire Service Act No.	Nonhazardous material	—	—
Purity After Drying	min. 98	%	—
Volatile Matter, Water	max. 20	%	—