Basic information
Chemical name: 2,2'-Azobis(2-methylpropionitrile)
Alias: AIBN, VAZO64, V60
Molecular formula: C8H12N4
Molecular weight: 164.21
CAS number: 78-67-1
EC No.： 201-132-3
Specifications
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Items
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Specs
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Super grade products
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First grade
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Qualified
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Purity (GC), %
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98min.
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98min.
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97min.
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Melting point, ℃
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100-103
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99-103
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99-103
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Fugitive Constituent, %
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0.1max
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0.3max
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0.5max
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Methanol-insolubles, %
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0.01max
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0.1max
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0.5max
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Color
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5max
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10max
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10max
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Iron, ppm
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3max
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5max
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10max
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Physical and chemical properties
Appearance: White crystalline powder
Characteristics: Oil-soluble initiator
Relative density (water =1): 1.1
Flash point (℃): 64
Activation energy: 129 KJ / mol
Solubility: Soluble in methanol, toluene and other organic solvents
Incompatible substances: Insoluble in water, strong oxidants, acids, alkali
10-hour half-life temperature: 65℃ (in toluene)
Typical use
Uses
1. Mainly used as initiator for vinyl chloride, vinyl acetate and acrylonitrile monomer polymerization.
2. Used as foaming agent for polyvinyl chloride, polyolefin, polypolyurethane, polyvinyl alcohol, acrylonitrile and butadiene copolymer, acrylonitrile and butadiene &styrene copolymer, polyisocyanate, polyvinyl acetate, polyamide and polyester.
3. Used in organic synthesis.
Applied in the following industries
1. Polyvinyl alcohol
2. Vinylon, polyether
3. Polymer polyol
4. Foam used in fishing gear floating ball
Storage and transportation
Storage
Keep in cool, dry, well-ventilated warehouse below 20℃ and no higher than 30℃; relative humidity does not exceed 80%. Keep away from sources of fire and heat. Avoid direct sunlight. Keep packages tightly sealed. Equip warehouse with automatic fire sprinklers. Store it separately from oxidizing agents, acids and alkali.
Packaging: packed by 20kg fiber cans or as per clients’ request.
UN No.: 3234
Hazard Class: 4.1
Packaging Group: II
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