Acrylonitrile Monomer
CAS Number: 107-13-1
Acrylonitrile (AN) is a versatile vinyl monomer that provides hardness, chemical resistance, and polar character to copolymers. It is a core monomer in ABS, SAN, NBR rubber, and acrylic fiber (PAN) production. AN is also used to manufacture carbon fiber precursor PAN and as a co-monomer in specialty barrier resins.
Technical Specifications
| appearance | Colorless transparent liquid |
| purity (%) | ≥99.5 |
| water content (%) | ≤0.05 |
| inhibitor (MEHQ, ppm) | 35–45 |
| peroxide content (as H2O2, ppm) | ≤1 |
Applications
- ABS (acrylonitrile-butadiene-styrene) resin production
- SAN (styrene-acrylonitrile) copolymer synthesis
- Nitrile butadiene rubber (NBR) for oil-resistant seals
- Carbon fiber precursor polyacrylonitrile (PAN) fiber
- High-barrier packaging resins (Barex, Lopac)
Key Features
- High polarity nitrile group contributes oil resistance and chemical barrier in copolymers
- Raises Tg and tensile strength when incorporated into acrylic or styrenic copolymers
- Carbon fiber precursor capability from high-purity PAN polymerization
- Low peroxide content prevents color formation and ensures consistent polymerization
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CAS Number
107-13-1
Category
Polymer Synthesis ChemicalsAvailability
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