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DYTEK® 2M3BN (2-methyl-3-butenitrile) is an unsaturated nitrile that is used as a chemical intermediate used in flavors and fragrances, dyes, and rubber and polymer applications.

Chemical Name: 2-methyl-3-butenenitrile

CAS Number: 16529-56-9

Functions: Accelerator, Curing Agent, Intermediate, Monomer

Chemical Family: Nitriles

Synonyms: 2-Methyl-3-butenonitrile, 3-Cyanobut-1-ene

Technical Data Sheet
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Identification & Functionality

Chemical Family
Base Chemicals Functions
CASE Ingredients Functions
Plastics & Elastomers Functions
CAS No.
16529-56-9
EC No.
240-596-1
Derivatives
  • Mono- and di-(2-methylbutyl)amine
  • 2-Methyl-3-butenoic acid
  • 2-Methyl-2-butenoic, angelic, and tiglic acids
  • 2-Methylbutyric acid, esters, and polyol esters
  • Aminoalkyl silanes
Molecular Structure

INVISTA Dytek 2M3BN Molecular Structure

Applications & Uses

Markets
Base Chemicals End Uses
Recommended Uses & Known Applications
  • Dye intermediate
  • Rubber accelerator
  • Flavor and fragrance
  • Monomer
  • Lubricant

Properties

Typical Properties
ValueUnitsTest Method / Conditions
2-Methyl-3-Butenenitrile Content88wt%
Boiling Point (Pure 2M3BN)125 (257)°C (°F)
Boiling Range121–145 (250-293)°C (°F)
Flash Point15 (54)°C (°F)Closed Cup
Molecular Weight81.81g/mol
Pentenenitrile8wt%
Specific Gravity (at 25°C (77°F))0.8
trans-2-Methyl-2-Butenenitrile Content3wt%
Vapor Pressure (at 20°C (77°F))12mmHg
Water Content65ppm

Packaging & Availability

Packaging Information
Tank truck Net Weight : 42,000/19,000 (lbs/kg)
ISO container Net Weight : 40,000/18,100 (lbs/kg)
Steel Drums Net Weight : 350/158.77 (lbs/kg)
Shipping
DOT/IMO Proper Shipping Name Nitriles, Flammable, Toxic, N.O.S. (2- Methyl-3-Butenenitrile, 3-Pentenenitrile)
Hazard Class 3
Subsidiary Hazard Class 6.1
UN Number 3273
Packaging Group II
DOT/IMO Label Flammable Liquid