Amines
REACH
n-Butylamine
CAS Number
109-73-9
EC Number
203-699-2
FEMA Number
FEMA 3130
What is n-Butylamine?
n-Butylamine (CAS 109-73-9) is a primary aliphatic amine; FEMA 3130.
Where is n-Butylamine used?
- Flavor and fragrance: synthesis of aroma compounds
- Polymer and rubber: curing agent and cross-linking intermediate in vulcanized rubber and epoxy systems
- Personal care: pH-adjusting agent where controlled alkalinity is required
- Agrochemical, pharmaceutical and corrosion inhibitor synthesis: building block
- It functions as a reactive intermediate and pH modifier in industrial formulations.
Good to know: Buyers should confirm concentration and grade specifications against regulatory requirements, particularly for food-contact or flavor end uses.
Commercial specifications
- Drums or IBCs
- Bulk tanker quantities for industrial-scale procurement
- Technical grade standard; high-purity grades for flavor and pharmaceutical synthesis
Other Names (Synonyms)
Butan-1-amine|Butylamine
What are the physical properties of n-Butylamine?
Melting Point -50 °C
Boiling Point 78 °C
Density 0.7327 g/cm³ @ Temp: 25 °C
Flash Point 30 °F
Appearance Butyl amines are highly flammable, colorless liquids (n-turns yellow on standing) with ammoniacal or fishlike odors. n-isomer:
Color Clear
Odor Fish-like; ammonia-like.
Form Liquid
Water Solubility MISCIBLE
Vapor Pressure 68 mm Hg ( 20 °C)
Refractive Index n 20/D 1.401(lit.)
pH 12.6 (100g/l, H2O, 20℃)
Log P 0 at 25℃
How is n-Butylamine classified and handled safely? Learn More
Danger
GHS02· Flammable GHS05· Corrosive GHS07· Irritant GHS06· Toxic GHS08· Health Hazard
Hazard Statements
H225 Highly Flammable liquid and vapor
H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
Which trade and regulatory codes apply to n-Butylamine?
HS Code 29211980
UN Number 1125
ADR Class 3
Packing Group II
Storage Class 3 - Flammable liquids
WGK (Germany) 1