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tert-Butylamine

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tert-Butylamine Basic information

Product Name:
tert-Butylamine
Synonyms:
  • tert-Butylamine purified by redistillation, >=99.5%
  • t-Butylamine 〔2-Amino-2-methylpropane〕
  • 1,1-dimethylethanamine
  • 2-Methyl-2-aminopropane
  • 2-methyl-2-propanamin
  • 2-Methyl-2-propanamine
  • 2-Propanamine,2-methyl-
  • 2-AMINOISOBUTANE
CAS:
75-64-9
MF:
C4H11N
MW:
73.14
EINECS:
200-888-1
Product Categories:
  • Amines
  • Building Blocks
  • C2 to C5
  • Chemical Synthesis
  • Nitrogen Compounds
  • Organic Building Blocks
Mol File:
75-64-9.mol
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tert-Butylamine Chemical Properties

Melting point:
-67 °C (lit.)
Boiling point:
46 °C (lit.)
Density 
0.696 g/mL at 25 °C (lit.)
vapor density 
2.5 (vs air)
vapor pressure 
5.7 psi ( 20 °C)
refractive index 
n20/D 1.377(lit.)
Flash point:
−36.4 °F
storage temp. 
Store below +30°C.
solubility 
water: miscible1000g/L at 25°C
form 
Liquid
pka
10.68(at 25℃)
color 
Clear
PH
12 (100g/l, H2O, 20℃)
Odor
Like ammonia.
Odor Threshold
0.17ppm
explosive limit
1.5-9.2%(V)
Water Solubility 
MISCIBLE
Sensitive 
Air Sensitive
Merck 
14,1545
BRN 
605267
Stability:
Stable. Incompatible with strong acids, strong oxidizing agents. Highly flammable.
CAS DataBase Reference
75-64-9(CAS DataBase Reference)
NIST Chemistry Reference
2-Propanamine, 2-methyl-(75-64-9)
EPA Substance Registry System
tert-Butylamine (75-64-9)
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Safety Information

Hazard Codes 
F,C,T
Risk Statements 
11-20/22-35-25-20-52/53
Safety Statements 
16-26-36/37/39-45-28A-61
RIDADR 
UN 3286 3/PG 2
WGK Germany 
1
RTECS 
EO3330000
2-10
Autoignition Temperature
716 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29211980
Hazardous Substances Data
75-64-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 80 mg/kg

MSDS

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tert-Butylamine Usage And Synthesis

Chemical Properties

Butyl amines are highly flammable, colorless liquids (n-turns yellow on standing) with ammoniacal or fishlike odors. n-isomer:

Chemical Properties

tert-Butylamine is a colorless liquid. It is used in the preparation of insecticides, pharmaceuticals, oil additives, and rubber accelerators.

Uses

Intermediate for rubber accelerators, insecti- cides, fungicides, dyestuffs, pharmaceuticals.

Production Methods

tert-Butylamine is manufactured by reacting isobutylamine with sulfuric acid followed by cyanide to tert-butylformamide. Hydrolysis yields t-butylamine. It is used as a solvent and in organic syntheses.

Definition

ChEBI: A primary aliphatic amine that is ethylamine substituted by two methyl groups at position 1.

General Description

A clear colorless liquid with an ammonia-like odor. Flash point 70°F. Less dense (at 6.2 lb / gal) than water. Vapors heavier than air. Toxic oxides of nitrogen produced during combustion.

Air & Water Reactions

Highly flammable. May be sensitive to air . Soluble in water.

Reactivity Profile

tert-Butylamine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides. Undergoes highly exothermic reaction with 2,2-dibromo-1,3-dimethylcyclopropanoic acid [J. Chem. Soc., 1, 1979, 2324].

Hazard

Skin irritant. Flammable, dangerous fire risk.

Health Hazard

Inhalation causes irritation of nose, mouth, and lungs. Ingestion causes irritation of mouth and stomach. Contact with liquid causes severe irritation of eyes and moderate irritation of skin.

Fire Hazard

Special Hazards of Combustion Products: Toxic oxides of nitrogen may form in fire.

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: Liquid will attack some plastics; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flush with water; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Safety Profile

Poison by ingestion. Moderately toxic to humans by inhalation. A corrosive liquid. See also n-BUTYLAMINE and AMINES. Very dangerous fire hazard when exposed to heat or flame. Very exothermic reaction with 2,2-dibromo-l,3 dimethylcyclopropanoic acid. To fight fire, use alcohol foam. When heated to decomposition it emits toxic fumes of NOx.

Potential Exposure

Alert: (n-isomer): Possible risk of forming tumors, suspected of causing genetic defects, suspected reprotoxic hazard, Primary irritant (w/o allergic reaction), (sec-isomer): Drug. n-Butylamine is used in pharmaceuticals; dyestuffs, rubber, chemicals, emulsifying agents; photography, desizing agents for textiles; pesticides, and synthetic agents. sec-Butylamine is used as a fungistate. tert-Butylamine is used as a chemical intermediate in the production of tert-Butylaminoethyl methacrylate (a lube oil additive); as an intermediate in the production of rubber and in rust preventatives and emulsion deterrents in petroleum products. It is used in the manufacture of several drugs

Shipping

UN1125 n-Butylamine, Hazard Class: 3; Labels: 3—Flammable liquid, 8—Corrosive material. UN2014 Isobutylamine, Hazard Class: 3; Labels: 3—Flammable liquid, 8—Corrosive material

Purification Methods

Dry it with KOH or LiAlH4, and/or distil it from CaH2 or BaO. [Beilstein 4 IV 657.]

Incompatibilities

May form explosive mixture with air. May accumulate static electrical charges, and may causeignition of its vapors. n-Butylamine is a weak base; reacts with strong oxidizers and acids, causing fire and explosion hazard. Incompatible with organic anhydrides; isocyanates, vinyl acetate; acrylates, substituted allyls; alkylene oxides; epichlorohydrin, ketones, aldehydes, alcohols, glycols, phenols, cresols, caprolactum solution. Attacks some metals in presence of moisture. The tert-isomer will attack some forms of plastics

Waste Disposal

Use a licensed professional waste disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner andscrubber. All federal, state, and local environmental regulations must be observed.

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