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Toxicity data
Risk phrases
Safety phrases
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for it. General
Synonyms: 1-aminobutane, n-butylamine, monobutylamine,
1-butanamine, mono-n-butylamine, norvalamine
Molecular formula: C4H11N
CAS No: 109-73-9
EC No: 203-99-2
Annex I Index No: 612-005-00-0
Physical data
Appearance: colourless to yellow liquid
Melting point: -49 C
Boiling point: 78 C
Vapour density: 2.5
Vapour pressure: 68 mm Hg at 20 C
Specific gravity: 0.74
Flash point: -7 C (closed cup)
Explosion limits: 1.7 % - 9.8 %
Autoignition temperature: 312 C
Stability
Stable. Incompatible with oxidizing agents, aluminium, copper,
copper alloys, acids. Highly flammable.
Toxicology
Harmful by inhalation, ingestion and through
skin contact. Very destructive of mucous membranes. Causes severe burns.
Typical PEL 5 ppm.
(The meaning of any abbreviations which appear in this section is given
here.)
ORL-RAT LD50 366 mg kg-1
IVN MUS LD50 198 mg kg-1
IHL-MUS LC50 800 mg/m3/2h
IVN-MUS LD50 198 mg kg-1
(The meaning of any risk phrases which appear in this section is given
here.)
R11 R20 R21 R22 R35 R36 R37 R38.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
UN No 1125. Hazard class 3.2. Packing group II
Personal protection
Safety glasses, adequate ventilation, gloves.
(The meaning of any safety phrases which appear in this section is given
here.)
S3 S16 S26 S29 S36 S37 S39 S45.