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1-Bromobutane

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1-Bromobutane Basic information

Product Name:
1-Bromobutane
CAS:
109-65-9
MF:
C4H9Br
MW:
137.02
EINECS:
203-691-9
Mol File:
109-65-9.mol
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1-Bromobutane Chemical Properties

Melting point:
-112 °C
Boiling point:
100-104 °C(lit.)
Density 
1.276 g/mL at 25 °C(lit.)
vapor density 
4.7 (vs air)
vapor pressure 
150 mm Hg ( 50 °C)
refractive index 
n20/D 1.439(lit.)
Flash point:
23 °C
storage temp. 
Flammables area
solubility 
0.6g/l
form 
Liquid
color 
Clear colorless to light yellow
Odor
characteristic odor
explosive limit
2.8-6.6%, 100°F
Water Solubility 
0.608 g/L (30 ºC)
Merck 
14,1553
BRN 
1098260
Stability:
Stable. Flammable - note low flash point. Incompatible with strong oxidizing agents, strong bases.
InChIKey
MPPPKRYCTPRNTB-UHFFFAOYSA-N
CAS DataBase Reference
109-65-9(CAS DataBase Reference)
NIST Chemistry Reference
Butane, 1-bromo-(109-65-9)
EPA Substance Registry System
1-Bromobutane (109-65-9)
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Safety Information

Hazard Codes 
F,Xi,N
Risk Statements 
11-36/37/38-51/53-10
Safety Statements 
16-26-60-37/39
RIDADR 
UN 1126 3/PG 2
WGK Germany 
2
RTECS 
EJ6225000
Autoignition Temperature
509 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29033036
Hazardous Substances Data
109-65-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 2761 mg/kg

MSDS

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1-Bromobutane Usage And Synthesis

Chemical Properties

clear colorless to slightly yellow liquid

Uses

1-Bromobutane is used in the synthesis of procaine and tetracaine.

General Description

A clear colorless liquid. Flash point 65°F. Denser than water and insoluble in water. Vapors heavier than air.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

1-Bromobutane is incompatible with strong bases and oxidizers [USCG, 1999].

Hazard

Flammable, dangerous fire risk.

Health Hazard

Irritating to the eyes, nose, throat, and upper respiratory tract. Symptoms of exposure include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Irritating to the skin.

Safety Profile

Moderately toxic by intraperitoneal route. Mddly toxic by inhalation. Dangerous fire hazard when exposed to heat, flame, or oxidizers. Violent reaction with bromobenzene + sodium above 30℃. Can react with oxidizing materials. To fight fire, use CO2, dry chemical, mist or spray. See also BROMIDES.

Potential Exposure

Butyl bromide is a highly flammable, colorless liquid with a pleasant odor. Molecular weight 5 137.04. Specific gravity (H2O:1) 5 1.28 @ 20C; boiling point 5 101.3C; freezing/melting point 5 2112.4; vapor pressure 5 42 mmHg @ 25C; vapor density (air 5 1) 5 4.68; flash point 5 17.2C (n-); 21C (sec-isomer). Autoignition temperature 5 269C. Explosive limits: LEL: 2.5% @ 100C; UEL: 6.6% @ 100C. Hazard identification (based on NFPA-704 M Rating System): Health 1; flammability 3; reactivity 0 ?. Insoluble in water

Shipping

UN1126 & UN23391- & 2-Bromobutane, Hazard Class: 3; Labels: 3—Flammable liquid.

Purification Methods

Wash the bromide with conc H2SO4, water, 10% Na2CO3 and again with H2O. Dry it over CaCl2, CaSO4 or K2CO3, and distil it. Redistil it after drying with P2O5, or pass it through two columns containing 5:1 silica gel/Celite mixture and store it with freshly activated alumina. [Beilstein 1 IV 258.]

Incompatibilities

Vapor may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. May accumulate static electrical charges and cause ignition of its vapors.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed

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