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1-Bromobutane structure
Chemical Name:
n-C4H9Br;1-Brombutan;bromo butane;1-BROMOBUTANE;BUTYL BROMIDE;n-Butylbromid;1-bromo-butan;n-bromobutane;1-butylbromide;N-BUTYL BROMIDE
Molecular Formula:
Formula Weight:
MOL File:

1-Bromobutane Properties

Melting point:
-112 °C
Boiling point:
100-104 °C(lit.)
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
Clear colorless to light yellow
explosive limit
2.8-6.6%, 100°F
Water Solubility 
0.608 g/L (30 ºC)
Stable. Flammable - note low flash point. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference
109-65-9(CAS DataBase Reference)
NIST Chemistry Reference
Butane, 1-bromo-(109-65-9)
EPA Substance Registry System
Butane, 1-bromo-(109-65-9)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
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
HazardClass  3
PackingGroup  II
HS Code  29033036
Hazardous Substances Data 109-65-9(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2761 mg/kg
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P391 Collect spillage. Hazardous to the aquatic environment
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
2 0
HEALTH   2 Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine)
FIRE  3 Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone)
REACT   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

1-Bromobutane price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 08953 1-Bromobutane analytical standard 109-65-9 5ml-f $78.3 2018-11-13 Buy
Sigma-Aldrich B59497 1-Bromobutane ReagentPlus , 99% 109-65-9 1kg $87.4 2018-11-13 Buy
TCI Chemical B0560 1-Bromobutane >98.0%(GC) 109-65-9 25g $14 2018-11-22 Buy
TCI Chemical B0560 1-Bromobutane >98.0%(GC) 109-65-9 500g $27 2018-11-22 Buy
Alfa Aesar A10696 1-Bromobutane, 98+% 109-65-9 500g $35.2 2018-11-13 Buy

1-Bromobutane Chemical Properties,Uses,Production

Chemical Properties

clear colorless to slightly yellow liquid


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].


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

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit


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.]


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

1-Bromobutane Preparation Products And Raw materials

Raw materials

Preparation Products

1-Bromobutane Suppliers

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1-Bromobutane Spectrum

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