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Methyl butyrate

Description References
Methyl butyrate
Methyl butyrate
Chemical Name:
Methyl butyrate
FEMA 2693;n-C3H7COOCH3;Methylbutyrat;Butyric acid-M;METHYL BUTYRATE;METHYL BUTANOATE;METHYL N-BUTYRATE;methyln-butanoate;Methyl n-butanoate;Methylbutyrate,99%
Molecular Formula:
Formula Weight:
MOL File:

Methyl butyrate Properties

Melting point:
Boiling point:
102-103 °C(lit.)
0.898 g/mL at 25 °C(lit.)
vapor density 
3.5 (vs air)
vapor pressure 
40 mm Hg ( 30 °C)
refractive index 
n20/D 1.385(lit.)
Flash point:
53 °F
storage temp. 
Flammables area
water: soluble60 part
Clear colorless to very slightly yellow
explosive limit
Water Solubility 
Slightly soluble in water.
Stable. Flammable. Incompatible with strong bases, strong oxidizing agents.
CAS DataBase Reference
623-42-7(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, methyl ester(623-42-7)
EPA Substance Registry System
Butanoic acid, methyl ester(623-42-7)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,Xn,Xi
Risk Statements  20-36/37/38-11
Safety Statements  16-26-36-33-29-9
RIDADR  UN 1237 3/PG 2
WGK Germany  2
RTECS  ET5500000
HazardClass  3
PackingGroup  II
HS Code  29156000
Hazardous Substances Data 623-42-7(Hazardous Substances Data)
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
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
Precautionary statements:
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.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Methyl butyrate price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 19358 Methyl butyrate analytical standard 623-42-7 1ml $40.4 2018-11-13 Buy
Sigma-Aldrich 19358 Methyl butyrate analytical standard 623-42-7 5ml $114 2018-11-13 Buy
TCI Chemical B0763 Methyl Butyrate >99.0%(GC) 623-42-7 25mL $14 2017-11-08 Buy
TCI Chemical B0763 Methyl Butyrate >99.0%(GC) 623-42-7 500mL $43 2017-11-08 Buy
Alfa Aesar L04250 Methyl butyrate, 98+% 623-42-7 500ml $49.9 2018-11-13 Buy

Methyl butyrate Chemical Properties,Uses,Production


Metyhl butyrate occurs naturally in apples, apricot, blackberry, nectarine etc. It is used as a flavor ingredient in fruit and rum flavoring for beverages, ice cream, candy, and baked goods. Methyl butyrate is also used to synthesize butyraldehyde.


[1] Ruth Winter, A Consumer's Dictionary of Food Additives, 7th Edition, 2009
[2] Laurent Ducry and Dominique M. Roberge, Dibal-H Reduction of Methyl Butyrate into Butyraldehyde using Microreactors, Organic Process Research & Development, 2008, vol. 12, 163-167

Chemical Properties

colourless liquid


manufacture of artificial rum and fruit essences.

General Description

A clear colorless liquid. Flash point 57°F. Less dense than water and slightly soluble in water. Hence floats on water. Vapors heavier than air.

Air & Water Reactions

Highly flammable. Slightly soluble in water.

Reactivity Profile

Methyl butyrate reacts exothermically with acids to generate alcohols and carboxylic acids. Strong oxidizing acids may cause a reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by interaction with basic or caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides .

Health Hazard

Irritating to the eyes, nose, throat, upper respiratory tract, and skin.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Purification Methods

Treat the ester with anhydrous CuSO4, then distil it under dry nitrogen. [Beilstein 2 IV 786.]

Methyl butyrate Preparation Products And Raw materials

Raw materials

Preparation Products

Methyl butyrate Suppliers

Global( 145)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
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3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-50328109 China 15940 69
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30308 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24654 81
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