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Methyl isobutyrate

CAS No.
547-63-7
Chemical Name:
Methyl isobutyrate
Synonyms
Methyl methylpropanoate;METHYL 2-METHYLPROPIONATE;FEMA 2694;(CH3)2CHC(O)OCH3;METHYL ISOBUTYRATE;methyt isobutyrate;Methyl isobutanoate;MethylIsobutyrate>Methylisobutyrat 98%;Methylisobutyrate,98%
CBNumber:
CB4853804
Molecular Formula:
C5H10O2
Molecular Weight:
102.13
MDL Number:
MFCD00008914
MOL File:
547-63-7.mol
MSDS File:
SDS
Last updated:2026-01-13 11:22:19
Product description Number Pack Size Price
Methyl isobutyrate 99%, FG W269409 1 unit $51.87
Methyl isobutyrate 99%, FG W269409 1 unit $51.87
Methyl isobutyrate 99%, FG W269409 1kg $92.15
Methyl isobutyrate 99%, FG W269409 9kg $484
Methyl isobutyrate 99% 148008 100ml $45.12
More product size

Methyl isobutyrate Properties

Melting point -85--84 °C
Boiling point 90 °C (lit.)
Density 0.891 g/mL at 25 °C (lit.)
FEMA 2694 | METHYL ISOBUTYRATE
refractive index n20/D 1.384(lit.)
Flash point 38 °F
storage temp. Flammables area
solubility Slightly soluble in water, soluble in Propylene glycol, miscible with alcohol and oils
form Liquid
color Clear colorless
Specific Gravity 0.89
Odor at 10.00 % in dipropylene glycol. fruity floral apple pineapple
Odor Threshold 0.0019ppm
Odor Type fruity
biological source synthetic
Water Solubility slightly soluble
Merck 14,6088
JECFA Number 185
BRN 1740720
Major Application flavors and fragrances
InChI 1S/C5H10O2/c1-4(2)5(6)7-3/h4H,1-3H3
InChIKey BHIWKHZACMWKOJ-UHFFFAOYSA-N
SMILES COC(=O)C(C)C
LogP 1.06
CAS DataBase Reference 547-63-7(CAS DataBase Reference)
FDA 21 CFR 172.515
Substances Added to Food (formerly EAFUS) METHYL ISOBUTYRATE
FDA UNII EM286QL922
NIST Chemistry Reference Propanoic acid, 2-methyl-, methyl ester(547-63-7)
EPA Substance Registry System Propanoic acid, 2-methyl-, methyl ester (547-63-7)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS02
Signal word  Danger
Hazard statements  H225
Precautionary statements  P210-P233-P240-P241-P242-P243
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F,Xi,Xn
Risk Statements  11-36/37/38-20-2017/11/20
Safety Statements  16-37/39-26-24/25
RIDADR  UN 1237 3/PG 2
WGK Germany  3
RTECS  NQ5425000
TSCA  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29156000
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
4
0

Methyl isobutyrate price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W269409 Methyl isobutyrate 99%, FG 547-63-7 1 unit $51.87 2025-07-31 Buy
Sigma-Aldrich W269409 Methyl isobutyrate 99%, FG 547-63-7 1 unit $51.87 2025-07-31 Buy
Sigma-Aldrich W269409 Methyl isobutyrate 99%, FG 547-63-7 1kg $92.15 2025-07-31 Buy
Sigma-Aldrich W269409 Methyl isobutyrate 99%, FG 547-63-7 9kg $484 2025-07-31 Buy
Sigma-Aldrich 148008 Methyl isobutyrate 99% 547-63-7 100ml $45.12 2025-07-31 Buy
Product number Packaging Price Buy
W269409 1 unit $51.87 Buy
W269409 1 unit $51.87 Buy
W269409 1kg $92.15 Buy
W269409 9kg $484 Buy
148008 100ml $45.12 Buy

Methyl isobutyrate Chemical Properties,Uses,Production

Chemical Properties

methyl isobutyrate is a clear colourless liquid that has a fruity (apple–pineapple) odor and a sweet flavor reminiscent of apricot. soluble in water, miscible in common organic solvents. flammable. natural products exist in strawberries etc.

Occurrence

Reported found in Russian champagnes and among the volatile components of strawberry juice. Also reported found in apple juice, banana, kumquat peel oil, blueberry, melon, papaya, pineapple, strawberry, fried potato, starfruit, dill herb, cherimoya, kiwifruit, loquat, naranjilla fruit and cape gooseberry.

Uses

Methyl isobutyrate is used as a flavoring agent. It was used as diluent in forced Rayleigh scattering studies to measure diffusion coefficients for a ternary system comprising camphorquinone in poly(methyl methacrylate).

Definition

ChEBI: Methyl isobutyrate is the fatty acid methyl ester of isobutyric acid. It has a role as a metabolite. It derives from an isobutyric acid.

Preparation

Methyl isobutyrate can be synthesized by direct esterification of methanol with isobutyric acid.

Application

Methyl isobutyrate can be used as a solvent, organic synthesis, standard for gas chromatography. radiofrequency-induced plasmas of methyl isobutyrate has been studied using mass spectrometry.

Taste threshold values

Taste characteristics at 35 ppm: sweet, ethereal, fruity and juicy fruit

General Description

Radiofrequency-induced plasmas of methyl isobutyrate has been studied using mass spectrometry.

Carcinogenicity

Not listed by ACGIH, California Proposition 65, IARC, NTP, or OSHA.

78-84-2
547-63-7
Synthesis of Methyl isobutyrate from Isobutyraldehyde
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View Lastest Price from Methyl isobutyrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methyl isobutyrate pictures 2025-06-23 Methyl isobutyrate
547-63-7
US $0.00-0.00 / kg 1kg 99% 500000kg Hebei Kingfiner Technology Development Co.Ltd
Methyl isobutyrate pictures 2025-06-20 Methyl isobutyrate
547-63-7
US $0.00 / kg 1kg 0.99 20 tons Hebei Yanxi Chemical Co., Ltd.
Methyl isobutyrate pictures 2023-07-27 Methyl isobutyrate
547-63-7
US $1.10 / g 1g 99.0% Min 100 Tons Shaanxi Didu New Materials Co. Ltd
  • Methyl isobutyrate pictures
  • Methyl isobutyrate
    547-63-7
  • US $0.00-0.00 / kg
  • 99%
  • Hebei Kingfiner Technology Development Co.Ltd
Propanoicacid,2-methyl-,methylester METHYL ISOBUTYRATE 99+% Methyl #niso-butyrate METHYL 2-METHYLPROPIONATE (CH3)2CHC(O)OCH3 2-methylpropanoicacidmethylester 2-methyl-propanoicacidmethylester 2-methyl-propanoicacimethylester Methyl isobutanoate Methyl methylpropanoate Methylester kyseliny isomaselne methylesterkyselinyisomaselne methylmethylpropanoate,methyl2-methylpropanoate Methylisobutyrate,98% ISOBUTRYIC METHYL ESTER METHYL ISOBUTYRATE, NATURAL 2-Methylpropionic acid methyl Isobutyric acid methyl Methyl isobutyrate, 99% 100GR Methyl isobutyrate, 99% 5GR Methyl isobutyrate >=99.0% Methyl isobutyrate 99% 2-METHYLPROPIONIC ACID-METHYL ESTER METHYL-2-METHYLPROPANOATE ISOBUTYRIC ACID METHYL ESTER FEMA 2694 METHYL ISOBUTYRATE METHYL DIMETHYLACETATE Natural Methyl Isobutyrate MethylIsobutyrate> Methyl isobutyrate USP/EP/BP C14396000 IsobutyriCacid-methyLester Melphalan Impurity 7 Monomer(Melphalan EP Impurity G Monomer) Methylisobutyrat 98% methyt isobutyrate 547-63-7 547637 CH32CHCO2CH3 Building Blocks Carbonyl Compounds C2 to C5 Organic Building Blocks Esters Alphabetical Listings Flavors and Fragrances M-N C2 to C5 Carbonyl Compounds Esters