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Methyl isovalerate

CAS No.
556-24-1
Chemical Name:
Methyl isovalerate
Synonyms
FEMA 2753;METHYL ISOVALERATE;METHYL ISOPENTANOATE;MethylIsovalerate>Methylisovalerate,98%;methyl3-methylbutyrate;METHYL ISO VALERIANATE;Isovaleric acid methyl;methyl3-methylbutanoate;Methyl 3-methylbutyrate
CBNumber:
CB9779949
Molecular Formula:
C6H12O2
Molecular Weight:
116.16
MDL Number:
MFCD00042866
MOL File:
556-24-1.mol
MSDS File:
SDS
Last updated:2026-01-13 11:26:59
Product description Number Pack Size Price
Methyl isovalerate ≥99%, FG W275301 1 unit $56.81
Methyl isovalerate ≥99%, FG W275301 1 unit $56.81
Methyl isovalerate ≥99%, FG W275301 1kg $87.49
Methyl isovalerate ≥99%, FG W275301 4kg $457
Methyl isovalerate ≥98.0% (GC) 59900 100ml $88.2
More product size

Methyl isovalerate Properties

Melting point -91°C (estimate)
Boiling point 114-115 °C (lit.)
Density 0.881 g/mL at 25 °C (lit.)
FEMA 2753 | METHYL ISOVALERATE
refractive index n20/D 1.393(lit.)
Flash point 58 °F
solubility soluble in Chloroform, Ethyl Acetate
Specific Gravity 0.88
color Colorless to Almost colorless
Odor at 10.00 % in dipropylene glycol. strong apple fruity pineapple
Odor Threshold 0.0022ppm
Odor Type fruity
biological source synthetic
Water Solubility insoluble
Merck 14,6093
JECFA Number 195
BRN 1699922
Major Application flavors and fragrances
Cosmetics Ingredients Functions PERFUMING
InChI 1S/C6H12O2/c1-5(2)4-6(7)8-3/h5H,4H2,1-3H3
InChIKey OQAGVSWESNCJJT-UHFFFAOYSA-N
SMILES COC(=O)CC(C)C
LogP 1.59
FDA 21 CFR 172.515
CAS DataBase Reference 556-24-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) METHYL ISOVALERATE
EWG's Food Scores 1
FDA UNII QPS4788198
NIST Chemistry Reference Butanoic acid, 3-methyl-, methyl ester(556-24-1)
EPA Substance Registry System Butanoic acid, 3-methyl-, methyl ester (556-24-1)
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
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F
Risk Statements  11
Safety Statements  16
RIDADR  UN 2400 3/PG 2
WGK Germany  3
RTECS  NY1510000
13
TSCA  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29159000
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
NFPA 704
3
0 0

Methyl isovalerate price More Price(17)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W275301 Methyl isovalerate ≥99%, FG 556-24-1 1 unit $56.81 2025-07-31 Buy
Sigma-Aldrich W275301 Methyl isovalerate ≥99%, FG 556-24-1 1 unit $56.81 2025-07-31 Buy
Sigma-Aldrich W275301 Methyl isovalerate ≥99%, FG 556-24-1 1kg $87.49 2025-07-31 Buy
Sigma-Aldrich W275301 Methyl isovalerate ≥99%, FG 556-24-1 4kg $457 2025-07-31 Buy
Sigma-Aldrich 59900 Methyl isovalerate ≥98.0% (GC) 556-24-1 100ml $88.2 2022-05-15 Buy
Product number Packaging Price Buy
W275301 1 unit $56.81 Buy
W275301 1 unit $56.81 Buy
W275301 1kg $87.49 Buy
W275301 4kg $457 Buy
59900 100ml $88.2 Buy

Methyl isovalerate Chemical Properties,Uses,Production

Description

Methyl isovalerate has a strong, pungent, apple-like odor and a bitter flavor. It may be prepared by esterification of isovaleric acid with methyl alcohol at the boil in the presence of concentrated H2SON4.

Chemical Properties

Methyl isovalerate has a strong, pungent, apple-like odor and a bitter flavor. This compound is also reported to have an herbaceous, fruity odor.

Chemical Properties

clear slightly yellow liquid

Occurrence

Reported found in the juice of a few varieties of Florida oranges, pineapple, apple, banana, bilberry, blueberry, strawberry, melon, peas, peppermint oil, pepper, blue, Gruyere and parmesan cheese, coffee, honey, olive, mushroom, jackfruit, cherimoya, sage, custard apple, nectarine, lamb’s lettuce and cape gooseberry

Uses

Isovaleric Acid Methyl Ester is a volatile compound found in Albion and Juliette strawberry fruits that contributes to the flavor of the fruit.

Definition

ChEBI: Methyl 3-methylbutanoate is a fatty acid ester.

Preparation

By esterification of isovaleric acid with methyl alcohol at the boil in the presence of concentrated H2SO4.

Aroma threshold values

Detection: 4.4 to 44 ppb

Taste threshold values

Taste characteristics at 80 ppm: fruity, pineapple, apple with a juicy, fruit-like nuance

Synthesis Reference(s)

Tetrahedron Letters, 8, p. 4805, 1967 DOI: 10.1016/S0040-4039(01)89607-6

General Description

A colorless liquid. Flash point below 70°F. Less dense than water and insoluble in water. Vapors heavier than air. May be slightly toxic by ingestion and inhalation. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

Methyl isovalerate is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.

Health Hazard

May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

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.

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View Lastest Price from Methyl isovalerate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methyl isovalerate pictures 2025-06-20 Methyl isovalerate
556-24-1
US $0.00 / kg 1kg 0.99 20 tons Hebei Yanxi Chemical Co., Ltd.
Methyl isovalerate pictures 2019-07-06 Methyl isovalerate
556-24-1
US $1.00 / kg 1kg 99% 100KG Career Henan Chemical Co
Methyl isovalerate >=99.0% Methyl isovalerate >=98.0% (GC) 3-Methylbutanoic acid methyl ester 3-methyl-butanoicacidmethylester 3-methyl-butanoicacimethylester 3-methyl-butyricacidmethylester Butanoicacid,3-methyl-,methylester Methyl 3-methylbutanoate Methyl 3-methylbutyrate methyl3-methylbutanoate methyl3-methylbutyrate FEMA 2753 METHYL ISOVALERATE METHYL ISO VALERIANATE METHYL ISOPENTANOATE METHYL BETA-METHYL BUTYRATE ISOVALERIC ACID METHYL ESTER Isovaleric acid methyl ester~3-Methylbutyric acid methyl ester~Methyl isopentanoate~Methyl 3-methylbutyrate METHYL ISOVALERATE 99+% ISOVALERIC ACID METHYL ESTER 98+% Methylisovalerate,98% methylmethylbutanoate,methyl3-methylbutanoate 2-Methlylblityl isovalerate METHYL ISOVALERATE, NATURAL 3-Methylbutanoic acid methyl Isovaleric acid methyl MethylIsovalerate> Methyl isovalerate USP/EP/BP Methyl Isovalerate, ≥ 98.0% 556-24-1 CH32CHCH2COOCH3 CH32C2H3COOCH3 CH32CHCH2CO2CH3 Esters Alphabetic Organic Building Blocks META - METH Building Blocks Analytical Standards Analytical Chromatography Product Catalog C6 to C7 Carbonyl Compounds C6 to C7 Carbonyl Compounds Esters FAMEs Fatty AcidsAlphabetic Lipid Analytical Standards M META - METHFA/FAME/Lipids/Steroids Neats&Single Component Solutions Other Lipid Related Products Alphabetical Listings Flavors and Fragrances M-N