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W200832

Sigma-Aldrich

Acetoin

greener alternative

natural, ≥95%, FG

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Synonym(s):
3-Hydroxy-2-butanone, Acetylmethylcarbinol
Linear Formula:
CH3COCH(OH)CH3
CAS Number:
Molecular Weight:
88.11
FEMA Number:
2008
Beilstein:
385636
EC Number:
Council of Europe no.:
749
MDL number:
PubChem Substance ID:
Flavis number:
7.051
NACRES:
NA.21

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117
FDA 21 CFR 172.515

Assay

≥95%

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

refractive index

n20/D 1.417 (lit.)

bp

148 °C (lit.)

mp

15 °C (monomer)
90 °C (dimer) (lit.)

density

1.013 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

greener alternative category

Organoleptic

butter; creamy

storage temp.

2-8°C

SMILES string

CC(O)C(C)=O

InChI

1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3

InChI key

ROWKJAVDOGWPAT-UHFFFAOYSA-N

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General description

Acetoin is a volatile flavor compound with a buttery odor and flavor. It is mainly found in Kefir and yogurt. Acetoin is used as a flavoring agent in butter, milk, shortening and baked goods.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”.

Legal Information

Additional information may be required prior to purchase of this material

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

118.4 °F - closed cup

Flash Point(C)

48 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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Determination of organic acids and volatile flavor substances in kefir during fermentation
Guzel-Seydim ZB, et al.
J. Food Compos. Anal., 13(1), 35-43 (2000)
Volatile flavor compounds in yogurt: a review
Cheng H.
Critical Reviews in Food Science and Nutrition, 50(10), 938-950 (2010)
Fenaroli G
Fenaroli's Handbook of Flavor Ingredients, 6-6 (1971)
Pieter Moons et al.
Applied and environmental microbiology, 77(10), 3422-3427 (2011-03-29)
During fermentation of sugars, a number of bacterial species are able to switch from mixed acid production to acetoin and 2,3-butanediol production in order to avoid lethal acidification of their environment, although the regulation of this switch is only poorly
Maria del Pilar Marquez-Villavicencio et al.
PloS one, 6(8), e22974-e22974 (2011-08-31)
Pectobacterium species are necrotrophic bacterial pathogens that cause soft rot diseases in potatoes and several other crops worldwide. Gene expression data identified Pectobacterium carotovorum subsp. carotovorum budB, which encodes the α-acetolactate synthase enzyme in the 2,3-butanediol pathway, as more highly

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