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Key Documents

Safety Information

A13204

Sigma-Aldrich

4-Acetylbutyric acid

97%

Synonym(s):

5-Ketohexanoic acid

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About This Item

Linear Formula:
CH3CO(CH2)3CO2H
CAS Number:
Molecular Weight:
130.14
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

97%

form

liquid

refractive index

n20/D 1.4451 (lit.)

bp

274-275 °C (lit.)

mp

13-14 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

SMILES string

CC(=O)CCCC(O)=O

InChI

1S/C6H10O3/c1-5(7)3-2-4-6(8)9/h2-4H2,1H3,(H,8,9)

InChI key

MGTZCLMLSSAXLD-UHFFFAOYSA-N

Related Categories

Application

4-Acetylbutyric acid may be used in the preparation of the following compounds:
  • 5-hydroxyhexanoic acid
  • 6-methyl1-3,4-dihydro-pyran-2-one, precursor for 5-acetyl-tetrahydro-2-(3H)-furanone
  • substituted N-aminolactams
  • (±)-5-methyl-δ-valerolactone

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Identification of 5-hydroxyhexanoic acid, 4-hydroxyheptanoic acid and 4-hydroxyoctanoic acid as new constituents of bacterial polyhydroxyalkanoic acids.
Valentin HE, et al.
Applied Microbiology and Biotechnology, 46(3), 261-267 (1996)
Proline-like β-turn mimics accessed via Ugi reaction involving monoprotected hydrazines.
Krasavin M, et al.
Tetrahedron Letters, 51(10), 1367-1370 (2010)
(2S, 6S, 8S)-2, 8-Dimethyl-1, 7-dioxaspiro [5.5] undecane: A natural spiroacetal lacking anomeric stabilisation
Chen J, et al.
Tetrahedron Asymmetry, 6.4, 967-972 (1995)
Jie Yao et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 79(11), 2195-2202 (2019-07-19)
The monoterpene alcohol α-terpineol is extensively used as the foaming agent in mineral processing and can be released to environment along with the wastewater. This study evaluated the feasibility of eliminating α-terpineol in water by ultraviolet irradiation (UV) in combination
A versatile and concise route to functionally substituted ?-butyrolactones and spiro-XXX-butyrolactones (lactone annelation)
Mandal AK and Jawalkar DG
Tetrahedron Letters, 27.1, 99-100 (1986)

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