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30740

Sigma-Aldrich

Dehydroacetic acid

≥98.0% (T)

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Synonym(s):
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
Empirical Formula (Hill Notation):
C8H8O4
CAS Number:
Molecular Weight:
168.15
Beilstein/REAXYS Number:
6129
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98.0% (T)

form

powder

bp

270 °C (lit.)

mp

111-113 °C (lit.)

SMILES string

CC(=O)C1C(=O)OC(C)=CC1=O

InChI

1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

InChI key

PGRHXDWITVMQBC-UHFFFAOYSA-N

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1 of 4

This Item
PHR1582861951166309
Dehydroacetic acid ≥98.0% (T)

30740

Dehydroacetic acid

Dehydroacetic acid Pharmaceutical Secondary Standard; Certified Reference Material

PHR1582

Dehydroacetic acid

5-Sulfosalicylic acid dihydrate purum p.a., ≥98.0% (T)

86195

5-Sulfosalicylic acid dihydrate

Dehydroacetic acid United States Pharmacopeia (USP) Reference Standard

1166309

Dehydroacetic acid

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

-

mp

111-113 °C (lit.)

mp

111-113 °C (lit.)

mp

105-110 °C (lit.)

mp

111-113 °C (lit.)

bp

270 °C (lit.)

bp

270 °C (lit.)

bp

-

bp

270 °C (lit.)

form

powder

form

-

form

solid

form

-

General description

Dehydroacetic acid is one of the food additives found in red wine and was determined by ultra-fast liquid chromatography-tandem quadrupole mass spectrometry (UFLC-MS/MS).

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

314.6 °F

flash_point_c

157 °C

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Ségolène De Vaugelade et al.
Rapid communications in mass spectrometry : RCM, 32(11), 862-870 (2018-03-10)
The present work is devoted to the structural elucidation of by-products issued from the direct ultraviolet-visible (UV-vis) irradiation of dehydroacetic acid (DHA) in solution and in cosmetic emulsion. Analyses were carried out using gas chromatography coupled with ion trap mass
Xiao-Hong Chen et al.
Journal of chromatography. A, 1263, 34-42 (2012-10-10)
A novel and effective dispersive solid-phase extraction (dSPE) procedure with rapid magnetic separation using ethylenediamine-functionalized magnetic polymer as an adsorbent was developed. The new procedure had excellent clean-up ability for the selective removal of the matrix in red wine. An
Hiroko Kishi et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 48(3), 58-63 (2007-07-31)
A simple and rapid HPLC method was developed for the simultaneous determination of nine kinds of preservatives, benzoic acid (BA), sorbic acid (SOA), dehydroacetic acid (DHA), methyl p-hydroxybenzoate (PHBA-Me), ethyl p-hydroxybenzoate (PHBA-Et), isopropyl p-hydroxybenzoate (PHBA-isoPu), propyl p-hydroxybenzoate (PHBA-Pu), isobutyl p-hydroxybenzoate
Hui Zhang et al.
Journal of food science, 74(7), M418-M421 (2009-11-10)
Monolaurin is a nontraditional antimicrobial agent that possesses better antimicrobial activities but causes no health problems to consumers, but the use of monolaurin in the food industry as a preservative is still limited. Using a microtiter plate assay, the minimum
Joerg Gruenwald et al.
Advances in therapy, 21(3), 197-201 (2004-10-29)
This 12-week drug-monitoring study was conducted to evaluate the efficacy of Sanhelios Mussel Lyprinol Lipid Complex on 50 adult men and women with inflammatory rheumatoid arthritis. A total of 34 patients required drug therapy before and during the study. By

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