30740
Dehydroacetic acid
≥98.0% (T)
Synonym(s):
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
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About This Item
Empirical Formula (Hill Notation):
C8H8O4
CAS Number:
Molecular Weight:
168.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-293-9
Beilstein/REAXYS Number:
6129
MDL number:
Product Name
Dehydroacetic acid, ≥98.0% (T)
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
assay
≥98.0% (T)
form
powder
bp
270 °C (lit.)
mp
111-113 °C (lit.)
functional group
ester
ketone
Quality Level
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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).
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
13 - Non Combustible Solids
wgk
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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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
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
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
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
Yumei Zhang et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 29(6), 918-924 (2012-03-08)
A high-performance liquid chromatography (HPLC) method was developed to determine dehydroacetic acid (DHA) residues in chicken muscle, liver and kidney. DHA was extracted using acetonitrile, and clean-up performed using a strong anion exchange (PAX) SPE column. The cleaned-up samples were
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