30740
Dehydroacetic acid
≥98.0% (T)
Sinónimos:
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
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Fórmula empírica (notación de Hill):
C8H8O4
Número CAS:
Peso molecular:
168.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-293-9
Beilstein/REAXYS Number:
6129
MDL number:
Assay:
≥98.0% (T)
Form:
powder
Servicio técnico
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Permítanos ayudarleQuality Level
assay
≥98.0% (T)
form
powder
bp
270 °C (lit.)
mp
111-113 °C (lit.)
functional group
ester, ketone
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
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
wgk
WGK 1
flash_point_f
314.6 °F
flash_point_c
157 °C
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Clase de almacenamiento
11 - Combustible Solids
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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
Yuka Sakaguchi et al.
Journal of applied toxicology : JAT, 28(4), 524-529 (2007-10-18)
Sodium dehydroacetate (DHA-S) is used as a food additive, preservative and antimicrobial agent. Repeated oral administration of DHA-S in rats induced severe hemorrhage in multiple organs and prolongation of blood coagulation factors. To determine the mechanism of hemorrhage, the protective