30740
Dehydroacetic acid
≥98.0% (T)
Sinônimo(s):
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
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About This Item
Fórmula empírica (Notação de Hill):
C8H8O4
Número CAS:
Peso molecular:
168.15
Beilstein:
6129
Número CE:
Número MDL:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.22
Produtos recomendados
Nível de qualidade
Ensaio
≥98.0% (T)
forma
powder
pb
270 °C (lit.)
pf
111-113 °C (lit.)
grupo funcional
ester
ketone
cadeia de caracteres SMILES
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
chave InChI
PGRHXDWITVMQBC-UHFFFAOYSA-N
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Descrição geral
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).
Palavra indicadora
Warning
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 4 Oral
Código de classe de armazenamento
13 - Non Combustible Solids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
314.6 °F
Ponto de fulgor (°C)
157 °C
Equipamento de proteção individual
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
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Journal of food science, 75(6), M383-M388 (2010-08-21)
The peptide mixture from housefly pupae has broad spectrum antimicrobial activity but has not previously been reported as a food preservative. In this study, the preservation effects of a housefly pupae peptide mixture, nisin, and sodium dehydroacetate (DHA-S) on the
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A delivery device intended for the prolonged release of antimicrobial agents, able to enhance the stability profile of liquid/semi-solid cosmetic/pharmaceutical products for topical application, was proposed in the present study. With the aid of a simulation program based on compartment
Takashi Ohtsuki et al.
Food chemistry, 141(2), 1322-1327 (2013-06-26)
An absolute quantification method for the determination of dehydroacetic acid in processed foods using quantitative (1)H NMR was developed and validated. The level of dehydroacetic acid was determined using the proton signals of dehydroacetic acid referenced to 1,4-bis (trimethylsilyl) benzene-d4
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