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
Formulário:
powder
Ensaio:
≥98.0% (T)
Produtos recomendados
Nível de qualidade
Ensaio
≥98.0% (T)
Formulário
powder
p.e.
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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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 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
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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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European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 75(2), 291-296 (2010-03-23)
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
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