30740
Dehydroacetic acid
≥98.0% (T)
Sinonimo/i:
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
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About This Item
Formula empirica (notazione di Hill):
C8H8O4
Numero CAS:
Peso molecolare:
168.15
Beilstein:
6129
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22
Prodotti consigliati
Livello qualitativo
Saggio
≥98.0% (T)
Stato
powder
P. ebollizione
270 °C (lit.)
Punto di fusione
111-113 °C (lit.)
Gruppo funzionale
ester
ketone
Stringa SMILE
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
PGRHXDWITVMQBC-UHFFFAOYSA-N
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Descrizione generale
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).
Avvertenze
Warning
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 4 Oral
Codice della classe di stoccaggio
13 - Non Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
314.6 °F
Punto d’infiammabilità (°C)
157 °C
Dispositivi di protezione individuale
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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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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