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Merck
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Documenti fondamentali

689424

Sigma-Aldrich

Dehydroacetic acid

Arxada quality, 98.0-101.0 % (w/w) (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):
C8H7NaO4 · H2O
Numero CAS:
Peso molecolare:
208.14
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22

Stato

powder

Qualità

Arxada quality

Produttore/marchio commerciale

Arxada AG

Concentrazione

98.0-101.0 % (w/w) (T)

Impurezze

8.2-9.5 % (w/w) water (Karl Fischer)

Stringa SMILE

O.[Na+].CC(=O)C1=C([O-])C=C(C)OC1=O

InChI

1S/C8H8O4.Na.H2O/c1-4-3-6(10)7(5(2)9)8(11)12-4;;/h3,10H,1-2H3;;1H2/q;+1;/p-1
XBTXRILZQWUAPE-UHFFFAOYSA-M

Pittogrammi

Exclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Oral

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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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
[Influence of various steroid hormones on prostaglandin E2 metabolism in the smooth muscles of the human uterus--special reference to isolation and activity of 15 hydroxy prostaglandin dehydrogenase and 9 keto reductase].
M Oku et al.
Nihon Heikatsukin Gakkai zasshi, 25(6), 254-257 (1989-12-01)
E M Tjiou et al.
Magnetic resonance in chemistry : MRC, 43(7), 557-562 (2005-04-30)
The reaction between o-phenylenediamines, dehydroacetic acid and aromatic aldehydes is shown to give not only the expected 1,5-benzodiazepine derivative but also a 3,4-dihydroquinoxaline, the structure of which was determined by its 1H and 13C 1D and 2D NMR spectra.
K I Eller et al.
Voprosy pitaniia, 75(6), 72-78 (2007-02-23)
HPLC method of determination of dehydroacetic acid and its sodium salt in food products and polymeric packing materials has been developed. The migration of DGA from food-contacting materials to food matrix has been investigated.
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

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Recensioni

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