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30750

Sigma-Aldrich

Dehydroacetic acid sodium salt

≥98.0% (NT)

Synonym(s):

2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone sodium salt

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About This Item

Empirical Formula (Hill Notation):
C8H7NaO4
CAS Number:
4418-26-2
Molecular Weight:
190.13
Beilstein/REAXYS Number:
4893653
EC Number:
224-580-1
MDL number:
MFCD00040583
UNSPSC Code:
12352100
PubChem Substance ID:
57648479
NACRES:
NA.22

assay

≥98.0% (NT)

mp

~295 °C (dec.)

SMILES string

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

InChI

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

InChI key

ZPNRBQVNNIDJHX-UHFFFAOYSA-M

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General description

The kinetics of dehydroacetic acid sodium salt decomposition, in presence of formaldehyde and formaldehyde donors, was studied[1].

Application

Dehydroacetic acid sodium salt was used as a model preservative to study the relevant kinetic and formulation parameters of the device intended for the prolonged release of antimicrobial agents[2].

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBR5016V
BCBF0394V

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A Gazzaniga et al.
International journal of cosmetic science, 16(3), 105-112 (1994-06-01)
Synopsis The kinetics of decomposition of the sodium salt of dehydroacetic acid (DHA.Na) in presence of formaldehyde and formaldehyde donors was investigated. The possibility of preparing systems capable of providing the cosmetic preparation with increasing amounts of DHA.Na corresponding to
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
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.
Joerg Gruenwald et al.
Advances in therapy, 21(3), 197-201 (2004-10-29)
This 12-week drug-monitoring study was conducted to evaluate the efficacy of Sanhelios Mussel Lyprinol Lipid Complex on 50 adult men and women with inflammatory rheumatoid arthritis. A total of 34 patients required drug therapy before and during the study. By
[The significance of measurement of serum type IV 7S collagen on administration of DHA-S].
N Kanayama et al.
Nihon Sanka Fujinka Gakkai zasshi, 44(2), 239-240 (1992-02-01)
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