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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:
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.

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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, 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
Yansheng Wang et al.
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
Sodium dehydroacetate: an emerging allergen.
Caterina Foti et al.
Dermatitis : contact, atopic, occupational, drug, 23(5), 243-243 (2012-09-27)
Luiz C Dias et al.
Journal of agricultural and food chemistry, 57(4), 1399-1405 (2009-01-28)
A short and efficient approach to a range of new chiral and achiral functionalized (E)-enaminopyran-2,4-diones starting with commercially available dehydroacetic acid is described. The phytotoxic properties of these (E)-enaminopyran-2,4-diones were evaluated by their ability to interfere with the growth of
T Hata et al.
British journal of obstetrics and gynaecology, 105(3), 360-361 (1998-04-09)
We studied the effect of dehydroepiandrosterone sulphate (DHAS) on placental blood flow in 11 women with an uncomplicated pregnancy between 37 and 39 weeks of gestation. Power Doppler enhancement of the placenta was performed before and 60 minutes after the
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