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8.14085

Sigma-Aldrich

Dehydroacetic acid sodium salt

for synthesis

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Synonym(s):
Dehydroacetic acid sodium salt, 3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione sodium salt
Empirical Formula (Hill Notation):
C8H7NaO4
CAS Number:
4418-26-2
Molecular Weight:
190.13
MDL number:
MFCD00040583
UNSPSC Code:
12352107
EC Index Number:
224-580-1
NACRES:
NA.22

Quality Level

200

form

powder

autoignition temp.

360 °C

potency

500 mg/kg LD50, oral (Rat)

pH

8.8-9.3 (20 °C, 100 g/L in H2O)

mp

280-285 °C

solubility

330 g/L

bulk density

500‑550 kg/m3

storage temp.

2-30°C

InChI

1S/C8H7O4.Na/c1-4-3-6(10)7(5(2)9)8(11)12-4;/h3H,1-2H3;/q-1;+1

InChI key

YIOCQGHBBNGBND-UHFFFAOYSA-N

Application

  • Preservative in food products: The study "Simultaneous determination of nine preservatives in food by liquid chromatography with the aid of coagulant in the clean-up process" highlights the use of Dehydroacetic acid sodium salt as a preservative in food, detailing its effectiveness and detection methodologies (Sugiura and Nakajima, 2017).
  • Active packaging in cosmetics: Research on "Active packaging for topical cosmetic/drug products: a hot-melt extruded preservative delivery device" discusses the application of Dehydroacetic acid sodium salt in cosmetic packaging, providing a controlled release mechanism to enhance product stability and efficacy (Zema et al., 2010).
  • Stability in cosmetic preservatives: The article "Dehydroacetic acid sodium salt stability in cosmetic preservative mixtures" investigates its stability within cosmetic formulations, offering insights into its role and longevity in various preservative systems (Bennassi et al., 1988).

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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