8.14085

Dehydroacetic acid sodium salt

for synthesis

• 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

Properties

• 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

Description

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).

Safety Information

• Pictograms: 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