8.14085

Dehydroacetic acid sodium salt

for synthesis

• Sinônimo(s): Dehydroacetic acid sodium salt, 3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione sodium salt
• Fórmula empírica (Notação de Hill): C₈H₇NaO₄
• Número CAS: 4418-26-2
• Peso molecular: 190.13
• Número MDL: MFCD00040583
• Código UNSPSC: 12352107
• Número do índice EC: 224-580-1
• NACRES: NA.22

Propriedades

• Nível de qualidade: 200
• Formulário: powder
• temperatura de autoignição: 360 °C
• potência: 500 mg/kg LD₅₀, oral (Rat)
• pH: 8.8-9.3 (20 °C, 100 g/L in H₂O)
• pf: 280-285 °C
• solubilidade: 330 g/L
• densidade volumétrica: 500‑550 kg/m³
• temperatura de armazenamento: 2-30°C
• cadeia de caracteres SMILES: [Na+].O1C(=CC(=O)[C-](C1=O)C(=O)C)C
• InChI: 1S/C8H7O4.Na/c1-4-3-6(10)7(5(2)9)8(11)12-4;/h3H,1-2H3;/q-1;+1
• chave InChI: YIOCQGHBBNGBND-UHFFFAOYSA-N

Descrição

Aplicação

• 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).

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H302
• Declarações de precaução: P264 - P270 - P301 + P312 - P501
• Classificações de perigo: Acute Tox. 4 Oral
• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable