8.14085

Dehydroacetic acid sodium salt

for synthesis

• Sinonimo/i: Dehydroacetic acid sodium salt, 3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione sodium salt
• Formula empirica (notazione di Hill): C₈H₇NaO₄
• Numero CAS: 4418-26-2
• Peso molecolare: 190.13
• Numero MDL: MFCD00040583
• Codice UNSPSC: 12352107
• Numero indice EU: 224-580-1
• NACRES: NA.22

Proprietà

• Livello qualitativo: 200
• Forma fisica: powder
• Temp. autoaccensione: 360 °C
• Potenza: 500 mg/kg LD₅₀, oral (Rat)
• pH: 8.8-9.3 (20 °C, 100 g/L in H₂O)
• Punto di fusione: 280-285 °C
• Solubilità: 330 g/L
• Densità bulk: 500‑550 kg/m³
• Temperatura di conservazione: 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; YIOCQGHBBNGBND-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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).

Informazioni sulla sicurezza

• Pittogrammi: GHS07
• Avvertenze: Warning
• Indicazioni di pericolo: H302
• Consigli di prudenza: P264 - P270 - P301 + P312 - P501
• Classi di pericolo: Acute Tox. 4 Oral
• Codice della classe di stoccaggio: 13 - Non Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable