1. Product Information
Product Name Sodium Dehydroacetate
CAS No. 4418-26-2
INCI Name Sodium Dehydroacetate
EINECS No. 224-580-1
E Number E266
Molecular Formula C₈H₇NaO₄
Molecular Weight 190.13Appearance White or nearly white crystalline powder, odorless
2. Chemphysical Properties
Solubility Freely soluble in water; soluble in glycerin, propylene glycol; slightly soluble in ethanol
pH (1% aqueous solution) 8.0‑9.0
Decomposition Point ≈295 °CHeat Resistance Good thermal stability, active after high‑temperature sterilization
Effective pH Range 3.0-9.0
Volatility Non-volatile, no residual odor
3. Quality Specification (FCC / GB25547-2010)
| Test Item | Specification |
|---|---|
| Assay (Dry Basis) | 98.0%‑100.5% |
| Moisture Content | 8.5%‑10.0% |
| Free Alkalinity | Passes test |
| Chloride (Cl) | ≤0.011% |
| Heavy Metals (Pb) | ≤2 mg/kg |
| Arsenic (As) | ≤3 mg/kg |
4. Application & Use
Food: Preservative for bakery, sauces, pickles, meat products, beverages, suppress mold and yeast to extend shelf-life, fit for high‑temperature processing.
Cosmetic & Personal Care: Preservative for cream, lotion, shampoo, wet wipes; compatible with most cosmetic raw materials.
Feed: Antifungal preservative for animal feed.
6. Packing, Delivery & Storage
Packing: 25 kg kraft paper bag / fiber drum with inner PE bag; custom packing available.
Delivery: Samples available, bulk stock for fast shipment.
Storage: Keep sealed, cool dry ventilated warehouse; avoid sunlight, heat and moisture.
Shelf-life: 24 months under proper conditions.
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