Sodium dehydroacetate CAS#4418-26-2
Excellent Thermal and Light Stability: Demonstrates outstanding resistance to heat and light, maintaining chemical stability even under high-temperature conditions, such as heating in aqueous solution at 120°C for 2 hours.
High Purity and Reliable Quality: Produced through a spray-drying process with purity levels of ≥98% and low moisture content (≤2.6%), ensuring consistent and stable product performance.
Good Water Solubility and Compatibility: Easily soluble in water while showing limited solubility in organic solvents, making it suitable for various aqueous-based formulations.
Stable Physical and Chemical Properties: Features a neutral to slightly alkaline aqueous solution, high melting point of 190°C, and excellent overall stability for reliable application in different industries.
Product Description of Sodium Dehydroacetate (CAS# 4418-26-2)
Sodium dehydroacetate is a white or pale yellow substance that is odorless and tasteless. It is readily soluble in water yet sparingly soluble in organic solvents such as ethanol, with a melting point of 190°C.
This compound exhibits excellent resistance to light and heat. Even when its aqueous solution is heated at 120°C for 2 hours, it remains chemically stable. The aqueous solution of sodium dehydroacetate is neutral or slightly alkaline in nature.
Produced via a spray-drying process, the product takes the form of a powder with high purity (up to 98% or above) and low water content (≤ 2.6%). It features stable and reliable quality, ensuring consistent performance for various applications.
Parameters
Melting point | ~295 °C (dec.) |
density | 1.499[at 20℃] |
bulk density | 500-550kg/m3 |
vapor pressure | 0Pa at 25℃ |
storage temp. | Store below +30°C. |
solubility | 330g/l |
pka | 5.36[at 20 ℃] |
form | Powder |
color | White to yellow |
PH | 8.8-9.3 (100g/l, H2O, 20℃) |
Water Solubility | Soluble in water, propylene glycol and methanol. Insoluble in acetone and benzene. |
BRN | 4893653 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
InChIKey | ZPNRBQVNNIDJHX-UHFFFAOYSA-M |
LogP | -4.38 at 20℃ |
CAS DataBase Reference | 4418-26-2(CAS DataBase Reference) |
EPA Substance Registry System | 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione sodium (4418-26-2) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 22 |
Safety Statements | 24/25 |
WGK Germany | 1 |
RTECS | UP8225000 |
Autoignition Temperature | 360 °C |
TSCA | Yes |
HS Code | 29322980 |
Hazardous Substances Data | 4418-26-2(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: 500 mg/kg |
Product Application of Sodium Dehydroacetate (CAS# 4418-26-2)
Geogard 111S preservative, derived from dehydroacetic acid (DHA) in its sodium salt form (NaDHA), is globally approved by leading cosmetic, toiletry, and fragrance regulatory authorities for use in cosmetic and personal care formulations.



