A naturally occurring cyclic ester of gluconic acid, widely used as a food additive and cosmetic ingredient.
A white crystalline powder with mild acidic properties, slowly hydrolyzing to gluconic acid in aqueous solution. It functions as a pH adjuster, chelating agent, and skin-conditioning agent with gentle exfoliating and moisturizing effects.
| Chemical Name | Glucono-Delta-Lactone |
| CAS Number Molecular Formula Molecular Weight | 90-80-2 C6H10O6 178.14 |
| Molecular Structure |  |
| Packing | Store in well-closed containers and hygienic conditions in a cool, dark place protected from light/oxidation |
| Capacity | 50MT/M |
| Storage | Stored at room temperature, tightly closed, in a dry cool place. |
| Application | After opening the original packing, the complete content should be used immediately. Material can be microbiologically contaminated from unhygienic environment. |
| Terms | Specifications |
| Appearance | Fine, White, Crystalline power odorless |
| Assay | 99.0~100.5% |
| Water (Karl Fischer method) | ≤0.5% |
| Reducing substances (as D-glucose) | ≤0.5% |
| Lead (Pb) | ≤4ppm |
| Solubility | Water soluble |
| Yeast Count | Max.100 cfu/g |
| Mould Count | Max.100 cfu/g |
| E. coli | Negative |
| Salmonella Detection | Not available at 25 g |
| Melting Point | 152℃±2℃ |
| Total Plate Count | Max.100 cfu/g |
| Standard | FCCV/ USP32 |
* The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The users are suggested to select the suitability of the products and methods of application.
Used in mild skin care preparations for gentle exfoliation, pH regulation, and improvement of skin texture.
Applied as a stabilizer and pH regulator in lyophilized cosmetic and pharmaceutical formulations.
Used in moisturizers, toners, and exfoliants to refine skin texture, enhance hydration, and maintain suitable product pH.
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