

Erythrulose(DHB) with CAS 533-50-6
What Is Erythrulose(DHB)?
Erythrulose (CAS 533-50-6) is a natural, plant-derived ketose monosaccharide derived from red raspberries. It is a water-soluble self-tanning active widely used in cosmetic and personal care formulations as a safe, effective alternative to conventional tanning agents.
It reacts with the free amino acids in the outermost layer of skin (stratum corneum) through the Maillard reaction, producing a natural-looking, golden-brown tan that develops gradually over 24–72 hours. Unlike DHA alone, Erythrulose produces a longer-lasting, more even color.
Runtai Chemical supplies cosmetic-grade Erythrulose in bulk quantities, with strict quality control and documentation for global export compliance.
Runtai Chemical is a professional and reliable China manufacturer of Erythrulose with CAS 533-50-6 with higher purity and lower price. If you are interested in our Erythrulose, PLS free to contact us for a free sample!
Product Advantages
- Even, Natural Tan: Produces a gradual, golden-bronze color with reduced streaking. Combined with DHA, it extends tan longevity and improves color uniformity.
- Skin-Safe & Gentle: Non-irritating, non-sensitizing, and suitable for sensitive skin types. No cytotoxicity at recommended use concentrations (1–5%).
- Synergy with DHA: When combined with DHA, Erythrulose produces a complementary tanning effect — faster onset with DHA, longer duration with Erythrulose.
- Formulation Flexibility: Water-soluble and compatible with a wide range of cosmetic ingredients. Suitable for lotions, sprays, gels, mousses, wipes, and serums.
Erythrulose Quick Details
- Chemical Name: Erythrulose
- CAS No.:533-50-6
- Molecular Formula: C4H8O4
- Molecular weight:120.1
- Appearance: High Viscosity Yellow Liquid
- Synonyms:L-(+)-Erythrulose;(3S)-1,3,4-trihydroxybutan-2-one;L-(+)-erythrulose hydrate;(3S)-1,3,4-Trihydroxy-2-butanone;(S)-1,3,4-Trihydroxy-2-butanone;L-glycero-2-Tetrulose;C02045;L-Glycero-tetrulose
Erythrulose Typical Properties
| Appearance | Yellow, High-Viscosity Liquid | Conforms |
| pH Value (5%, Water) | 2.0-3.5 | 3.34 |
| Assay | ≥76% | 80.6% |
| Total Nitrogen | ≤0.1% | Conforms |
| Residue on Ignition | ≤1.5% | Conforms |
| Heavy Metals | ≤ 20 ppm | Conforms |
| Microorganisms | ≤ 100 cfu/g | Conforms |
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Erythrulose Applications
- Sunless Tanning Lotions & Creams: Most common application. Used at 1–3% alone or 0.5–2% in combination with DHA for gradual, streak-free tanning results.
- Self-Tanning Sprays & Mousses: Ideal for spray-on tanning products due to its excellent water solubility and compatibility with aerosol-friendly formulations.
- Tanning Wipes & Towelettes: Used in single-use self-tanning wipe formats for convenient application and controlled dosing.
- Gradual Tanning Moisturizers: Added to daily moisturizers at low concentrations (0.5–1%) for subtle, buildable color over multiple applications.
- After-Sun Products: Incorporated into after-sun lotions to extend and maintain an existing tan while soothing sun-exposed skin.
Erythrulose Package & Storage
- Package:25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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