Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: 2,4-Dihydroxybenzophenone
Alias: Benzophenone-1; BP-1; 2,4-DHB
CAS No. : 131-56-6
EINECS No. : 205-029-4
Molecular Formula: C13H10O3
Molecular Weight: 214.21 g/mol
Classification: UV absorber; Benzophenone light stabilizer; Cosmetic raw material; Plastic additive
Physical & Chemical Properties
Appearance: Light yellow crystalline powder
Odor: Slight characteristic odor
Melting Point: 144–146 °C
Solubility: Insoluble in water; soluble in ethanol, methanol, acetone, ethyl acetate and organic solvents
Stability: Good UV absorption performance; stable at normal temperature; light and heat resistant
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | 2,4-Dihydroxybenzophenone | — | BP-1 UV absorber |
| CAS Number | 131-56-6 | — | Industrial / Cosmetic grade |
| Appearance | Light yellow crystalline powder | — | Fine crystal powder |
| Molecular Formula | C13H10O3 | — | Digital form |
| Molecular Weight | 214.21 | g/mol | — |
| Purity | ≥99.0 | % | HPLC |
Main Uses
- Efficient UV absorber, mainly absorbs UV-A and UV-B band.
- Widely used in plastics, coatings, rubber, resins to prevent aging and yellowing.
- Applied in cosmetics and daily chemical products as sunscreen additive.
- Used as light stabilizer for polymer materials, lubricants and synthetic fiber products.
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