Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Octabenzone
CAS Number: 1843-05-6
Alias: Benzophenone-12, 2,2',4,4'-Tetrahydroxyoctabenzophenone
Chemical Full Name: 2,2',4,4'-tetrahydroxyoctabenzophenone
Molecular Formula: C13H10O5
Molecular Weight: 246.22
EINECS: 217-421-5
Structural Information
- Structure Type: Benzophenone UV absorber fine chemical intermediate
- Structural Features: Dibenzophenone skeleton with multiple phenolic hydroxyl groups; strong ultraviolet absorption capacity for UV-A & UV-B segments; excellent light stabilization, anti-yellowing performance, good compatibility with plastics, coatings, cosmetics
- Characteristic: High-efficiency universal UV absorber, widely used polymer & sunscreen raw material
Physical & Chemical Properties
- Appearance: Light yellow crystalline powder
- Odor: Odorless
- Melting Point: 192–196 °C
- Solubility: Insoluble in water; soluble in ethanol, acetone, ethyl acetate, toluene, plasticizers; slightly soluble in aliphatic solvents
- Stability: Stable under normal sealed storage; phenolic hydroxyl structure resistant to UV degradation; discolors slightly under strong alkali; heat resistant under common plastic processing temperature
Synthesis & Applications
Production Method
Condensation reaction of phloroglucinol and octyl benzoate under acid catalysis, recrystallization purification.
Main Applications
- Plastic UV stabilizer: Additive for PE, PP, PVC, ABS, polyester to prevent aging, cracking and yellowing under sunlight
- Coating & ink additive: Light stabilizer for outdoor water-based/oil-based coatings, printing inks
- Cosmetic sunscreen raw material: UV absorbent for sunscreen cream, lotion, anti-photoaging skincare products
- Synthetic fiber finishing agent: Anti-UV finishing auxiliary for textile fabrics
Safety & Storage Instructions
GHS Hazard Classification
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation from dust inhalation
Personal Protection
Dust mask, chemical splash goggles, nitrile gloves; operate in ventilated workshop, avoid long-term dust exposure.
Storage Condition
Hermetically sealed PE lined cardboard drum, cool dry warehouse ≤30℃; isolate oxidants, avoid long-term strong sunlight irradiation.
Transportation
General fine chemical solid powder; moisture-proof packaging, separated from food goods.
Quality Specifications
- Purity (HPLC): ≥98.5%
- Loss on Drying: ≤0.3%
- Residue on Ignition: ≤0.1%
- Transmittance compliance with UV absorber standard
Information Summary Table
| Item | Specification |
| CAS Number | 1843-05-6 |
| Product Name | Octabenzone |
| Synonym | Benzophenone-12 |
| Molecular Formula | C13H10O5 |
| Molecular Weight | 246.22 |
| Appearance | Light yellow crystalline powder |
| Melting Point | 192–196℃ |
| Core Advantage | High-efficiency benzophenone UV absorber for plastics, coatings and sunscreen |
| Storage Rule | Sealed dry storage, away from oxidants and strong light |
| Hazard Property | Low toxicity, dust irritates skin, eyes and respiratory tract |
| Main Usage | Plastic anti-aging UV stabilizer, coating light stabilizer, cosmetic sunscreen raw material |
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