Product show
2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone (BP-6)
Identification
Synonyms: Benzophenone-6; BP-6; Bis(2-hydroxy-4-methoxyphenyl)Methanone; 4,4'-Dimethoxy-2,2'-dihydroxybenzophenone; Cyasorb UV 12; NSC 40149; Seesorb 107; Uvinul 3049; Uvinul D 49
CAS No.: 131-54-4;
EC No.: 205-027-3
Molecular Weight: 274.27
Molecular Formula: C15H14O5
Structural Formula: 
:
Density: 1.291 g/cm3
Melting Point:133-136 ºC
Boiling Point: 439.3 ºC at 760 mmHg
Flash Point: 164.4 ºC
Solubility: in water negligible
Preparation
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Application
2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone （BP-6）is applied as UV absorber in resin, plastic and rubber
Specification*
| Benzophenone-6 Assay (HPLC) | 98.0% min. |
|---|---|
| Loss on drying | 0.50% max. |
| K value | 49 min. |
| Color (Gardner) | 4.0 max. |
| Transmittance 300-400nm Transmittance 450-550nm Transmittance 500nm |
1% max. 90％ min. 95％ min. |
| m.p. | 134°C min. |
| Appearance | Light yellow crystalline powder |
Standard Packaging
25kgs per fibre drum
Preserve under light-proof condition.
Risks and Safety Information
2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone (Benzophenone-6) is not regulated as hazardous substance by UN or US DOT
Risk Phrase: 36/37/38
Safety Phrase: 26-37/39-22