2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
- CAS NO.：131-54-4
- Empirical Formula: C15H14O5
- Molecular Weight: 274.27
- MDL number: MFCD00009606
- EINECS: 205-027-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-09 10:17:04
What is 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone?
Chemical properties
Yellow crystalline powder
The Uses of 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
As ultraviolet light absorber, especially in paints, plastics.
Preparation
preparation by reaction of 2-hydroxy-4-methoxy-benzoic acid with resorcinol monomethyl ether in the presence of zinc chloride and phosphorous oxychloride at 7075° for 2.
Properties of 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
| Melting point: | 133-136 °C(lit.) |
| Boiling point: | 377.26°C (rough estimate) |
| Density | 1.2662 (rough estimate) |
| refractive index | 1.5000 (estimate) |
| storage temp. | 2-8°C(protect from light) |
| solubility | Chloroform (Slightly), Methanol (Slightly, Heated) |
| pka | 6.81±0.35(Predicted) |
| form | Solid |
| color | Pale Yellow to Light Yellow |
| Water Solubility | negligible |
| Merck | 14,1099 |
| BRN | 1887087 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 131-54-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone(131-54-4) |
| EPA Substance Registry System | Methanone, bis(2-hydroxy-4-methoxyphenyl)- (131-54-4) |
Safety information for 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
| InChIKey | SODJJEXAWOSSON-UHFFFAOYSA-N |
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