2,3,4,4'-Tetrahydroxybenzophenone
- CAS NO.：31127-54-5
- Empirical Formula: C13H10O5
- Molecular Weight: 246.22
- MDL number: MFCD00083097
- EINECS: 202-110-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-29 18:03:56
What is 2,3,4,4'-Tetrahydroxybenzophenone ?
Chemical properties
Yellow powder
The Uses of 2,3,4,4'-Tetrahydroxybenzophenone
2,3,4,4'-Tetrahydroxybenzophenone can be used for positive resist composition.
Preparation
Preparation by benzoylation of pyrogallol with p-hydroxybenzoic acid in the presence of Amberlyst-15 in refluxing toluene for 21 h under azeotropical removal of water (86%).
Properties of 2,3,4,4'-Tetrahydroxybenzophenone
| Melting point: | 199-204°C |
| Boiling point: | 519.0±50.0 °C(Predicted) |
| Density | 1.526±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| pka | 7.38±0.40(Predicted) |
| color | Light yellow to Amber to Dark green |
| Water Solubility | 15.07g/L(24.99 ºC) |
| CAS DataBase Reference | 31127-54-5(CAS DataBase Reference) |
Safety information for 2,3,4,4'-Tetrahydroxybenzophenone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 2,3,4,4'-Tetrahydroxybenzophenone
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