Benzoic anhydride
ALDRICH/385980 - ≥95%
Synonym: Benzoyl anhydride; Benzoyl benzoate; Bis(phenylcarbonyl)
CAS Number: 93-97-0
Empirical Formula (Hill Notation): C14H10O3
Molecular Weight: 226.23
EC Number: 202-291-1
MDL Number: MFCD00003073
Linear Formula: (C6H5CO)2O
Product Type: Chemical
| assay | ≥95% |
| density | 1.199 g/mL at 25 °C (lit.) |
| form | solid |
| functional group | anhydride |
| ester | |
| phenyl | |
| InChI | 1S/C14H10O3/c15-13(11-7-3 |
| InChI key | CHIHQLCVLOXUJW-UHFFFAOYSA |
| mp | 38-42 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | O=C(OC(=O)c1ccccc1)c2cccc |
| Application: | Benzoic anhydride can be used as a: • Condensation reagent in the synthesis of carboxylic esters from carboxylic acids and alcohols. • Coupling reagent in the synthesis of macrolactones. • Acylating reagent for acylating sulfonamides, amines, alcohols, and phenols using ZSM-5-SO3H as a catalyst. It can be also used as a reagent for the preparation of benzyl benzoate , benzylidene dibenzoate , 4-benzoyltoluene . |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() GHS05,GHS08 |
| Signal word | Danger |
| Hazard statements | H315 - H318 - H372 |
| Precautionary statements | P260 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P314 |
| Hazard Codes | Xi |
| Risk Statements | 37/38-41 |
| Safety Statements | 26-39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | 235.4 °F - closed cup |
| Flash Point(C) | 113 °C - closed cup |
| Purity | ≥95% |
| mp | 38-42 °C (lit.) |
| Density | 1.199 g/mL at 25 °C (lit.) |
| UNSPSC | 12352100 |



