385980

Benzoesäureanhydrid

≥95%

• Synonym(e): Benzoyl anhydride, Benzoyl benzoate, Bis(phenylcarbonyl)ether
• Lineare Formel: (C₆H₅CO)₂O
• CAS-Nummer: 93-97-0
• Molekulargewicht: 226.23
• Beilstein: 516726
• EG-Nummer: 202-291-1
• MDL-Nummer: MFCD00003073
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24864062
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥95%
• Form: solid
• mp (Schmelzpunkt): 38-42 °C (lit.)
• Dichte: 1.199 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: anhydride; ester; phenyl
• SMILES String: O=C(OC(=O)c1ccccc1)c2ccccc2
• InChI: 1S/C14H10O3/c15-13(11-7-3-1-4-8-11)17-14(16)12-9-5-2-6-10-12/h1-10H
• InChIKey: CHIHQLCVLOXUJW-UHFFFAOYSA-N

Beschreibung

Anwendung

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 .

Sicherheitshinweise

• Piktogramme: GHS08,GHS05
• Signalwort: Danger
• H-Sätze: H315,H318,H372
• P-Sätze: P260 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P314
• Gefahreneinstufungen: Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation
• Zielorgane: Lungs
• Lagerklassenschlüssel: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flammpunkt (°F): 235.4 °F - closed cup
• Flammpunkt (°C): 113 °C - closed cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves