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427551

Sigma-Aldrich

Benzophenone

purified by sublimation, ≥99%

Synonym(s):

Diphenyl ketone, Diphenylmethanone, NSC 8077

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About This Item

Linear Formula:
(C6H5)2CO
CAS Number:
Molecular Weight:
182.22
Beilstein:
1238185
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

1 mmHg ( 108 °C)

Quality Level

Assay

≥99%

form

powder or crystals

purified by

sublimation

bp

305 °C (lit.)

mp

47-51 °C (lit.)

SMILES string

O=C(C1=CC=CC=C1)C2=CC=CC=C2

InChI

1S/C13H10O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H

InChI key

RWCCWEUUXYIKHB-UHFFFAOYSA-N

Gene Information

rat ... Ar(24208)

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General description

Benzophenone is an organic compound that can be prepared by the atmospheric oxidation of diphenyl methane with copper naphthenate catalyst. It can also be synthesized by the Friedel-Crafts acylation of benzene with benzoyl chloride.

Application

Benzophenone is mainly used as a photoinitiator molecule in a variety of 3D printing applications. It has a high quantum yield that makes it useful in the development of UV curable photopolymers.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Carc. 1B - STOT RE 2 Oral

Target Organs

Liver,Kidney

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

280.4 °F - closed cup

Flash Point(C)

138 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A three-component carboetherification of unactivated alkenes has been developed allowing the rapid building of complexity from simple starting materials. A wide range of α-substituted styrenes underwent smooth reactions with unactivated alkyl nitriles and alcohols to afford γ-alkoxy alkyl nitriles with

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