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Merck

50296

Supelco

Schmelzpunktstandard 47-49°C

analytical standard

Synonym(e):

Benzophenon, Diphenylketon, Diphenylmethanon, NSC 8077

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About This Item

Lineare Formel:
(C6H5)2CO
CAS-Nummer:
Molekulargewicht:
182.22
Beilstein:
1238185
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
20121904
PubChem Substanz-ID:
NACRES:
NA.24

Qualität

analytical standard

Qualitätsniveau

Dampfdruck

1 mmHg ( 108 °C)

Haltbarkeit

limited shelf life, expiry date on the label

bp

305 °C (lit.)

mp (Schmelzpunkt)

47-49 °C (±0.3°C)
47-51 °C (lit.)

Anwendung(en)

food and beverages
pharmaceutical

Format

neat

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

InChIKey

RWCCWEUUXYIKHB-UHFFFAOYSA-N

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Allgemeine Beschreibung

Analytical standards such as melting point standard 47-49 °C, benzophenone facilitate the determination of identity or purity of chemical compounds. The mp value is measured as an average of 6 to 12 measurements with a Büchi B-545 instrument that is calibrated against primary standards. The melting point is determined by Capillary method, as described in European Pharmacopeia (2.2.14.).
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Anwendung

Benzophenone melting point standard 47-49 °C is a melting point calibration standard for use in physicochemical characterization.

Leistungsmerkmale und Vorteile

  • Traceable to primary standards from LGC, London
  • Grade: Analytical Standard
  • Melting point standardized in the thermodynamic mode of analysis
  • Standard deviation up to ± 0.3 °C
  • Available with certificates of analysis and safety data sheet

Piktogramme

Health hazard

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Liver,Kidney

Lagerklassenschlüssel

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

WGK

WGK 1

Flammpunkt (°F)

280.4 °F - closed cup

Flammpunkt (°C)

138 °C - closed cup

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves


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Die Dokumentenbibliothek aufrufen

Comparative toxicity related to metabolisms of benzophenone-type UV filters, potentially harmful to the environment and humans
Jeon, Hee-Kyung
Molecular & Cellular Toxicology (2017)
Real-time imaging of melting and crystallization in poly (ethylene oxide) by atomic force microscopy.
Pearce R and Vancso J G.
Polymer, 39(5), 1237-1242 (1998)
Green procedure for the preparation of scented alcohols from carbonyl compounds
Villa C, et al.
International Journal of Cosmetic Science (2008)
Masayuki Kyomoto et al.
Biomaterials, 34(32), 7829-7839 (2013-07-31)
We investigated the production of free radicals on a poly(ether-ether-ketone) (PEEK) substrate under ultraviolet (UV) irradiation. The amount of the ketyl radicals produced from the benzophenone (BP) units in the PEEK molecular structure initially increased rapidly and then became almost
Tao Zhang et al.
The Science of the total environment, 461-462, 49-55 (2013-05-29)
Limited information exists on the exposure of benzophenone (BP)-type UV filters (i.e., sunscreen compounds) in children, adults, and pregnant women in China. In this study, we determined the concentrations of five BP derivatives, BP-1, BP-2, BP-3, BP-8, and 4OH-BP in

Artikel

Separation of Acetaminophen, meets USP testing specifications, 98.0-102.0%, powder; Caffeine, meets USP testing specifications, anhydrous; Benzoic acid, meets USP testing specifications; Aspirin, meets USP testing specifications

Protokolle

HPLC Analysis of Benzoic Acid Derivatives on Ascentis® C18

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