Merck
CN
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67372

Supelco

Melting point standard 283-286°C

analytical standard

Synonym(s):
Anthraquinone, ATQ
Empirical Formula (Hill Notation):
C14H8O2
CAS Number:
Molecular Weight:
208.21
Beilstein:
390030
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

vapor density

7.16 (vs air)

vapor pressure

1 mmHg ( 190 °C)

shelf life

limited shelf life, expiry date on the label

bp

379-381 °C (lit.)

mp

283-286 °C (±0.3°C)
284-286 °C (lit.)

application(s)

food and beverages
pharmaceutical

format

neat

SMILES string

O=C1c2ccccc2C(=O)c3ccccc13

InChI

1S/C14H8O2/c15-13-9-5-1-2-6-10(9)14(16)12-8-4-3-7-11(12)13/h1-8H

InChI key

RZVHIXYEVGDQDX-UHFFFAOYSA-N

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General description

Melting point standard 283-286 °C, anthraquinone is an analytical standard, suitable for the day-to-day calibration of melting point apparatus to guarantee its accuracy, in accordance with local, national and international standards laboratories.
The mp value is recorded as an average of 6 to 12 measurements with a Büchi B-545 equipment that is calibrated against primary standards. Melting point is determined by Capillary method, as described in Ph. Eur. 2.2.14.

Application

Anthraquinone melting point standard 283-286 °C is an mp standard used for physicochemical characterization.
This product also features as a reference standard in thermal property investigations.

Features and Benefits

  • Melting point calibration standard traceable to primary standards (LGC, London)
  • Grade: Analytical Standard
  • Melting point validated in the thermodynamic mode of analysis
  • Standard deviation up to ± 0.3 °C
  • Available with certificates of analysis and safety data sheet

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 1B - Skin Sens. 1

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

482.0 °F - closed cup

Flash Point(C)

250 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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