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Melting point standard 283-286°C

analytical standard

Synonyme(s) :

Anthraquinone

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About This Item

Formule empirique (notation de Hill):
C14H8O2
Numéro CAS:
Poids moléculaire :
208.21
Numéro Beilstein :
390030
Numéro CE :
Numéro MDL:
Code UNSPSC :
20121904
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

Densité de vapeur

7.16 (vs air)

Pression de vapeur

1 mmHg ( 190 °C)

Durée de conservation

limited shelf life, expiry date on the label

Point d'ébullition

379-381 °C (lit.)

Pf

283-286 °C (±0.3°C)
284-286 °C (lit.)

Application(s)

food and beverages
pharmaceutical

Format

neat

Chaîne SMILES 

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

Clé InChI

RZVHIXYEVGDQDX-UHFFFAOYSA-N

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Description générale

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.

Caractéristiques et avantages

  • 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

Pictogrammes

Health hazardExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Carc. 1B - Skin Sens. 1

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

482.0 °F - closed cup

Point d'éclair (°C)

250 °C - closed cup

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Certificats d'analyse (COA)

Lot/Batch Number

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H(2)O(2) mediated oxidation of alcohols in ionic liquid is revisited, wherein, ionic liquids under the influence of microwave irradiation have been found to facilitate activation of H(2)O(2) without any metal catalyst in aqueous condition. The method utilizes a neutral ionic
C Ma et al.
Journal of applied microbiology, 112(5), 883-891 (2012-03-06)
To isolate an alkaliphilic bacterium and to investigate its ability of extracellular reduction. An alkaliphilic and halotolerant humus-reducing anaerobe, Bacillus pseudofirmus MC02, was successfully isolated from a pH 10·0 microbial fuel cell. To examine its ability of extracellular reduction, AQDS
Hai-Yu Hu et al.
Organic letters, 10(21), 5035-5038 (2008-10-11)
The first selective catalytic hydrogenation induced by the artificial helix based on oligo(phenanthroline dicarboxamide)s containing a 9,10-anthraquinone subunit is described. Due to the steric hindrance within the helically folded oligomers, the selective reductions of the anthraquinone units were completely different
Leila Qasemian et al.
Chemosphere, 84(10), 1321-1328 (2011-06-15)
Mediterranean coastal ecosystems are known to be highly subject to natural and anthropic environmental stress. In this study, we examine the effects of anthracene as a common pollutant on the total microbial communities from a Pinus halepensis litter of a

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