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HomeProduct name listCROCEIN SCARLET 7B

CROCEIN SCARLET 7B

Synonym(s):Acid Red 71

  • CAS NO.:6226-76-2
  • Empirical Formula: C24H18N4Na2O7S2
  • Molecular Weight: 584.53
  • MDL number: MFCD00056588
  • EINECS: 612-981-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
CROCEIN SCARLET 7B Structural

What is CROCEIN SCARLET 7B?

The Uses of CROCEIN SCARLET 7B

Crocein Scarlet 7B is used in Crowle’s reagent. The reagent is needed for observing latent fingerprints, particularly bloody prints. Dyes and metabolites.

What are the applications of Application

Crocein Scarlet 7B is used in hematology and histology

Preparation

2′,3-Dimethyl-4-amino-4′-sulfoazobenzene?diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for product red, soluble in ethanol for red orange. The strong sulfuric acid for blue, pink is diluted. In water solution to join strong hydrochloric acid for product red; Add thick sodium hydroxide solution for shallow red sauce.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 2-3 2-3 2 1 2-3

Properties of CROCEIN SCARLET 7B

Melting point: 181-188℃
form  Powder
Colour Index  27165
Water Solubility  Soluble in water

Safety information for CROCEIN SCARLET 7B

Computed Descriptors for CROCEIN SCARLET 7B

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