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HomeProduct name listPATENT BLUE V

PATENT BLUE V

Synonym(s):Acid Blue 3 calcium salt;Acid Blue V calcium salt;Food Blue 5;Patent Blue V hemicalcium salt

  • CAS NO.:3536-49-0
  • Empirical Formula: C27H34CaN2O7S2
  • Molecular Weight: 602.77
  • MDL number: MFCD00038746
  • EINECS: 222-573-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-19 15:17:17
PATENT BLUE V Structural

What is PATENT BLUE V?

The Uses of PATENT BLUE V

Patent Blue V (CAS# 3536-49-0) is a water-soluble food colouring. Patent Blue V has also been used as a standard for high-performance liquid chromatography-diode array detection for dating of paper ink. Dyes and metabolites, Environmental Testing

The Uses of PATENT BLUE V

double labeled product for electron microscopy and fluorescence research

Preparation

(a) 3-Nitrobenzaldehyde?and N,N-diethylbenzenamine (2 Moore) condensation, then reduction, then the amino diazotization and then translate into hydroxyl compound, and then two stlfonation, finally will product into calcium salt, and segregation and oxidation; (b)3-Hydroxybenzaldehyde and N,N-diethylbenzenamine (2 Moore) condensation, and then two stlfonation, into calcium salt and oxidation. The dyes can also be as sodium salting out.

Definition

ChEBI: C.I. Acid Blue 3 is a diarylmethane.

Flammability and Explosibility

Not classified

Properties and Applications

colourful green light blue. Soluble in cold water and hot water for the blue, soluble in ethanol for green light blue. The strong sulfuric acid for olive tan. In water solution to join sodium hydroxide low temperature discoloration, heat into deep purple.

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

Properties of PATENT BLUE V

Melting point: 200 °C
storage temp.  Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility  DMSO : 83.33 mg/mL (143.49 mM)
Colour Index  42051
form  neat
form  Solid
color  Brown to black
Water Solubility  20.98g/L at 20℃
BRN  4108121
EPA Substance Registry System Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, calcium salt (2:1) (3536-49-0)

Safety information for PATENT BLUE V

Computed Descriptors for PATENT BLUE V

InChIKey RTMBGDBBDQKNNZ-UHFFFAOYSA-L

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