PATENT BLUE V Chemical Properties

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 

Solid

color 

Brown to black

Water Solubility 

20.98g/L at 20℃

BRN 

4108121

InChIKey

RTMBGDBBDQKNNZ-UHFFFAOYSA-L

LogP

-1.99 at 25℃

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

Hazard Codes 

Xn

Risk Statements 

40

Safety Statements 

22-24/25

WGK Germany 

3

RTECS 

KH2752000

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

PATENT BLUE V Usage And Synthesis

Uses

double labeled product for electron microscopy and fluorescence research

Uses

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

Definition

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

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.

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.

PATENT BLUE V(3536-49-0)Related Product Information

• Acid blue 1
• ACID BLUE 1
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• dihydrogen bis[(benzyl)[4-[[4-(benzylethylamino)phenyl](5-hydroxy-2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium], calcium salt
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