Synonyms:

1-((2-Methyl-4-((2-methylphenyl)azo)phenyl)azo)-2-naphthalenol;1-((4-(o-tolylazo)-o-tolyl)azo)-2-naphtho;1-((E)-(2-Methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl)diazenyl)-2-naphth;1-(4-(o-Tolylazo)-o-tolylazo)-2-naphthol;1-(4-o-tolylazo-o-tolylazo)-2-naphthol;1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthaleno;2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene;2’,3-dimethyl-4-(2-hydroxynaphthylazo)azobenzene

CAS:

85-83-6

MF:

C24H20N4O

MW:

380.44

EINECS:

201-635-8

Product Categories:

Solvents and Intermediates;Azo;Organics;Solvent Dyestuff;Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals

Mol File:

85-83-6.mol

Solvent Red 24 Chemical Properties

Boiling point

260°C

density

1.1946 (rough estimate)

vapor pressure

0Pa at 25℃

refractive index

1.6000 (estimate)

storage temp.

Flammables area

solubility

Insoluble in water; soluble in benzene, methanol, acetone, isopropanol; slightly soluble in ethanol

pka

13.52±0.50(Predicted)

Colour Index

26105

form

Powder/Solid

color

Red Brown

Water Solubility

23μg/L at 25℃

ε(extinction coefficient)

≥12000 at 356-360nm in toluene at 0.008g/L≥26000 at 519-523nm in toluene at 0.008g/L

λmax

520 nm, 357 nm

Merck

14,8393

BRN

709018

Stability:

Stable. Incompatible with strong oxidizing agents.

Biological Applications

Detecting atherosclerosis; diapers; skin care products; shampoos; hair colors; stents; dental impression materials

InChIKey

RCTGMCJBQGBLKT-PAMTUDGESA-N

LogP

6.66

IARC

3 (Vol. 8, Sup 7) 1987

NIST Chemistry Reference

O-tolylazo-o-tolylazo-beta-naphthol(85-83-6)

EPA Substance Registry System

C.I. Solvent Red 24 (85-83-6)