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85-83-6

Name Solvent Red 24
CAS 85-83-6
EINECS(EC#) 201-635-8
Molecular Formula C24H20N4O
MDL Number MFCD00003893
Molecular Weight 380.44
MOL File 85-83-6.mol

Chemical Properties

Appearance dark red to brown crystals or powder
Melting point  199 °C (dec.)(lit.)
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
Colour Index  26105
form  Powder/Solid
pka 13.52±0.50(Predicted)
color  Red Brown
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  23μg/L at 25℃
λmax 520 nm, 357 nm
Merck  14,8393
BRN  709018
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 2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl) azo]phenyl]azo]-(85-83-6)

Safety Data

Hazard Codes  Xi,T
Risk Statements 
Safety Statements 
WGK Germany  3
RTECS  QL5775000
TSCA  Yes
HazardClass  IRRITANT
HS Code  32129000
Safety Profile
Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Hazard Information

Material Safety Data Sheet(MSDS)

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