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85-86-9

Name Solvent Red 23
CAS 85-86-9
EINECS(EC#) 201-638-4
Molecular Formula C22H16N4O
MDL Number MFCD00003905
Molecular Weight 352.39
MOL File 85-86-9.mol
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Chemical Properties

Appearance reddish brown powder
Melting point  199 °C (dec.)(lit.)
Boiling point  486.01°C (rough estimate)
density  1.2266 (rough estimate)
refractive index  1.6620 (estimate)
storage temp.  Amber Vial, Refrigerator
solubility  Insoluble in water; soluble in benzene, chloroform; moderately soluble in acetone, ether, petroleum ether; slightly soluble in ethanol, xylene
Colour Index  26100
form  Powder
pka 13.45±0.50(Predicted)
color  Red-brown
Stability: Stable. Incompatible with strong oxidizing agents.
λmax 507 nm, 354 nm
Merck  14,8884
BRN  2016384
Biological Applications Antiseptic; preventing prostate cancer; medical devices; dental impression materials
Contact allergens
Solvent Red 23 is an oil-soluble red azo-dye used in cosmetic products in Japan. Cases were reported in hairdressers, who also reacted to PPD (the molecule is likely to be hydrolyzed into PPD) and to p-aminoazobenzene. One case of contact dermatitis was reported in the metal industry.
InChIKey FHNINJWBTRXEBC-HXEHWPEMSA-N
LogP 5.740 (est)
CAS DataBase Reference 85-86-9(CAS DataBase Reference)
IARC 3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System 85-86-9(EPA Substance)
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Safety Data

Hazard Codes  Xi
Risk Statements 
R10:Flammable.
R20:Harmful by inhalation.
R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany  3
RTECS  QK4250000
TSCA  Yes
HS Code  32129000
Safety Profile
Poison by intraperitoneal route. Moderately toxic by subcutaneous and intrapleural routes. Questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Toxicity
cyt-ham:ovr 20 mmol/L/5H-C ENMUDM 1,27,79

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