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2425-85-6

Name Pigment Red 3
CAS 2425-85-6
EINECS(EC#) 219-372-2
Molecular Formula C17H13N3O3
MDL Number MFCD00003910
Molecular Weight 307.3
MOL File 2425-85-6.mol

Chemical Properties

Appearance red to orange powder
Melting point  270-272 °C(lit.)
Boiling point  447.81°C (rough estimate)
density  1.1873 (rough estimate)
refractive index  1.6500 (estimate)
solubility  Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly)
Colour Index  12120
form  neat
pka 13.45±0.50(Predicted)
Stability: Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
Water Solubility  211μg/L at 20℃
LogP 5.4 at 25℃
CAS DataBase Reference 2425-85-6(CAS DataBase Reference)
IARC 3 (Vol. 57) 1993
NIST Chemistry Reference 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
EPA Substance Registry System 2425-85-6(EPA Substance)

Safety Data

Hazard Codes  Xi,N
Risk Statements 
R41:Risk of serious damage to eyes.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  QK4247000
Hazardous Substances Data 2425-85-6(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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