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525-05-3

Name 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
CAS 525-05-3
EINECS(EC#) 208-369-1
Molecular Formula C10H5NNa2O8S2
MDL Number MFCD00003885
Molecular Weight 377.26
MOL File 525-05-3.mol
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Chemical Properties

Appearance YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER
Melting point  >300 °C(lit.)
solubility  Slightly soluble in methanol and ethanol.
form  Crystalline Powder
color  Yellow to orange
Water Solubility  almost transparency
Merck  14,6644
BRN  3643930
CAS DataBase Reference 525-05-3(CAS DataBase Reference)
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt (525-05-3)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
RTECS  QJ6480000
TSCA  Yes
HS Code  29089990

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