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

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
InChI InChI=1S/C10H7NO8S2.Na.H/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);;
InChIKey YSJIUHZRNBXDKS-UHFFFAOYSA-N
SMILES N(C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=O.[NaH]
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

Hazard Information

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