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1-Diazo-2-naphthol-4-sulfonic acid Structure

1-Diazo-2-naphthol-4-sulfonic acid

Chemical Properties

Melting point 160 °C (dec.)(lit.)
Boiling point 160 C
Density  1.5366 (rough estimate)
refractive index  1.6800 (estimate)
storage temp.  Flammables area
form  powder
color  Light yellow to Brown
Water Solubility  15.8 g/L (20 ºC)
CAS DataBase Reference 887-76-3(CAS DataBase Reference)
EPA Substance Registry System 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt (887-76-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H228-H314
Precautionary statements P210-P240-P260-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  F,C
Risk Statements  5-11-34
Safety Statements  16-26-36/37/39-45-48
RIDADR  UN 2925 4.1/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  4.1
PackingGroup  III
HS Code  29270000
NFPA 704:
2
3 0

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1-Diazo-2-naphthol-4-sulfonic acid Chemical Properties,Usage,Production

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