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Naphthionic acid Structure

Naphthionic acid

Chemical Properties

Melting point ≥300 °C(lit.)
Boiling point 220°C (rough estimate)
Density  1.67
refractive index  1.5250 (estimate)
storage temp.  Store below +30°C.
solubility  Sparingly soluble in dichloromethane. Soluble in aqueous base.
pka pK1: 2.81 (25°C)
form  powder to crystal
color  White to Light yellow to Light red
Water Solubility  309.9mg/L(20 ºC)
Merck  14,6403
BRN  1971299
CAS DataBase Reference 84-86-6(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 8ZIK65C5CD
NIST Chemistry Reference 4-Amino-1-naphthalene sulfonic acid(84-86-6)
EPA Substance Registry System 4-Amino-1-naphthalenesulfonic acid (84-86-6)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H314
Precautionary statements P260-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  C
Risk Statements  34-22
Safety Statements  26-36/37/39-45-25
RIDADR  UN 2585 8/PG 3
WGK Germany  3
RTECS  QK1270000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29214500
NFPA 704:
0
3 0

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Naphthionic acid Chemical Properties,Usage,Production

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