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Naphthol AS Structure

Naphthol AS

Chemical Properties

Melting point 246-248 °C(lit.)
Boiling point 406.53°C (rough estimate)
Density  1.1138 (rough estimate)
refractive index  1.4500 (estimate)
storage temp.  Refrigerator
solubility  Insoluble in water; sparingly soluble in ethanol
Colour Index  37505
form  Powder
pka 9.70(at 25℃)
color  Beige
PH Range Non& uorescence (8.2) to yellow/green & uorescence (10.3)
λmax 394nm
Major Application Sensors, recording materials, photovoltaic cells, copying materials, photoreceptors, lithographic printing plates, inks, toner, paints, textiles, detecting cancer
CAS DataBase Reference 92-77-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII V3ZU6E76NB
EPA Substance Registry System 3-Hydroxy-2-naphthanilide (92-77-3)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H317-H319-H411
Precautionary statements P261-P264-P272-P273-P280-P302+P352+P333+P313+P363-P305+P351+P338+P337+P313-P391-P501
Hazard Codes  Xi,N
Risk Statements  43-51/53
Safety Statements  36/37-61
RIDADR  UN 3077 9/PG 3
WGK Germany  1
RTECS  QJ1897400
10-21
HazardClass  9
PackingGroup  III
HS Code  29242990
NFPA 704:
1
2 0

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Naphthol AS Chemical Properties,Usage,Production

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