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2-Aminotoluene-5-sulfonic acid Structure

2-Aminotoluene-5-sulfonic acid

Chemical Properties

Melting point 290°C
Density  1.3553 (rough estimate)
refractive index  1.6100 (estimate)
pka pK1: 3.125 (25°C)
form  powder
color  Faint beige to faint red/orange
Water Solubility  5g/L(20 ºC)
LogP 0.076 at 25℃
CAS DataBase Reference 98-33-9(CAS DataBase Reference)
FDA UNII ET833CB2KU
EPA Substance Registry System Benzenesulfonic acid, 4-amino-3-methyl- (98-33-9)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  T
Risk Statements  45-34
Safety Statements  53-26-36/37/39-45
RIDADR  2811
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  2921420090
NFPA 704:
0
2 0

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