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98-37-3

Name 2-Aminophenol-4-sulfonic acid
CAS 98-37-3
EINECS(EC#) 202-662-8
Molecular Formula C6H7NO4S
MDL Number MFCD00149553
Molecular Weight 189.19
MOL File 98-37-3.mol

Chemical Properties

Appearance brown crystals
Melting point  ≥300 °C(lit.)
Boiling point  398.09℃[at 101 325 Pa]
density  1.5149 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.5500 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  powder to crystal
pka -0.81±0.50(Predicted)
color  Orange to Amber to Dark red
Stability: Stable. Incompatible with strong oxidizing agents, strong acids and strong bases.
Water Solubility  <0.1 g/100 mL at 21.5 ºC
BRN  514765
LogP -2.56 at 25℃
CAS DataBase Reference 98-37-3(CAS DataBase Reference)
EPA Substance Registry System 98-37-3(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2585 8/PG 3
WGK Germany  1
HS Code  2922.49.3700
HazardClass  8
PackingGroup  III

Hazard Information

Material Safety Data Sheet(MSDS)

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