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98-67-9

Name 4-Hydroxybenzenesulfonic acid
CAS 98-67-9
EINECS(EC#) 202-691-6
Molecular Formula C6H6O4S
MDL Number MFCD00007506
Molecular Weight 174.17
MOL File 98-67-9.mol

Chemical Properties

Appearance yellowish oily liquid
Melting point  52 °C
Boiling point  275.14°C (rough estimate)
density  1.337 g/mL at 25 °C
vapor pressure  69.8Pa at 20℃
refractive index  n20/D 1.489
form  Liquid
pka 9.11(at 25℃)
Specific Gravity 1.337
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Water Solubility  Soluble in water.
Merck  7246
BRN  1869034
InChIKey FEPBITJSIHRMRT-UHFFFAOYSA-N
CAS DataBase Reference 98-67-9(CAS DataBase Reference)
NIST Chemistry Reference Benzenesulfonic acid, 4-hydroxy-(98-67-9)
EPA Substance Registry System 98-67-9(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 2586 8/PG 3
WGK Germany  -
RTECS  DB6970000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29089990
Hazardous Substances Data 98-67-9(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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