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98-11-3

Name Benzenesulfonic acid
CAS 98-11-3
EINECS(EC#) 202-638-7
Molecular Formula C6H6O3S
MDL Number MFCD00011689
Molecular Weight 158.18
MOL File 98-11-3.mol

Chemical Properties

Appearance green solid
Melting point  30-60 °C
Boiling point  137℃
density  1.32
vapor pressure  69.8Pa at 20℃
refractive index  1.5151 (estimate)
Fp  >230 °F
storage temp.  Store below +30°C.
solubility  H2O: soluble0.1g/10 mL, clear, colorless
form  Damp Crystalline Solid or Fused Mass
pka 0.7(at 25℃)
color  Yellow to light brown
PH 2 (H2O, 20℃)(saturated solution)
Stability: Stable. Incompatible with strong oxidizing agents, bases, many organic compounds.
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,1070
BRN  742513
InChIKey SRSXLGNVWSONIS-UHFFFAOYSA-N
CAS DataBase Reference 98-11-3(CAS DataBase Reference)
NIST Chemistry Reference Benzenesulfonic acid(98-11-3)
EPA Substance Registry System 98-11-3(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R22:Harmful if swallowed.
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) .
S36:Wear suitable protective clothing .
RIDADR  UN 2583 8/PG 2
WGK Germany  1
RTECS  DB4200000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29041000
Safety Profile
Poison by ingestion, sbn contact, and probably inhalation. A severe skin and eye irritant. See also SULFATES and SULFONATES.
Hazardous Substances Data 98-11-3(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1175 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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