8.00468

Benzenesulfonic acid

for synthesis

• Synonym(s): Benzenesulfonic acid, Phenylsulfonic acid
• Empirical Formula (Hill Notation): C₆H₆O₃S
• CAS Number: 98-11-3
• Molecular Weight: 158.18
• MDL number: MFCD00011689
• UNSPSC Code: 12352106
• EC Index Number: 202-638-7
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: ≥97.0% (acidimetric)
• form: solid
• potency: 1175 mg/kg LD₅₀, oral (Rat)
• pH: 2 (20 °C in H₂O, saturated solution)
• bp: 171 °C/0.13 hPa
• mp: 43 °C
• transition temp: flash point >100 °C
• solubility: 930 g/L
• density: 1.32 g/cm³ at 47 °C
• storage temp.: 2-30°C
• InChI: 1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
• InChI key: SRSXLGNVWSONIS-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Water (K. F.): ≤ 2.3 %
Sulfuric acid: ≤ 0.7 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H290 - H302 - H314
• pcodes: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1
• Storage Class: 8A - Combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: 212.0 °F
• flash_point_c: > 100 °C