8.45127

Chlorosulfuric acid

≥98% (acidimetric)

• Synonym(s): Chlorosulfonic acid, Chlorosulfuric acid
• CAS Number: 7790-94-5
• Molecular Weight: 116.53
• MDL number: MFCD00011523
• UNSPSC Code: 12352100
• EC Index Number: 232-234-6

Properties

• product name: Chlorosulfonic acid, Msynth^™plus
• vapor pressure: 3.08 hPa ( 20 °C)
• assay: ≥98% (acidimetric)
• form: liquid
• potency: 50 mg/kg LD₅₀, oral (Rat)
• pH: <1 (20 °C in H₂O, Aqueous solution; rigorous decomposition)
• bp: 152 °C/1013 hPa (decomposition)
• mp: -80 °C
• density: 1.75 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/ClHO3S/c1-5(2,3)4/h(H,2,3,4)
• InChI key: XTHPWXDJESJLNJ-UHFFFAOYSA-N

Description

General description

Msynth^™plus

Application

Chlorosulfonic acid Msynth^™plus. CAS 7790-94-5, pH < - 1 (H₂O, 20 °C) Aqueous solution,(rigorous decomposition).

Analysis Note

Colour (visual)colourlessAppearance of substance (visual)clearAssay (acidimetric)≥ 98.0 %Free SO₃≤ 1.0 %The analysis of residual solvents is not possible due to the physicochemical properties of the material.

Legal Information

MSYNTH is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05,GHS06
• signalword: Danger
• hcodes: H314 - H330 - H335
• pcodes: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Inhalation - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• target_organs: Respiratory system
• supp_hazards: EUH014
• Storage Class: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 1
• flash_point_c: Not applicable