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8.00220

Chlorosulfonic acid

for synthesis

Synonym(s):

Chlorosulfonic acid, Sulfuric chlorohydrin, Chlorosulfuric acid

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About This Item

CAS Number:
7790-94-5
Molecular Weight:
116.53
UNSPSC Code:
12352100
EC Index Number:
232-234-6
NACRES:
NA.22
MDL number:
MFCD00011523
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vapor pressure

3.08 hPa ( 20 °C)

Quality Level

200

assay

≥97% (acidimetric)

form

liquid

pH

<1 (20 °C in H2O, Aqueous solution; rigorous decomposition)

pKa 

-6

bp

152 °C/1013 hPa (decomposition)

mp

-80 °C

density

1.75 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

[S](=O)(=O)(Cl)O

InChI

1S/ClHO3S/c1-5(2,3)4/h(H,2,3,4)

InChI key

XTHPWXDJESJLNJ-UHFFFAOYSA-N

General description

for synthesis

Application

Chlorosulfonic acid for synthesis. CAS 7790-94-5, pH < - 1 (H₂O, 20 °C) Aqueous solution,(rigorous decomposition).

Analysis Note

Assay (acidimetric)≥ 97.0 %Free SO₃≤ 1.0 %

pictograms

CorrosionSkull and crossbones
GHS05,GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH014

Storage Class

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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