Skip to Content
Merck
CN

8.00220

Chlorosulfonic acid

for synthesis

Synonym(s):

Chlorosulfonic acid, Sulfuric chlorohydrin, Chlorosulfuric acid

Sign In to View Organizational & Contract Pricing.

Select a Size


About This Item

CAS Number:
Molecular Weight:
116.53
UNSPSC Code:
12352100
EC Index Number:
232-234-6
NACRES:
NA.22
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

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

vapor pressure

3.08 hPa ( 20 °C)

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

Quality Level

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

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

supp_hazards

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

Regulatory Information

新产品
This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service