Skip to Content
MilliporeSigma
All Photos(1)

Documents

8.00220

Sigma-Aldrich

Chlorosulfonic acid

for synthesis

Synonym(s):

Chlorosulfonic acid, Sulfuric chlorohydrin, Chlorosulfuric acid

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
Molecular Weight:
116.53
MDL number:
UNSPSC Code:
12352100
EC Index Number:
232-234-6

vapor pressure

3.08 hPa ( 20 °C)

Quality Level

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

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

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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

Customers Also Viewed

Slide 1 of 2

1 of 2

D-(+)-Glucose ACS reagent

Sigma-Aldrich

G5767

D-(+)-Glucose

Sulfuric acid ACS reagent, 95.0-98.0%

Sigma-Aldrich

258105

Sulfuric acid

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