571024
Chlorosulfonic acid
99%
Synonym(s):
Sulfuric chlorohydrin
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About This Item
Product Name
Chlorosulfonic acid, 99%
InChI key
XTHPWXDJESJLNJ-UHFFFAOYSA-N
InChI
1S/ClHO3S/c1-5(2,3)4/h(H,2,3,4)
SMILES string
OS(Cl)(=O)=O
vapor density
4 (vs air)
vapor pressure
1 mmHg ( 25 °C)
3.3 mmHg ( 37.7 °C)
assay
99%
Quality Level
form
liquid
expl. lim.
37.7 %
concentration
99%
refractive index
n20/D 1.433 (lit.)
pH
< 1 (at 20 °C)
bp
151-152 °C/755 mmHg (lit.)
solubility
acetic acid: soluble(lit.)
chloroform: soluble(lit.)
dichloromethane: soluble(lit.)
density
1.753 g/mL at 25 °C (lit.)
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Application
- Synthesis of di-n-butyl ammonium chlorosulfonate, a secondary amine ionic liquid.
- To prepare sulfonated polyethersulfone (SPES) with enhanced hydrophilic property.
- To attach sulfate group to silk fibroin for improving its anticoagulant ability.
- As a catalyst to prepare substituted coumarin, via von Pechmann condensation between phenol and β-ketoester.
- As a substitute to acid catalyst in Biginelli reaction to prepare 3,4dihydropyrimidines.
General description
Packaging
signalword
Danger
hcodes
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
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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