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About This Item
Linear Formula:
ClCH2OSO2Cl
CAS Number:
Molecular Weight:
165.00
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Assay
97%
refractive index
n20/D 1.448
bp
45-50 °C/10 mmHg
density
1.631 g/mL at 25 °C
storage temp.
2-8°C
SMILES string
ClCOS(Cl)(=O)=O
InChI
1S/CH2Cl2O3S/c2-1-6-7(3,4)5/h1H2
InChI key
PJBIHXWYDMFGCV-UHFFFAOYSA-N
Application
Reagent for chloromethylation of Fmoc-protected amino acids without the generation of carcinogenic bis(chloromethyl)ether.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Carc. 1A - Skin Corr. 1B
Storage Class Code
5.1B - Oxidizing hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Nicholas P Power et al.
Organic & biomolecular chemistry, 2(10), 1554-1562 (2004-05-12)
The reaction of liquid (gamma-) SO3 with CH2Cl2 at room temperature leads to SO3 insertion into the C-Cl bonds, giving the useful chloromethylating agent chloromethyl chlorosulfate (CMCS). The process is very slow but becomes rapid on addition of catalytic quantities
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