T35955
p-Toluenesulfonyl chloride
reagent grade, ≥98%
Synonym(s):
Tosyl chloride
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About This Item
Linear Formula:
CH3C6H4SO2Cl
CAS Number:
Molecular Weight:
190.65
Beilstein:
607898
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
grade
reagent grade
Quality Level
vapor pressure
1 mmHg ( 88 °C)
Assay
≥98%
bp
134 °C/10 mmHg (lit.)
mp
65-69 °C (lit.)
SMILES string
Cc1ccc(cc1)S(Cl)(=O)=O
InChI
1S/C7H7ClO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3
InChI key
YYROPELSRYBVMQ-UHFFFAOYSA-N
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Application
p-toluenesulfonyl chloride may be used along with N-methylimidazole for the esterification or thioesterification of carboxylic acids and alcohols or thiols. It may also be used as a chlorine source for α-chlorination of ketones in the presence of lithium diisopropylamide.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Irrit. 2 - Skin Sens. 1
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
262.4 °F - closed cup
Flash Point(C)
128 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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