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ChemicalBook--->CAS DataBase List--->133-59-5

133-59-5

133-59-5 Structure

133-59-5 Structure
IdentificationMore
[Name]

O-TOLUENESULFONYL CHLORIDE
[CAS]

133-59-5
[Synonyms]

2-METHYLBENZENESULFONYL CHLORIDE
2-METHYLBENZENESULPHONYL CHLORIDE
2-TOLUENESULFONYL CHLORIDE
O-TOLUENESULFONYL CHLORIDE
2-methyl-benzenesulfonylchlorid
ortho-toluenesulfochloride
ortho-toluenesulfonchloride
ortho-toluenesulfonylchloride
o-Toluenesulfochloride
o-tolylsulfonylchloride
o-Tosyl chloride
o-tosylchloride
toluene-2-sulphonylchloride
o-Toluenesulphonyl chloride
containsca23%isomer)75+%
o-Toluenesulfonyl Chloride (contains ca. 23% isomer)
2-Methylbenzenesulfonic acid chloride
[EINECS(EC#)]

205-113-0
[Molecular Formula]

C7H7ClO2S
[MDL Number]

MFCD00024874
[Molecular Weight]

190.65
[MOL File]

133-59-5.mol
Chemical PropertiesBack Directory
[Melting point ]

10°C
[Boiling point ]

254 °C(lit.)
[density ]

1.320 g/mL at 25 °C(lit.)
[refractive index ]

n20/D >1.5580(lit.)
[Fp ]

>230 °F
[storage temp. ]

Store under inert gas
[solubility ]

Acetonitrile (Slightly), Chloroform(Slightly)
[form ]

clear liquid
[color ]

Colorless to Light yellow
[Water Solubility ]

Soluble in hot alcohol, ether and benzene. Reacts with water.
[Sensitive ]

Moisture Sensitive
[BRN ]

973180
[CAS DataBase Reference]

133-59-5(CAS DataBase Reference)
[EPA Substance Registry System]

Benzenesulfonyl chloride, 2-methyl- (133-59-5)
Safety DataBack Directory
[Hazard Codes ]

C,Xi
[Risk Statements ]

R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 3265 8/PG 2
[WGK Germany ]

3
[Hazard Note ]

Corrosive
[TSCA ]

Yes
[HazardClass ]

8
[PackingGroup ]

II
[HS Code ]

2904100090
[Hazardous Substances Data]

133-59-5(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

2-methylbenzenesulfinic acid-->o-Toluenesulfonic acid, sodium salt-->Carbamothioic acid, diethyl-, S-(2-methylphenyl) ester-->2-Methylbenzenethiol-->2-Tolylboronic acid-->Toluene
[Preparation Products]

Tosyl chloride-->Saccharin sodium-->2-Methylbenzene-1-sulfonamide-->2-Chlorobenzoyl chloride-->ETHYL-O-TOLYL KETONE-->2-TOLUENESULFONIC ACID-->2-METHYLPHENYLBORONIC ACID, PINACOL ESTER-->o-Toluenesulfonic acid, methyl ester-->N-Methyl-o-toluenesulfonamide
Hazard InformationBack Directory
[Uses]

o-Toluenesulfonyl chloride may be used in the synthesis of:
  • oxazoline
  • mesityl o-tolyl sulfone
  • allyl o-toluenesulfonate
  • 2-methyl-4′-t-butyldiphenyl sulfone
[Uses]

o-Toluenesulfonyl chloride is used in organic synthesis and saccharin production. It is also used as pharmaceutical intermediate.
[General Description]

o-Toluenesulfonyl chloride can be synthesized by reacting o-thiocresol in glacial acetic acid with chlorine. It participates in the preparation of 5-chloro-3-phenyl-2,1-benzisoxazole.
Spectrum DetailBack Directory
[Spectrum Detail]

O-TOLUENESULFONYL CHLORIDE(133-59-5)IR
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

o-Toluenesulfonyl chloride, 97%(133-59-5)
[TCI AMERICA]

o-Toluenesulfonyl Chloride  (contains ca. 23% isomer),>75.0%(GC)(133-59-5)
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