ChemicalBook--->CAS DataBase List--->941-55-9

941-55-9

941-55-9 Structure

941-55-9 Structure
IdentificationBack Directory
[Name]

Tosyl azide
[CAS]

941-55-9
[Synonyms]

Tosyl azide
Tosyl azide solution
p-Toluenesulfonyl azide
P-toluenesulfonyl azide or
4-methyl-benzenesulfonylazid
4-Methylbenzenesulfonyl azide
p-Methylbenzenesulfonyl azide
p-Toluenesulfonazide solution
Benzenesulfonylazide,4-methyl-
p-Toluenesulfonyl azide solution
4-Methylbenzenesulfonic acid azide
p-Methylbenzenesulfonic acid azide
Tosyl azide (75% in ethyl acetate)
p-Toluenesulfonyl azide,Tosyl azide
p-Toluenesulfonyl azide solution, 98%+
4-Methylbenzenesulfonyl azide solution
p-Toluenesulfonyl azide, 99%, 25% in Ethyl acetate
P-TOLUENESULFONYL AZIDE OR 4-METHYLBENZENESULFONYL AZIDE
p-Toluenesulfonyl azide solution11-15 % (w/w) in Toluene, ≥ 99% (HPLC)
[EINECS(EC#)]

213-381-5
[Molecular Formula]

C7H7N3O2S
[MDL Number]

MFCD00180767
[MOL File]

941-55-9.mol
[Molecular Weight]

197.21
Chemical PropertiesBack Directory
[Melting point ]

22 °C
[density ]

~0.90 g/mL at 20 °C
[refractive index ]

n20/D 1.548
[Fp ]

4℃
[storage temp. ]

2-8°C
[InChIKey]

NDLIRBZKZSDGSO-UHFFFAOYSA-N
[EPA Substance Registry System]

Benzenesulfonyl azide, 4-methyl-(941-55-9)
Hazard InformationBack Directory
[Chemical Properties]

Colorless to slight yellow liquid
[Uses]

Used for the introduction of azide and diazo functional groups. It is also used as a nitrene source and as a substrate for [3+2] cycloaddition reactions.
[Synthesis Reference(s)]

Synthetic Communications, 17, p. 1015, 1987 DOI: 10.1080/00397918708063962
Tetrahedron Letters, 28, p. 5091, 1987 DOI: 10.1016/S0040-4039(00)95598-9
Safety DataBack Directory
[Hazard Codes ]

F,T+
[Risk Statements ]

5-67-65-48/20-38-28-11-63
[Safety Statements ]

16-35-45-36/37-28-9
[RIDADR ]

UN REST
[WGK Germany ]

3
[HS Code ]

29299090
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

3-AMINO-2,2-DIMETHYL-4-OXO-AZETIDINE-1-SULFONIC ACID-->2-ACETYL-3-AMINOTHIOPHENE-->N-Cyclohexyl-4-methylbenzenesulfonamide
Questions And AnswerBack Directory
[Description]

Tosyl azide is a reagent used in organic synthesis. It is prepared by the reaction of tosyl chloride with sodium azide in aqueous acetone.
[Applications]

Tosyl azide is utilized for the introduction of diazo and azide functional groups. Moreover, it is used as a nitrene and a substrate for [3+2] cycloaddition reactions.
[Safety]

Tosyl azide is a very volatile chemical that should be carefully stored and handled.
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