41368

p-Toluenesulfonyl isocyanate

for HPLC derivatization, LiChropur^™, ≥98.0% (GC)

• Sinónimos: p-Tosyl isocyanate, TsNCO, Tosyl isocyanate
• Fórmula lineal: CH₃C₆H₄SO₂NCO
• Número de CAS: 4083-64-1
• Peso molecular: 197.21
• Beilstein/REAXYS Number: 391287
• EC Number: 223-810-8
• MDL number: MFCD00002030
• UNSPSC Code: 41116105
• PubChem Substance ID: 329756094
• NACRES: NA.22

Propiedades

• grade: for HPLC derivatization
• Quality Level: 100
• vapor pressure: 1 mmHg ( 100 °C)
• assay: ≥98.0% (GC)
• form: liquid
• quality: LiChropur^™
• technique(s): HPLC: suitable
• refractive index: n20/D 1.533-1.537; n20/D 1.534 (lit.)
• bp: 144 °C/10 mmHg (lit.); 275-278 °C (lit.)
• density: 1.291 g/mL at 25 °C (lit.)
• SMILES string: Cc1ccc(cc1)S(=O)(=O)N=C=O
• InChI: 1S/C8H7NO3S/c1-7-2-4-8(5-3-7)13(11,12)9-6-10/h2-5H,1H3
• InChI key: VLJQDHDVZJXNQL-UHFFFAOYSA-N

Descripción

General description

p-Toluenesulfonyl isocyanate, a sulfonyl isocyanate derivative, is a highly reactive compound that finds application as a water scavenger. It is used as a component of polyurethane coatings, sealants, adhesives and as an intermediate of several industrially important chemicals.

Application

p-Toluenesulfonyl isocyanate may be used as a derivatization reagent for the analyses of diethylene glycol and propylene glycol in pharmaceutical products, stereoisomers of 3-hydroxyl-7-methyl-norethynodrel in biological samples, and pyrrolizidine alkaloids in herbal tea formulations by high performance liquid chromatography (HPLC) based techniques.

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H315,H319,H334,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 294.8 °F - closed cup
• flash_point_c: 146 °C - closed cup