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Merck
CN

341770

Sigma-Aldrich

o-Toluenesulfonyl isocyanate

95%

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About This Item

Linear Formula:
CH3C6H4SO2NCO
CAS Number:
Molecular Weight:
197.21
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
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Assay

95%

refractive index

n20/D 1.54 (lit.)

density

1.303 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1ccccc1S(=O)(=O)N=C=O

InChI

1S/C8H7NO3S/c1-7-4-2-3-5-8(7)13(11,12)9-6-10/h2-5H,1H3

InChI key

HEBTZZBBPUFAFE-UHFFFAOYSA-N

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Resp. Sens. 1

Supplementary Hazards

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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F R van de Voort et al.
Analytica chimica acta, 918, 1-7 (2016-04-06)
A simple and accurate method for the determination of moisture in edible oils by differential FTIR spectroscopy has been devised based on the stoichiometric reaction of the moisture in oil with toluenesulfonyl isocyanate (TSI) to produce CO2. Calibration standards were

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