COA Center




Store at 2 -8°C
a-Toluenethiol, a-Tolyl mercaptan, Benzenemethanethiol

Article No. 0048T Grade Extra Pure
Purity 98.5% CAS No. 100-53-8
Molecular Formula C7H8S Molecular Weight 124.20
H.S. Code 9802.0000 Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Liquid Odour stinging
Melting point/ Freezing point [°C] -29.2 Initial boiling point [°C] 194 - 195
Vapour pressure [20°C] 0.5 hPa Density [g/cm3] 1.058 g/cm3 at 25 °C
Solubility in water at 20 °C practically insoluble Partition coefficient Log Pow octanol / water at 20°C log Pow: 2.48 at 25 °C
Explosion limits -lower [%] 1% (V)


Appearance Clear colorless to light yellow liquid*** Infrared spectrum Conforms
Purity (by GC) Min 98.5% Refractive index (20°C; 589 nm) 1.5735 to 1.5775
- ***May darken on storage

Safety Information and Hazard Symbols

Skull and Crossbones Environment
Symbol: GHS06,GHS09
Signal Word: Danger
UN No.: 2810
IMCO Class No.: 6.1
Packing Group: II
Hazardous Statement: H302 - H330 - H410
Precaution Statement: P260 - P264 - P270 - P273 - P301 + P312 - P304 + P340 + P310
Revision Date: 20-Feb-2024

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