Spotleak® Mercaptan gas odorant blend for gas industry

Spotleak by Odor-Tech - A subsidiary of Arkema

Arkema has developed a complete range of mercaptan and sulfide blends to answer any gas odorant request from gas distribution firms. We are producing raw materials and blending these odorant components whether in Lacq (France) or Rotterdam (Netherland) facilities.

We also have filling stations in USA and Argentina to be close to our customers. We are offering Spotleak® grades worldwide in dedicated and secured packaging, providing services directly or together with local partners.


CAS number
75-66-1, 75-18-3, 624-89-5, 107-03-9
Chemical name
TertioButylMercaptan (TBM), IsoPropylMercaptan (IPM), TetraHydroThiophen (THT), MethylEthylSulfide (MES), DiMethylSulfide (DMS)
Common name
Mercaptan, Sulfide


Spotleak 1001 TertioButylMercaptan 80%
DiMethylSulfide 20%
Spotleak 1005 TertioButylMercaptan 30%
TetraHydroThiophen 70%
Spotleak 1007 TertioButylMercaptan 80%
MethylEthylSulfide 20%
Spotleak 1009 TertioButylMercaptan 79%
IsoPropylMercaptann 18%
N-PropylMercaptan 3%
Spotleak 1039 TertioButylMercaptan 50%
TetraHydroThiophen 50%
Spotleak 1420 TertioButylMercaptan 75%
DiMethylSulfide 25%
Spotleak 1450 TertioButylMercaptan 10%
IsoPropylMercaptann 70%
N-PropylMercaptan 10%
DiMethylSulfide 10%

Geographic availability



  • Oil and gas
    • Gas distribution


  • Natural gas odorization