At Palica Chem, we specialize in advanced odorants for natural gas, ensuring safety through reliable leak detection while prioritizing environmental responsibility and supply stability. Our portfolio addresses diverse needs in the energy sector, from traditional sulfur-based solutions to innovative sulfur-free alternatives, all compliant with international standards like ISO 13734.
THT is a cyclic sulfide recognized as one of the most stable and widely used odorants for natural gas and LPG. Complying with ISO 13734, it delivers consistent and recognizable odor for effective leak detection.
High chemical stability under pipeline conditions
Compatible with conventional odorization systems
Trusted by gas suppliers globally for decades
Ethyl mercaptan is what gives LPG, propane and butane their warning smell, and it is used as a mercaptan component in natural gas odorant blends rather than on its own. It is perceptible in air at about 0.36 parts per billion.
The standard odorant for LPG, propane and butane
Blended with heavier thiols and sulfides for natural gas service
UN 2363, Class 3, Packing Group I — shipped under DG declaration
Sulfur-free odorants eliminate sulfur oxide (SOx) emissions during combustion. Ideal for regions with stringent environmental regulations, it ensures safety without ecological trade-offs.
Zero sulfur content, supporting cleaner combustion
Meets ISO 13734 odor intensity standards
Safe for pipelines and detection equipment