Triazine vs Non-Triazine H₂S Scavenger — How to Choose

A non-triazine scavenger removes H2S using chemistry other than an amine-triazine ring — for example formaldehyde-donor products such as (ethylenedioxy)dimethanol (EDDM), glyoxal, or metal/oxidiser-based systems. 'Non-amine' specifically means no alkanolamine backbone, which changes pH behaviour, by-products and solids risk.

Triazine (MEA/MMA) is amine-based and reacts H2S into organic products (with dithiazine as a notable by-product that can form solids if over-dosed). Non-triazine options like EDDM release formaldehyde that reacts with H2S to non-volatile products, often with neutral pH, no salt precipitation and a different solids profile — advantageous in some streams.

Triazine remains the workhorse for cost-effective, high-capacity non-regenerative scavenging in gas and hydrocarbon streams, with a large field track record, simple application and wide availability. MEA Triazine 78% and MMA Triazine 40% cover most gas, crude and water duties.

Non-triazine/non-amine products can be preferred where you want to avoid amine-related pH shift, salt precipitation or triazine-specific solids, or where a neutral-pH, non-corrosive profile matters. A formaldehyde-donor such as EDDM is a common non-triazine alternative.

Yes. Vasudev Chemo Pharma manufactures MEA Triazine 78%, MMA Triazine 40%, and a non-triazine option — EDDM (ethylenedioxy dimethanol) — so we can recommend the right chemistry for your stream rather than forcing one product.

Match chemistry to the stream: H2S load, phase, temperature, pH sensitivity, solids tolerance and downstream constraints. Triazine for cost-effective bulk gas/hydrocarbon duty; non-triazine (EDDM) where amine pH shift, salts or triazine solids are a problem. We can advise and supply either.