H2S & Mercaptan Odor Control Chemicals


When mixed with a light bleach solution (sodium hypochlorite), this product instantly neutralizes the mercaptan and associated odors. Consists of a deodorizer/emulsifier/encapsulator complex. Instantly brings mercaptan into solution (soluble in water) Provides instant odor control for spills or cleaning activities. Excellent for use in scrubber systems

  • Tank Cleaning
  • LEL Control
  • Line Cleaning
  • Spill Control
  • Rail Car Cleaning

1. To determine Mercaptolyte 200 needed (gallons), multiply heel x 1.5
2. To determine water needed (gallons), multiply Mercaptolyte 200 x 5
3. To determine sodium hypochlorite (12.5%) needed, add #1 and #2 together. Note: Follow instructions below on how to apply this mixture.

To flood a given tank volume, follow these simple steps:
1. To determine Mercaptolyte 200 needed, multiply tank volume (gal) x .05
2. To determine water needed, multiply tank volume x .65
3. To determine Sodium Hypochlorite (12.5%) needed, multiply tank volume x .30 *Mix Mercaptolyte 200 and water first, then mix in sodium hypochlorite.

Specific Hazard Eye and skin Irritant
Flash Point (°F) Above 220°
Biodegradability Excellent
pH 10.5-11.5
Unusual Hazards See precautions below
Other Information Do not use Hydrogen Peroxide

Available Quantities 5, 30, 55 and bulk quantities
Packaging Material Poly
Other Information Do not let product freeze.

1. Immediately mix the three chemical amounts which were determined under Product Dilutions. Make sure to mix Mercaptolyte 200 and water first, then sodium hypochlorite.
2. Make sure vessel containing mercaptan heel is vented to a scrubber or other emission control device!
3. Slowly introduce mixture into vessel containing heel.
4. Watch for temperature spikes. Add more water as needed.
5. Once added, agitate mixture as much as possible.
6. After at least one hour the mixture should have significant less odor.
7. Allowing to set for up to 12 hours may be necessary.
8. Adding more chemical media may be necessary in some cases to complete neutralization.

When using the oxidizer (sodium hypochlorite), it is important to know the following facts:
1. The reaction with Mercaptan will generate an acidic off-gas. This being said, the vessel being cleaned must be vented to the air or a chemical scrubber. Failure to do so could result in an explosion or rupture of the tank.
2. The acid off-gas may need to be treated by a chemical scrubber. The acid is sulfuric in nature.
3. An exothermic reaction does take place during the process. Make sure to have extra water and ventilation available in case temperature gets to an unsafe level.

Related Products

Check out these other great H2S & Mercaptan Odor Control Chemicals products

ENVIRO-SCRUB VT (6% Solution)

Enviro-Scrub VT (6% Solution) is a pre-diluted mixture that is designed to quickly neutralize H2S.


ENVIRO-SCRUB VT is a powerful H2S Scavenger.

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  • Phone409-316-0173
  • Emailinfo@vapor-tech.net

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Vapor Technologies

Edmonton, Alberta

  • Phone780-782-7654
  • Emailinfo@vaporscrubbing.ca
  • Fax281-754-4876

United States

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  • Phone409-316-0173
  • Emailinfo@vapor-tech.net
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