Hydrogen sulfide, sodium mercaptan section 2 hazardous ingredients hazardous components cas no. The odor of hydrogen sulfide may not be recognized after prolonged inhalation due to paralysis of the sense of smell. Hydrogen sulfide is a gas that gives water a distinctive rotten egg odor. Maintain skin warming for at least 15 minutes or until normal coloring and sensation have returned to the. Water heaters are fitted with a magnesium rod to inhibit corrosion of the heater. Hydrogen sulfide h2s safety data sheet sds p4611 log in.
Fire conditions will also cause the production of sulfur dioxide. Sodium hydrogen sulfide is used in many industries. S is a colorless gas with a strong odor of rotten eggs. Cool endangered receptacles with water spray jet from a protected position. In this case, chemical reactions within the water heater may be the source of the rotten egg odor. Read and follow all safety data sheets sdss before use. Hydrogen sulfide is slightly soluble in water and acts as a weak acid pk a 6. Each individual has a different sensitivity to the odor. A naturally mined ore, pyrolox has been used in water treatment for more than 75 years. These bacteria feed on small amounts of sulfur in the water and thrive in the low oxygen environments present in groundwater wells and plumbing systems. Hydrogen sulfide is a highly flammable, explosive gas, and can cause possible lifethreatening situations if not properly handled. In addition, hydrogen sulfide gas burns and produces other toxic vapors and gases, such as sulfur dioxide. Testing must be done on site because the gas goes away quickly when exposed to air.
Prevent water used in emergency cases from entering sewers and. In case of massive exposure, remove clothing while showering with warm water. Most of the atmospheric hydrogen sulfide has natural origins. Safety data sheet according to federal register vol. Shorelines with significant amounts of decaying organic material, such as seaweed, have caused hydrogen sulfide problems on beaches. Hydrogen sulfides odor is readily detectable at low concentrations. Reasons for citation f hydrogen sulfide is on the right to know hazardous substance list because it is cited by osha, acgih, dot, niosh, dep, iris, nfpa and epa. Sodium hydrogen sulfide hydrate safety data sheet supersedes revision. Water safety data sheet according to federal register vol.
Hydrogen sulfide mitigation strategy for a class i landfill. Hydrogen sulfide h2s is a dissolved gas that gives water a characteristic rotten egg odor and taste. The taste and odour threshold for sulfides is about 0. Sara section 303 requires facilities storing a material with a tpq to participate in local emergency response planning u. Hydrogen sulfide, h2s, is a gas which is best known for giving water a rotten egg odor.
Use plastic tweezers to place the strips face down in the glycerol solution to reduce the. Safety data sheet sodium hydrosulfide solution tessenderlo kerley. Individuals can detect this odor when hydrogen sulfide gas is present at very low levels. Relevant identified uses of the substance or mixture and uses advised against use of the substancemixture. Homemakers will notice that it can change sterling silver to a black color almost instantly. The objectionable odor makes water unfit for drinking, household use, and for industrial processes. Dilution of nahs with water will increase the evolution of hydrogen sulfide. Hydrogen sulfide removal with kdf 85 primary water treatment and industrial treatment media. Document no s ossspp0074 hydrogen sulfide h2 revision.
Sodium hydrogen sulfide, solid 7072% with crystallization. Immediately flush eyes thoroughly with water for at least minutes. Hydrogen sulfide is a heavierthanair, flammable gas with a characteristic rotten egg odor. Therefore, it is a source of hydrogen ions and is corrosive. Msds for kodak photo flo 200 stir until salt is dissolved. Sulfuretted hydrogen, sulfur hydride, hydrosulfuric acid, hepatic gas, stink damp 1. Water with hydrogen sulfide alone does not cause disease. How to write the formula for sodium sulfide in this.
However, hydrogen sulfide forms a weak acid when dissolved in water. It can be formed under conditions of deficient oxygen, in the presence of organic material and sulfate. Osha, cma, ansi and canadian whmis standards part i what is the material and what do i need to know in an emergency. Seek medical evaluation and treatment as soon as possible. Although rare in washington, municipal drinking water or well water can contain hydrogen sulfide. It is also highly flammable and a respiratory inhibitor. Identification product identifier sodium hydrosulfide solution other means of identification sds number genlptdc001 recommended use product is a unique alkaline material, playing a vital role in many industrial processes. Hydrogen sulfide is slightly soluble it can dissolve in water and can be found in geothermal springs and some swamps. In case of contact with eyes, immediately flush with clean, low pressure. Learn more about hydrogen sulfide saturated solution in water. Hydrogen sulfide paper, pk100 order status contact us. Water temperature should be tolerable to normal skin. Hydrogen sulfide is a colorless, flammable gas with a characteristic odor of rotten eggs.
Hydrogen sulfide is a relatively common, frequently lethal, and unique occupational hazard for which research since 1990 has uncovered many anomalies and subtleties and a previously unsuspected. Do not rely on odor alone to determine potentially hazardous exposures. Humans breathing up to 8 ppm of hydrogen sulfide over a two month period experienced nausea, headache, shortness of breath, sleep disturbance, eye and throat irritation. Nahs material safety data sheets and chemical label requirements material safety data sheets require specific information, which can then be included on the chemical label. At concentrations of 50150 mgm3 in air, it has a deceptively sweet smell.
Prevent water used in e mergency cases from entering sewers and drainage systems. Hydrogen sulfide removal with kdf water treatment media. Wash skin with soap and water for at least 15 minutes while. It corrodes piping, creates odors in the house, and turns water and your fixtures black. Hydrogen sulfide in drinkingwater world health organization. Hydrogen sulfide washington state department of health. The odor of hydrogen sulfide can not be detected above 100 ppm. Use water spray or fog to knock down fire fumes if possible.
Pre existing upper respiratory and lung diseases such as, but not limited to bronchitis, emphysema and asthma. Various treatment options are discussed in this article. Hydrogen sulfide msds material safety data sheet 1. More information on how kdf 85 process medium works as industrial treatment media and water treatment media. Please ensure that this msds is received by the appropriate person. Sometimes hydrogen sulfide may be noticeable only in the hot water in the home. Through a natural chemical reaction, pyrolox has the ability to help produce clean, highquality water.
Maintain skin warming for at least 15 minutes or until normal coloring and sensation have returned to the affected area. Vol% tlv8 hr twa pel8 hr twa stel idlh sodium hydrosulfide 16721805 3446 water 7732185 5466 hydrogen sulfide 7783064 10ppm 20ppm 15ppm 100ppm other ingredient information. Because hydrogen sulfide combines easily with water, damage to stock tanks below water levels can be severe. Kdf reacts with hydrogen sulfide to form insoluble copper sulfide which can be backwashed off kdf 85 medium.
In water, the taste and odour thresholds for hydrogen sulfide are estimated to be between 0. In addition to exposure to hydrogen sulfide in the air, exposure to liquid hydrogen sulfide can cause blue. Although sulfurreducing bacteria can impart taste and. Heating this product will evolve hydrogen sulfide gas. Identification of the substancemixture and of the companyundertaking product name. Immediately flush eyes with plenty of water, occasionally lifting the upper and lower.
Pyrolox is a granular water filtration media used for the removal of hydrogen sulfide, iron and manganese. Foamglas insulation february 11, 2009 material safety. It interferes with water tests and cannot be easily tested in a laboratory. This is one in a series of informational fact sheets highlighting osha programs. Hydrogen sulfide is one of the principal compounds involved in the natural cycle of sulfur in the. Exposure to hydrogen sulfide may cause irritation to the eyes and respiratory system. Foamglas insulation february 11, 2009 material safety data sheet 2 of 6 medical conditions aggravated by exposure to hydrogen sulfide.
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