Since 1971, reported incidents involving liquid solutions of sodium hydrosulfide nahs have resulted in 32 deaths and 176 injuries, most notably in the leather tanning and pulp and paper industries. The sense of smell is rapidly lost upon exposure to high levels of hydrogen sulfide do not rely upon smell to detect hydrogen sulfide exposure. Possibility of hazardous may react vigorously or violently with the incompatible materials listed above. Sodium bisulfide sodium hydrogen sulfide sodium hydrosulfide sodium mercaptan sodium mercaptide sodium sulfhydrate catalog of chemical suppliers, buyers, custom synthesis companies and equipment manufacturers sodium sulfide 16721805. May be harmful by inhalation, ingestion, or skin absorption. Sulfuretted hydrogen, sulfur hydride, hydrosulfuric acid, hepatic gas, stink damp. Hydrogen sulfide h2s safety data sheet sds p4611 log in. As long as the solution is kept strongly alkaline, ph 10, there is very little release of h2s. Remove to fresh air and keep at rest in a position comfortable for breathing. Safety data sheet creation date 18feb2009 revision date 18jan2018 revision number 3 1. Read the product manufacturers material safety data. Extreme high moderate low section 1 chemical product and company identification product name sodium hydrogen sulphide anhydrous statement of hazardous nature considered a hazardous substance according to osha 29 cfr 1910. Contact with stomach acids can liberate toxic hydrogen sulfide gas.
Sodium sulfide flakes 6062 % revision date 01242018 p0021638 version. Workplace exposure limits the following exposure limits are for hydrogen. Sodium sulfide, nonahydrate 844 95 sodium sulfide 822 4. Environmental precautions environmental precautions. Sodium hydrogen carbonate material safety data sheet cas no. In general, hydrogen sulfide acts as a reducing agent, especially in the presence of base, which forms sh. Show this safety data sheet to the doctor in attendance. It is shipped as a 45% solution with a specific gravity of 1.
In case of contact with eyes, immediately flush with clean, low pressure water for at least 20 minutes. Identification of the substancemixture and of the company undertaking 1. The solution also reacts with oxidizing agents which may precipitate elemental sulfur. Eye contact rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Sodium hydrosulfide solution is an alternative product to sulfur from hydrogen sulfide. Sodium sulfhydrate, sodium mercaptan, sodium hydrogen sulfide anhydrous.
Sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulfide, sodium mercaptan, ki300. It may be used as a sulfur nucleophile to induce the cs bond formation in. Nahs, sodium hydrogen sulfide, sodium bisulfide, sodium mercaptan. Hydrogen sulfide gas can be used in the following applications. If hydrogen sulfide is produced during the handling of sodium sulfide, follow the applicable exposure limit for this gas. Extinguish fire using agent suitable for type of surrounding fire. Hydrogen sulphide sds ref al077 air liquide australia limited level 9 380 st. Common donors include sodium hydrosulfide nahs and sodium sulfide na 2 s. Water, foam, dry chemical special fire fighting procedures. Microsoft word mrci sodium hydrosulfide solution msds new 2011. Sodium hydrogen sulfide hydrate safety data sheet supersedes revision. Sodium bisulfide, sodium hydrogen sulfide, sodium mercaptan. It is used in water treatment, the pulp and paper industry, and in leather processing as a tanning agent or hair remover from hides. Msds sodium sulfate aqueous solutions for ricca, spectropure, red bird, and solutions plus brands ecotoxicological information.
Sodium hydrosulfide is the chemical compound with the formula nahs. At ph 7, the percent concentration of h2s released is close to 80%. Identification product name sodium sulfide nonahydrate cat no. Material safety data sheet hydrogen sulfide august 31, 1995 phone numbers phillips 66 company emergency. After inhaling the gas, the 55year old male caucasian truck driver was dead at. Ac223070000, ac223070010, ac419440000, ac419440010, ac419440025, ac419440050 ac419440050, ac41944, s6543, s6543lc, s654500 synonyms. May cause upper respiratory tract and mucous membrane irritation. Description of first aid measures firstaid measures after inhalation. Hydrogen sulfide is a colorless, flammable gas with a characteristic odor of rotten eggs. Heating to decomposition emits toxic fumes of sulfoxides and sodium oxide. Accidental release measures contain spill and collect, as appropriate.
When heated to decomposition it emits toxic fumes of sulfur oxides, hydrogen sulfide, and sodium oxide. Sodium hydrogen sulfide hydrate safety data sheet section. Inhalation may be fatal as a result of spasm, inflammation, edema of the. Sodium hydrogen sulfite 39% solution in water for synthesis find msds or sds, a coa, data sheets and more information. Methods and material for containment and cleaning up methods for cleaning up.
Severe overexposure to hydrogen sulfide gas produced when sodium sulfide contacts water or in fire conditions may result in memory loss, paralysis of facial muscles, nerve damage, pulmonary edema, unconsciousness, or death. Sodium hydrogen sulfide is an h 2 s donor commonly used in cellular and whole animal experimental systems. Uses advised against not for food, drug, pesticide or biocidal product use details of the supplier of the safety data sheet. Reacts with acids to release flammable and toxic gaseous hydrogen sulfide. Beat meyer, in sulfur, energy, and environment, 1977. Disposal considerations dilute with water, then wash the resulting solution down the drain with plenty of water if local regulations allow. Safety data sheet creation date 14may2010 revision date 17jan2018 revision number 6 1. Sodium hydrogen sulfide, solid 7072% with crystallization. Material safety data sheet sodium hydrosulfide solution. Material safety data sheet sodium hydrogen sulphide anhydrous sc258166 hazard alert code key. Firstaid measures general advice immediate medical attention is required.
Prevent further leakage or spillage if safe to do so. Sodium bisulphide, sodium hydrosulfide, sodium hydrosulphide, sodium mercaptide. Hydrogen sulfide msds material safety data sheet 1. Hydrogen sulfide may form flammable mixtures with air. Sodium hydrogen carbonate cas no 144558 material safety data sheet sds msds. The victim succumbed from breathing the hydrogen sulfide h 2 s gas produced by an accidental transfer of sodium hydrogen sulfide nahs from a tanker truck to a tank containing 4% sulfuric acid h 2 so 4 and ironii sulfate feso 4. Sodium hydrosulfide an overview sciencedirect topics. Na 2s is soluble in water, slightly soluble in alcohol and insoluble in ether.
These are cheap, easy to obtain and store, and easy to use. May cause severe irritation of the respiratory tract with sore throat. The most serious safety concern associated with nahs is its capacity to produce large amounts of deadly hydrogen sulfide gas h 2s when it reacts. For example, it has been used to suggest that h 2 s promotes neutrophil migration 1, reduces airway inflammation 2, and protects neurites, 3 heart, 4 and intestine 5 from chemical or ischemic reperfusion damage. Of course, you may wish to conduct further evaluation based on your specific enduse. Sodium hydrogen sulfide may be used in the making of colors and dyes. Fire conditions will also cause the production of sulfur dioxide. Uses advised against not for food, drug, pesticide or biocidal product use. Identification of the substancemixture and of the companyundertaking 1. Persistence and degradability hydrogen sulfide water persistence and degradability not established. Sodium nitrite injections may be repeated if necessary. Nahs is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent. Sodium hydrosulfide solution nahs, sodium hydrogen sulfide, sodium bisulfide, sodium mercaptan chemtrec 800 4249300 ccn 2019 safety data sheet product name synonyms emergency telephone number section 1.
General description cubic crystals of sodium sulfide na 2 s are extremely hygroscopic in nature and discolor on exposure to air. Identification of the substancemixture and of the companyundertaking product name. This sds was prepared in accordance with 29 cfr 1910. When sodium bisulfite in solution decomposes at very high temperatures, it liberates toxic sulfur dioxide and sulfur oxides. Sodium hydrosulfide is used more as a common commercial form than sodium sulfide. Depending on your production rate of hydrogen sulfide, a claus unit may be just what you. Sodium nitrite, strong acids, strong oxidizers, water reactive materials.
Contact with acids increases the formation of hydrogen sulfide. Na 2 s is soluble in water, slightly soluble in alcohol and insoluble in ether. Heating this product will evolve toxic fumes of hydrogen sulfide, sulfoxides and sodium oxide. Sweep up and shovel into suitable containers for disposal. No action shall be taken involving any personal risk or without suitable training. As a ligand to form coordination complexes with ruthenium ammines.
Hydrogen sulfide main constituent cas no 7783064 100 3. Material may be irritating to the mucous membranes and upper respiratory tract. On contact with acids it liberates highly toxic and flammable hydrogen sulfide gas. Move container from fire area if it can be done without risk. Hydrogen sulfide is one of the principal compounds involved in the natural cycle of sulfur in the. Irritation to the eyes from contact with vapors hydrogen sulfide or mist and a rotten egg odor.
As a test compound to assess the performance of polyanilinebased gas h 2 s sensors. Hazards in the presence of sodium bisulfite solution should be extinguished using means appropriate to the surroundings. Sodium hydrosulfide section 4 fire and explosion hazard data classification. S425212, s425500 casno 844 synonyms no information available recommended use laboratory chemicals. Sodium hydroxide safety data sheet according to federal register vol. Sodium hydrogen sulfide is a yellow, solid flake with a sulfurous rotten egg smell. Product solution and vapors contain highly toxic hydrogen sulfide gas. Sodium sulfite, anhydrous 7 757 83 7 listed on the united states tsca toxic substances control act inventory all components of this product are listed, or excluded from listing, on the united states environmental protection agency toxic.
S654500 casno 7631905 synonyms sodium hydrogen sulfite recommended use laboratory chemicals. If large quantities of this material are swallowed, call a physician immediately. Consult the right to know hazardous substance fact sheet on hydrogen sulfide. 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, sodium mercaptan section 2 hazardous ingredients hazardous components cas no. Exposure to this gas causes, headaches, nausea, dizziness and vomiting. It is prepared by absorption of hydrogen sulfide in sodium hydroxide. This compound is the product of the halfneutralization of hydrogen sulfide h 2 s with sodium hydroxide. Cubic crystals of sodium sulfide na 2s are extremely hygroscopic in nature and discolor on exposure to air. Sodium hydrogen sulfide is used in many industries. As a sulfur source to synthesize assemblies of silver sulfide nanoparticles ag 2 s nps. Sodium hydrogen carbonate cas no 144558 material safety data sheet sdsmsds.
Sodium sulfide is a white to yellow crystalline material, flammable. Transfer to a chemical waste container for disposal in accordance with local regulations. Administration of sodium hydrosulfide, an alkali salt of hydrogen sulfide at doses of 10 and 30 mgkg, corresponding to sublethal and lethal doses 0. A fatality caused by hydrogen sulfide produced from an. Sodium sulfide, flake hydrated or sodium sulphide, flake hydrated. Special exposure sodium bisulfite solution is not flammable or combustible. Withdraw immediately in case of rising sound from venting safety device or any discoloration of tanks due to fire. May cause eye, skin, or respiratory system irritation.
Material safety data sheet sodium thiosulfate pentahydrate msds section 1. Heating to decomposition emits toxic fumes of sulfoxides and. Sodium sulfide in contact with human eye has been noted to cause burns which may be slow to heal owing presumably to strong alkalinity. Sodium sulfite, anhydrous safety data sheet according to federal register vol. 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. Sodium hydrogen sulfide, sodium sulfhydrate, sodium. Sodium hydrosulfide, solution cameo chemicals noaa.
Nahs is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent, more often as an aqueous solution. Hydrogen sulfide burns in oxygen with a blue flame to form sulfur dioxide so 2 and water. Violent reaction with carbon, charcoal, diazonium salts, n,ndichloromethylamine, strong oxidizers, water. Never give anything by mouth to an unconscious person. Identification product name sodium bisulfite cat no. Safety data sheet sodium hydrosulfide solution tessenderlo kerley.
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