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CAS No.7783-06-4
Synonyms:H2S;sourgas;sewergas;Sour gas;Sewer gas;stinkdamp;Stink damp;Hepatic gas;Siarkowodor;Hepatic acid
Molecular Formula:H2S
Formula Weight:34.08
MOL File:7783-06-4.mol
Melting point : −85 °C(lit.)
Boiling point : −60 °C(lit.)
vapor density : 1.19 (15 °C, vs air)
vapor pressure : 252 psi ( 21 °C)
storage temp. : 2-8°C
Merck : 13,4823
Stability:: Stable. Highly flammable. May form explosive mixture with air. Note wide explosive limits. Incompatible with strong oxidizing agents, many metals. May react violently with metal oxides, copper, fluorine, sodium, ethanal.
CAS DataBase Reference: 7783-06-4(CAS DataBase Reference)
Hazard Codes : F+,T+,N,F
Risk Statements : 12-26-50-40-36/37-19-11
Safety Statements : 9-16-36-38-45-61-28-26
RIDADR : UN 1053 2.3
WGK Germany : 2
RTECS : MX1225000
HazardClass : 2.3

HYDROGEN SULFIDE Chemical Properties,Usage,Production

Chemical Properties
colourless gas with strong odour of rotten eggs (odour threshold ca 0.2 ppt)
ChEBI: A sulfur hydride consisting of s single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.
Air & Water Reactions
Highly flammable; a flame can very easily flash back to the source of leak. Soluble in water to a maximum of 0.4% by mass at room temperature .
Reactivity Profile
HYDROGEN SULFIDE reacts as an acid and as a reducing agent. Explodes on contact with oxygen difluoride, bromine pentafluoride, chlorine trifluoride, dichlorine oxide, silver fulminate. May ignite and explode when exposed to powdered copper in oxygen [Mertz, V. et al., Ber., 1880, 13, p. 722]. May react similarly with other powdered metals. Ignites on contact with metal oxides and peroxides (barium peroxide, chromium trioxide, copper oxide, lead dioxide, manganese dioxide, nickel oxide, silver oxide, silver dioxide, thallium trioxide, sodium peroxide, mercury oxide, calcium oxide) [Mellor, 1947, vol. 10, p. 129, 141]. Ignites with silver bromate, lead(II) hypochlorite, copper chromate, nitric acid, lead(IV) oxide and rust. May ignite if passed through rusty iron pipes [Mee, A. J., School Sci. Rev., 1940, 22(85), p. 95]. Reacts exothermically with bases. The heat of the reaction with soda lime, sodium hydroxide, potassium hydroxide, barium hydroxide may lead to ignition or explosion of the unreacted portion in the presence of air / oxygen [Mellor, 1947, vol. 10, p. 140].
Health Hazard
Exposure to very high concentrations causes immediate death. Also death or permanent injury may occur after very short exposure to small quantities. It acts directly upon the nervous system resulting in paralysis of respiratory centers.
Fire Hazard
Compound is heavier than air and may travel a considerable distance to source of ignition and flash back. HYDROGEN SULFIDE forms explosive mixtures with air over a wide range. Also reacts explosively with bromine pentafluoride, chlorine trifluoride, nitrogen triiodide, nitrogen trichloride, oxygen difluoride, and phenyl diazonium chloride. When heated to decomposition, HYDROGEN SULFIDE emits highly toxic fumes of oxides of sulfur. Incompatible with many materials including strong oxidizers, metals, strong nitric acid, bromine pentafluoride, chlorine trifluoride, nitrogen triiodide, nitrogen trichloride, oxygen difluoride and phenyl diazonium chloride. Avoid physical damage to containers; sources of ignition; storage near nitric acid, strong oxidizing materials, and corrosive liquids or gases.
HYDROGEN SULFIDE Preparation Products And Raw materials
Raw materials
Calcium chloride Phosphorous acid Sulphur
Preparation Products
Nickel(II) chloride hexahydrate DIMEPIPERATE CALCIUM IODIDE HYDRATE 2-Chlorophenothiazine L(-)-Carvone 3-Mercaptopropionic acid Konjac glucomannan 2-AMINOETHANETHIOL Amidinothiourea Nickelous oxide Silicon carbide Vidarabine CARBONYL SULFIDE SULPROFOS Thiocarbohydrazide Dithizone N-OMEGA-ACETYLHISTAMINE Lead acetate trihydrate P-MENTHA-8-THIOL-3-ONE 1,7-HEPTANEDIOL MOLYBDENUM(IV) SULFIDE 4(5)-CYANOMETHYLIMIDAZOLE 4-IMIDAZOLEACETIC ACID HYDROCHLORIDE Diphenylthiocarbazide Metribuzin 1-Propanethiol D(+)-Carvone L-Cysteine Diethyl chlorothiophosphate L(+)-Potassium hydrogen tartrate Ammonium thiosulfate Urocanic acid Potassium thiocyanate 4-Imidazolemethanol hydrochloride Dimethylphosphorodithioate 2-Methyl-2-propanethiol 5-Amino-1,2,3-thiadiazole L-Cysteine hydrochloride monohydrate Nizatidine Difurfuryldisulfide
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7783-06-4(HYDROGEN SULFIDE)Related Search:
CHLOROCARBONYLSULFENYL CHLORIDE Triethylsilyl trifluoromethanesulfonate Tosylmethyl isocyanide PENTAFLUOROPHENYL SULFIDE 4-Fluorophenyl sulfone TrimethylSilyl Trifluoromethanesulfonate Ethyl trifluoromethanesulfonate Chloramine-T S-ETHYL TRIFLUOROTHIOACETATE Trifluoromethanesulfonic anhydride Diethylaminosulfur trifluoride N,N-Bis(trifluoromethylsulfonyl)aniline Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester 2-Bromothioanisole Methyl trifluoromethanesulfonate 2,2,2-TRIFLUOROETHYL P-TOLUENESULFONATE BIS(2,4,5-TRICHLOROPHENYL) DISULFIDE 4-CHLOROPHENYL SULFOXIDE
7783-06-4 H2S HYDROGEN SULFIDE, SOLID HYDROGEN SULFIDE WATER HYDROGEN SULFIDE WATER, SAT HYDROGEN SULPHIDE HYDROGEN SULFIDE Compressed and Liquefied Gases Synthetic Reagents Acide sulfhydrique acidesulfhydrique acidesulfhydrique(french) acidesulphhydrique Dihydrogen monosulfide Dihydrogen sulfide dihydrogenmonosulfide dihydrogensulfide Hepatic acid Hepatic gas Hydrogen monosulfide Hydrogen sulfide (H2S) Hydrogene sulfure hydrogenesulfure hydrogenesulphure Hydrogensulfid Hydrogensulfide(H2S) hydrogensulfidecyl.with10l(net~6.8kg) hydrogensulfure(french) hydrogensulfuricacid Hydrosulfuric acid hydrosulfuricacid Idrogeno solforato idrogenosolforato Rcra waste number U135 rcrawastenumberu135 Schwefelwasserstoff Sewer gas sewergas Siarkowodor siarkowodor(polish) Sour gas sourgas Stink damp stinkdamp Sulfur hydride Sulfur hydroxide Sulfureted hydrogen sulfuretedhydrogen Sulfuretted hydrogen sulfurhydride Zwavelwaterstof Hydrogen Sulfide? Hydrosulfuric acid HYDROGEN SULFIDE, 99.5+% 7783-06-04 Inorganics Chemical Synthesis Compressed and Liquefied Gases Synthetic Reagents
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