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HYDROGEN SULFIDE

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Products Intro:Product Name:Hydrogen sulfide
CAS:7783-06-4
Purity:2000 μg/ML in Toluene Package:1ML
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Products Intro:Product Name:Hydrogen sulfide
CAS:7783-06-4
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Products Intro:Product Name:Hydrogen sulfide
CAS:7783-06-4
Purity:98% Package:50kg;25kg;10kg;5kg;500g;500mg;
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Products Intro:Product Name:HYDROGEN SULFIDE
CAS:7783-06-4
Purity:>98% HPLC Package:100g;500g;1kg;10kg
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Products Intro:CAS:7783-06-4
HYDROGEN SULFIDE Basic information
Product Name:HYDROGEN SULFIDE
Synonyms:H2S;HYDROGEN SULFIDE, SOLID;HYDROGEN SULFIDE WATER;HYDROGEN SULFIDE WATER, SAT;HYDROGEN SULPHIDE;HYDROGEN SULFIDE;Acide sulfhydrique;acidesulfhydrique
CAS:7783-06-4
MF:H2S
MW:34.08
EINECS:231-977-3
Product Categories:Inorganics;Chemical Synthesis;Compressed and Liquefied Gases;Synthetic Reagents;Chemical Synthesis;Specialty Gases;Synthetic Reagents
Mol File:7783-06-4.mol
HYDROGEN SULFIDE Structure
HYDROGEN SULFIDE Chemical Properties
Melting point −85 °C(lit.)
Boiling point −60 °C(lit.)
density dgas 1.19 (air = 1.00)
vapor density 1.19 (15 °C, vs air)
vapor pressure 252 psi ( 21 °C)
FEMA 3779 | HYDROGEN SULFIDE
Fp -17℃
storage temp. 2-8°C
pka7(at 25℃)
explosive limit6%
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 Reference7783-06-4(CAS DataBase Reference)
Safety Information
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
MSDS Information
ProviderLanguage
SigmaAldrich English
HYDROGEN SULFIDE Usage And Synthesis
Chemical Propertiescolourless gas with strong odour of rotten eggs (odour threshold ca 0.2 ppt)
DefinitionChEBI: 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.
UsesTo produce elemental sulfur and sulfuric acid; in manufacture of heavy water and other chemicals; in metallurgy; as analytical reagent.
Air & Water ReactionsHighly 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 ProfileHYDROGEN 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 HazardExposure 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 HazardCompound 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.
Tag:HYDROGEN SULFIDE(7783-06-4) Related Product Information
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