540-82-9 Usage
Description
Ethyl hydrogen sulphate, also known as ethyl hydrogen sulfate, is a colorless, oily liquid with a density of 1.367. It is highly soluble in water and has a boiling point of 280°C (536°F), at which it decomposes. ethyl hydrogen sulphate is heavier than water and can cause severe irritation to the skin, eyes, and mucous membranes upon contact. Ethyl hydrogen sulphate is toxic through ingestion, inhalation, and skin absorption and is primarily used in the synthesis of other chemicals.
Uses
Used in Chemical Synthesis:
Ethyl hydrogen sulphate is used as an intermediate in the synthesis of ethanol from ethylene. It plays a crucial role in the chemical reactions that produce ethanol, a widely used alcohol in various industries.
Used in Pharmaceutical Industry:
Ethyl hydrogen sulphate is used to make other chemicals, which can be further utilized in the pharmaceutical industry for the development of drugs and medications.
Used in Chemical Research:
Due to its unique chemical properties, ethyl hydrogen sulphate can be employed in research and development for understanding various chemical reactions and processes.
Air & Water Reactions
They are soluble in water and weigh more than water. Heat may be generated by dissolution into water.
Health Hazard
TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Contact with molten substance may cause severe burns to skin and eyes. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Health Hazard
The liquid is a strong irritant to skin. Suchirritant property may be attributed to sulfuric acid resulting from the reaction withthe moisture in the skin. The vapors of thissubstance are highly irritating to the res-piratory tract. It readily forms salts withgroup IIA metals. The barium salt, bariumethyl sulfate is highly toxic.
Fire Hazard
Combustible material: may burn but does not ignite readily. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.
Check Digit Verification of cas no
The CAS Registry Mumber 540-82-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,4 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 540-82:
(5*5)+(4*4)+(3*0)+(2*8)+(1*2)=59
59 % 10 = 9
So 540-82-9 is a valid CAS Registry Number.
InChI:InChI=1/C2H6O4S/c1-2-6-7(3,4)5/h2H2,1H3,(H,3,4,5)
540-82-9Relevant articles and documents
EQUILIBRIA IN SOLUTIONS OF METHANOL OR ETHANOL, SULFURIC ACID, AND ALKYL SULFATES
Almstead, N.,Christ, W.,Miller, G.,Reilly-Packard, S.,Vargas, K.,Zuman, P.
, p. 1627 - 1628 (1987)
Equilibria in reactions of methanol and ethanol with sulfuric acid or in hydrolyses of alkyl sulfates were followed using 13C NMR, anion-exchange HPLC, and titrations.Variations of equilibrium constant K = (ester)(H2O)/(ROH)(HSO4(1-)) with acidity indicate participation of reactions ROH2(1+) + HSO4(1-) ROH(1+)SO3(1-) + H2O, accompanied by acid base equilibra involving the alcohol and ester.For mixtures containing initially 20percent (w/w) alcohol, pKMeOH2(1+) = -4.2, pKEtOH2(1+) = -3.7, pKMeOH(1+)SO3(1-) = -3.3 and pKEtOH(1+)SO3(1-) = -2.7.
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Berthelot
, p. 295 (1873)
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Dunnicliff,Butler
, p. 1387 (1921)
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Dunnicliff,Sikka,Hoon
, p. 1211 (1926)
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Paik,Swann,Keyes
, p. 174 (1938)
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Hamid,Singh,Dunnicliff
, p. 1100 (1926)
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A capillary electrophoresis study of the synthesis and stability of 1,2-decanedisulfate, 1-hydroxy-2-decanesulfate, and 2-hydroxy-1-decanesulfate
Walker, Richard A.,MacDonald, Aaron C.,MacGillivray, Tanya,Marangoni, D. Gerrard,Smith-Palmer, Truis
, p. 292 - 296 (2007/10/03)
Capillary zone electrophoresis (CZE) was used to study the preparation of 1,2-decanedisulfate from 1,2-decanediol and determine the stability of the two-headed surfactant and the corresponding hydroxydecanesulfates under both acidic and basic conditions. The optimum buffer for the CZE determination was found to be diethylbarbiturate. Resolution of the hydroxydecanesulfate constitutional isomers was facilitated by the addition of magnesium ions. Decanedisulfate was stable in base but hydrolyzed in acid. The hydroxysulfates hydrolyzed much more rapidly, and in both acid and base. Mechanisms were postulated based on differential rates of formation and hydrolysis of the hydroxydecanesulfate constitutional isomers.
Mg2+-Promoted P-O vs. S-O Bond Cleavage in the Alcoholyses of Phenyl Phosphatosulfate
Eiki, Toshio,Negishi, Shin-ichi,Izumi, Mitsunori,Ishida, Naoko,Hada, Hiroshi
, p. 2931 - 2935 (2007/10/02)
In order to obtain insight into the selectivity of Mg2+ at the site of bond cleavage of P-O and S-O of the P-O-S linkage, metal ion-promoted alcoholyses of phenyl phosphatosulfate were studied.Mg2+ quantitatively promoted P-O bond cleavage in the methanolysis, but mixed cleavage of the P-O bond, which occurred partly due to hydrolysis by trace water and the S-O bond in the reaction of ethanol, 1- or 2-propanol.The ratio of the S-O bond cleavage against the mixed cleavage increased in a order EtOH (11.5percent) 2+ and Zn2+ promoted selective P-O and S-O bond cleavage, respectively, in the reaction of 2-propanol as well as methanolysis.The medium-dependent change in the selectivity of Mg2+ at the site of bond cleavage was discussed.