Methyl Sulfate
Title: Methyl Sulfate
CAS Registry Number: 75-93-4
CAS Name: Sulfuric acid monomethyl ester
Additional Names: methylsulfuric acid; methyl hydrogen sulfate; monomethyl sulfate; acid methyl sulfate; "Methylsäure"
Molecular Formula: CH4O4S
Molecular Weight: 112.11
Percent Composition: C 10.71%, H 3.60%, O 57.08%, S 28.60%
Line Formula: CH3OSO2OH
Literature References: Prepn from methanol and methyl chlorosulfonate: Levaillant, Simon, Compt. Rend. 169, 855 (1919); from methanol and sulfuric acid: Dumas, Peligot, Ann. 15, 40 (1835); from sulfur trioxide and methanol below 0°: Chamberlain et al., BIOS Final Report No. 1482, pp 6 and 8 (1946). Review: C. M. Suter, The Organic Chemistry of Sulfur (John Wiley, 1944) pp 18-23.
Properties: Oily liquid; does not solidify at -30°. d415 1.45-1.47. Freely sol in water, less sol in alcohol. Miscible with ether.
Density: d415 1.45-1.47
 
Derivative Type: Barium salt
Additional Names: Barium methyl sulfate
Molecular Formula: C2H6BaO8S2
Molecular Weight: 359.52
Percent Composition: C 6.68%, H 1.68%, Ba 38.20%, O 35.60%, S 17.84%
Properties: Dihydrate, efflorescent crystals. Sol in water, alc.
 
Derivative Type: Calcium salt
Additional Names: Calcium methyl sulfate; calcium sulfomethylate
Molecular Formula: C2H6CaO8S2
Molecular Weight: 262.27
Percent Composition: C 9.16%, H 2.31%, Ca 15.28%, O 48.80%, S 24.45%
Properties: Crystals. Soluble in water.
 
NOTE: See also Dimethyl Sulfate.
Use: In sulfonation; as solvent in bromination of indigo dyes.

Others monographs:
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Mercuric SulfateDeuteriumCarbonyl SulfideNithiazide
2,4-DinitrophenolApoatropinePhenosafranin3,3'-Thiodipropionic Acid
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