Product Name

  • Name

    Potassium methyl sulfate

  • EINECS 209-231-3
  • CAS No. 562-54-9
  • Article Data4
  • CAS DataBase
  • Density 1.602g/cm3
  • Solubility soluble in water
  • Melting Point 212-217 ºC
  • Formula CH3KO4S
  • Boiling Point
  • Molecular Weight 150.197
  • Flash Point
  • Transport Information
  • Appearance white crystalline powder
  • Safety 53-45-36/37/39-26
  • Risk Codes 45-36/37/38-20/22
  • Molecular Structure Molecular Structure of 562-54-9 (Potassium methyl sulfate)
  • Hazard Symbols ToxicT
  • Synonyms Methylpotassium sulfate (6CI,7CI);Sulfuric acid, monomethyl ester, potassium salt(8CI,9CI);Potassium methyl sulfate;Potassium monomethylsulfate;
  • PSA 74.81000
  • LogP 0.17380

Synthetic route

dimethyl sulfate
77-78-1

dimethyl sulfate

potassium methyl sulfate
562-54-9

potassium methyl sulfate

Conditions
ConditionsYield
With potassium acetate In methanol at 5 - 50℃; for 5.16h;63%
With methanol; potassium hydroxide; water
benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

A

potassium methyl sulfate
562-54-9

potassium methyl sulfate

B

Potassium benzoate
582-25-2

Potassium benzoate

Conditions
ConditionsYield
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 1150 min, 2.) 70-80 deg C, 30 min; Yield given. Multistep reaction. Yields of byproduct given;
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 1150 min, 2.) 70-80 deg C, 30 min; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

A

potassium methyl sulfate
562-54-9

potassium methyl sulfate

B

dipotassium 3-sulfobenzoate

dipotassium 3-sulfobenzoate

Conditions
ConditionsYield
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 1150 min, 2.) 70 - 80 deg C, 30 min; Multistep reaction. Title compound not separated from byproducts;
methyl 1-naphthoate
2459-24-7

methyl 1-naphthoate

A

5-sulfo-1-naphthoic acid
51307-69-8

5-sulfo-1-naphthoic acid

B

8-sulfo-1-naphthoic acid

8-sulfo-1-naphthoic acid

C

potassium methyl sulfate
562-54-9

potassium methyl sulfate

Conditions
ConditionsYield
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 140 min, 2.) 70 - 80 deg C, 30 min; Multistep reaction. Title compound not separated from byproducts;
methyl naphthalene-2-carboxylate
2459-25-8

methyl naphthalene-2-carboxylate

A

naphthalene-2-acetic-8-sulphonic acid
739346-35-1

naphthalene-2-acetic-8-sulphonic acid

B

5-sulfo-2-naphthoic acid
738561-48-3

5-sulfo-2-naphthoic acid

C

potassium methyl sulfate
562-54-9

potassium methyl sulfate

Conditions
ConditionsYield
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 120 min, 2.) 70 - 80 deg C, 30 min; Multistep reaction. Title compound not separated from byproducts;
methyl naphthalene-2-carboxylate
2459-25-8

methyl naphthalene-2-carboxylate

A

naphthalene-2-acetic-8-sulphonic acid
739346-35-1

naphthalene-2-acetic-8-sulphonic acid

B

5-sulfo-2-naphthoic acid
738561-48-3

5-sulfo-2-naphthoic acid

C

potassium methyl sulfate
562-54-9

potassium methyl sulfate

D

4,8-disulfo-2-naphthoic acid

4,8-disulfo-2-naphthoic acid

E

7,7-disulfo-2-naphthoic acid

7,7-disulfo-2-naphthoic acid

Conditions
ConditionsYield
With sulfur trioxide; water Product distribution; multistep reaction; various reaction conditions;
methyl naphthalene-2-carboxylate
2459-25-8

methyl naphthalene-2-carboxylate

A

naphthalene-2-acetic-8-sulphonic acid
739346-35-1

naphthalene-2-acetic-8-sulphonic acid

B

potassium methyl sulfate
562-54-9

potassium methyl sulfate

C

4,8-disulfo-2-naphthoic acid

4,8-disulfo-2-naphthoic acid

D

7,7-disulfo-2-naphthoic acid

7,7-disulfo-2-naphthoic acid

Conditions
ConditionsYield
With sulfur trioxide; water 1.) CH2Cl2, 22 deg C, 1530 min, 2.) 70 - 80 deg C, 30 min; Multistep reaction. Title compound not separated from byproducts;
water
7732-18-5

water

dimethyl sulfate
77-78-1

dimethyl sulfate

methanolic KOH-solution

methanolic KOH-solution

potassium methyl sulfate
562-54-9

potassium methyl sulfate

sulfuric acid monomethyl ester; dichloro tin (IV)-compound

sulfuric acid monomethyl ester; dichloro tin (IV)-compound

aqueous KOH-solution

aqueous KOH-solution

A

potassium methyl sulfate
562-54-9

potassium methyl sulfate

B

Sn(OH)4

Sn(OH)4

C

KCl

KCl

piperazine
110-85-0

piperazine

potassium methyl sulfate
562-54-9

potassium methyl sulfate

N,N'-dimethylpiperazine
106-58-1

N,N'-dimethylpiperazine

Conditions
ConditionsYield
With water
acetamide
60-35-5

acetamide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

N-methyl-acetamide
79-16-3

N-methyl-acetamide

Conditions
ConditionsYield
With sodium ethanolate
benzoimidazole
51-17-2

benzoimidazole

potassium methyl sulfate
562-54-9

potassium methyl sulfate

1-Methylbenzimidazole
1632-83-3

1-Methylbenzimidazole

Conditions
ConditionsYield
With sodium hydroxide
3,4-Dimethylphenol
95-65-8

3,4-Dimethylphenol

potassium methyl sulfate
562-54-9

potassium methyl sulfate

3,4-dimethylanisole
4685-47-6

3,4-dimethylanisole

Conditions
ConditionsYield
With sodium hydroxide
4,5,6,7-tetrahydro-1H-benzimidazole
3752-24-7

4,5,6,7-tetrahydro-1H-benzimidazole

potassium methyl sulfate
562-54-9

potassium methyl sulfate

1-methyl-4,5,6,7-tetrahydro-1H-benzo[d]imidazole
1837-49-6

1-methyl-4,5,6,7-tetrahydro-1H-benzo[d]imidazole

Conditions
ConditionsYield
With sodium hydroxide
N-ethylisobutylamine
13205-60-2

N-ethylisobutylamine

potassium methyl sulfate
562-54-9

potassium methyl sulfate

ethyl-isobutyl-methyl-amine
60247-14-5

ethyl-isobutyl-methyl-amine

2,3-Dimethylphenol
526-75-0

2,3-Dimethylphenol

potassium methyl sulfate
562-54-9

potassium methyl sulfate

2,3-dimethylanisole
2944-49-2

2,3-dimethylanisole

Conditions
ConditionsYield
With sodium hydroxide
5-hydroxy-2,3-dihydro-1H-indene
1470-94-6

5-hydroxy-2,3-dihydro-1H-indene

potassium methyl sulfate
562-54-9

potassium methyl sulfate

5-methoxyindane
5111-69-3

5-methoxyindane

Conditions
ConditionsYield
With sodium hydroxide; water
4-indanol
1641-41-4

4-indanol

potassium methyl sulfate
562-54-9

potassium methyl sulfate

4-methoxy-2,3-dihydro-1H-indene
21573-42-2

4-methoxy-2,3-dihydro-1H-indene

Conditions
ConditionsYield
With sodium hydroxide
2-mercapto-N-p-tolylacetamide
34282-30-9

2-mercapto-N-p-tolylacetamide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

methylsulfanyl-acetic acid p-toluidide
685551-36-4

methylsulfanyl-acetic acid p-toluidide

Conditions
ConditionsYield
With sodium hydroxide
methyl nitrate
598-58-3

methyl nitrate

3-methyluric acid
605-99-2

3-methyluric acid

potassium methyl sulfate
562-54-9

potassium methyl sulfate

9-methyluric acid
55441-71-9

9-methyluric acid

Conditions
ConditionsYield
at 100℃;
2-mercapto-N-phenylacetamide
4822-44-0

2-mercapto-N-phenylacetamide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

2-(methylsulfanyl)-N-phenylacetamide
10156-36-2

2-(methylsulfanyl)-N-phenylacetamide

Conditions
ConditionsYield
With sodium hydroxide
5-chloro-1H-benzimidazole
4887-82-5

5-chloro-1H-benzimidazole

potassium methyl sulfate
562-54-9

potassium methyl sulfate

1-methyl-5-chlorobenzimidazole
10394-36-2

1-methyl-5-chlorobenzimidazole

Conditions
ConditionsYield
With sodium hydroxide
potassium cyanate
590-28-3

potassium cyanate

potassium methyl sulfate
562-54-9

potassium methyl sulfate

methyl isocyanate
624-83-9

methyl isocyanate

potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

potassium methyl sulfate
562-54-9

potassium methyl sulfate

O-ethyl S-methyl dithiocarbonate
623-54-1

O-ethyl S-methyl dithiocarbonate

sodium benzenesulfonate
873-55-2

sodium benzenesulfonate

potassium methyl sulfate
562-54-9

potassium methyl sulfate

Methyl phenyl sulfone
3112-85-4

Methyl phenyl sulfone

Conditions
ConditionsYield
With water at 120 - 130℃; im geschlossenen Rohr;
sodium benzylmercaptide
3492-64-6

sodium benzylmercaptide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

[(methylthio)methyl]-benzene
766-92-7

[(methylthio)methyl]-benzene

Conditions
ConditionsYield
With water
potassium methyl sulfate
562-54-9

potassium methyl sulfate

sodium benzamidate
39536-32-8

sodium benzamidate

N-methylbenzamide
88070-48-8

N-methylbenzamide

potassium cyanide
151-50-8

potassium cyanide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

acetonitrile
75-05-8

acetonitrile

Conditions
ConditionsYield
bei der Destillation;
potassium cyanide
151-50-8

potassium cyanide

potassium methyl sulfate
562-54-9

potassium methyl sulfate

A

methyl isocyanate
593-75-9, 685498-28-6

methyl isocyanate

B

acetonitrile
75-05-8

acetonitrile

Conditions
ConditionsYield
With water
potassium methyl sulfate
562-54-9

potassium methyl sulfate

methylthiol
74-93-1

methylthiol

Conditions
ConditionsYield
With water; potassium hydrosulfide
potassium methyl sulfate
562-54-9

potassium methyl sulfate

dimethylsulfide
75-18-3

dimethylsulfide

Conditions
ConditionsYield
With potassium sulphide; water
potassium methyl sulfate
562-54-9

potassium methyl sulfate

dimethylselenide
593-79-3

dimethylselenide

Conditions
ConditionsYield
With sodium selenide
potassium methyl sulfate
562-54-9

potassium methyl sulfate

dimethyl diselenide
7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
With potassium diselenide
potassium methyl sulfate
562-54-9

potassium methyl sulfate

A

nitromethane
75-52-5

nitromethane

B

methyl nitrite
624-91-9

methyl nitrite

Conditions
ConditionsYield
With alkali nitrite
With alkaline earth nitrite
potassium methyl sulfate
562-54-9

potassium methyl sulfate

Methyl fluoride
593-53-3

Methyl fluoride

Conditions
ConditionsYield
With potassium fluoride
potassium methyl sulfate
562-54-9

potassium methyl sulfate

Dimethyl ether
115-10-6

Dimethyl ether

Conditions
ConditionsYield
at 220 - 280℃;
potassium methyl sulfate
562-54-9

potassium methyl sulfate

methanetrisulfonic acid
54322-33-7

methanetrisulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 100℃;
1,2-dimethoxybenzene
91-16-7

1,2-dimethoxybenzene

potassium methyl sulfate
562-54-9

potassium methyl sulfate

benzene-1,2-diol
120-80-9

benzene-1,2-diol

2-methoxy-phenol
90-05-1

2-methoxy-phenol

Conditions
ConditionsYield
With sodium hydrogencarbonate at 170 - 180℃;

Potassium methyl sulfate Specification

The IUPAC name of Potassium methyl sulfate is potassium methyl sulfate. With the CAS registry number 562-54-9, it is also named as Sulfuric acid, monomethyl ester, potassium salt. The product is soluble in water. Besides, it is white crystalline powder, which should be stored in closed containers in a cool and dry warehouse. In addition, its molecular formula is CH3KO4S and molecular weight is 150.19.

The other characteristics of Potassium methyl sulfate can be summarized as: (1)EINECS: 209-231-3; (2)ACD/LogP: -0.45; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -3.95; (5)ACD/LogD (pH 7.4): -3.95; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)ACD/KOC (pH 5.5): 1; (9)ACD/KOC (pH 7.4): 1; (10)#H bond acceptors: 4; (11)#H bond donors: 1; (12)#Freely Rotating Bonds: 1; (13)Rotatable Bond Count: 1; (14)Exact Mass: 149.938911; (15)MonoIsotopic Mass: 149.938911; (16)Topological Polar Surface Area: 74.8; (17)Heavy Atom Count: 7; (18)Complexity: 108; (19)Polar Surface Area: 71.98 Å2; (20)Melting point: 212-217 °C.

When you are using this chemical, please be cautious about it as the following: it is harmful by inhalation and if swallowed. And it is also irritating to eyes, respiratory system and skin. You should wear suitable protective clothing, gloves and eye/face protection. Moreover, it may cause cancer. Please avoid exposure - obtain special instructions before use. And in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Furthermore, in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

People can use the following data to convert to the molecule structure.
(1)SMILES: [K+].[O-]S(=O)(=O)OC
(2)InChI: InChI=1/CH4O4S.K/c1-5-6(2,3)4;/h1H3,(H,2,3,4);/q;+1/p-1
(3)InChIKey: WBGWGHYJIFOATF-REWHXWOFAT
(4)Std. InChI: InChI=1S/CH4O4S.K/c1-5-6(2,3)4;/h1H3,(H,2,3,4);/q;+1/p-1
(5)Std. InChIKey: WBGWGHYJIFOATF-UHFFFAOYSA-M

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