Table 1 CAS registry number, mass fraction of the chemicals.

From: One-step preparation of deep eutectic solvents/ reduced graphene oxide composite materials for the removal of dibenzothiophene in fuel oil

Component

CAS Reg.No

Suppliers

Mass fraction

Choline chloride

67-48-1

Shanghai Aladdin Industrial Corporation

98%

p-Toluene sulfonic acid-hydrate

6192-52-5

Shanghai Aladdin Industrial Corporation

 ≥ 98.5%

Dibenzothiophene

132-65-0

Shanghai Aladdin Industrial Corporation

 ≥ 99%

Ferric chloride

7705-08-0

Shanghai Aladdin Industrial Corporation

 ≥ 99.9%

Periodic acid

10450-60-9

Shanghai Aladdin Industrial Corporation

 ≥ 99.0%

Cyclohexanone peroxide

12262-58-7

Shanghai Aladdin Industrial Corporation

50%

Tetramethylammonium chloride

75-57-0

Shanghai Aladdin Industrial Corporation

 ≥ 98.0%

Tert butyl hydroperoxide

75-91-2

Shanghai Aladdin Industrial Corporation

70%

30% Hydrogen peroxide

7722-84-1

Tianjin Kemeiou Chemical Reagent Co., Ltd

30%

5-Sulfosalicylic acid

5965-83-3

Tianjin Kemeiou Chemical Reagent Co., Ltd

 ≥ 99.0%

Concentrated sulfuric acid

7664-93-9

Tianjin Kemeiou Chemical Reagent Co., Ltd

98%

Muriatic acid

7647-01-0

Tianjin Kemeiou Chemical Reagent Co., Ltd

37%

n-Octane

111-65-9

Tianjin Damao Chemical Reagent Factory

95%

Potassium permanganate

89-04-01

the No. 1 branch of Dandong Chemical Plant No. 2

 ≥ 99.5%

Polyethylene glycol 400

25322-68-3

Sinopharm Chemical Reagent Co., Ltd

CP

Methyl tert-butyl ether

1634-04-4

Sinopharm Chemical Reagent Co., Ltd

 ≥ 99.0%

Tetrabutylammonium chloride

1112-67-0

Shanghai Titan Scientific Co., Ltd

95%

Vitamin c

50-81-7

Nanjing Dulai Biotechnology Co., Ltd

 ≥ 99.0%

n-Hexadecane

544-76-3

Shanghai Aladdin Biochemical Technology Co., Ltd

98%

Sodium nitrate

7631-99-4

Shanghai Aladdin Biochemical Technology Co., Ltd

99.0%

Propionic acid

79-09-4

Shanghai Aladdin Chemistry Co., Ltd

 ≥ 99.5%

Tetraethylammonium chloride

56-34-8

Shanghai Macklin Biochemical Co., Ltd

98%