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149-30-4

Basic Information
CAS No.: 149-30-4
Name: 2-Mercaptobenzothiazole
Article Data: 199
Molecular Structure:
Molecular Structure of 149-30-4 (2-Mercaptobenzothiazole)
Formula: C7H5NS2
Molecular Weight: 167.255
Synonyms: Vulcanization accelerator M (MBT);Accelerator M;Royal MBT;Wobezit M;Sanceler M;2 (3H)-Benzothiazolethione;Ekagom G;MBT(M);Kaptaks;Nocceler M;AG 63;Nonflex NB;Vulkacit Mercapto/MG;Accel M;Mertax;2(3H)-Benzothiazolethione;2-Mercaptobenzothiazole;
EINECS: 205-736-8
Density: 1.46 g/cm3
Melting Point: 177-181 °C(lit.)
Boiling Point: 305 °C at 760 mmHg
Flash Point: 138.3 °C
Solubility: water: <0.1 g/100 mL at 19 °C
Appearance: beige or light yellow powder with a faint odour
Hazard Symbols: IrritantXi,DangerousN
Risk Codes: 43-50/53
Safety: 24-37-60-61
Transport Information: UN 3077 9/PG 3
PSA: 79.93000
LogP: 2.58500
Synthetic route
10220-34-5

N-isopropyl-2-benzothiazolesulfenamide

762-04-9, 123-22-8

Diethyl phosphonate

A

22685-19-4

diethyl N-isopropylphosphoramidate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 91%
B 100%
10220-34-5

N-isopropyl-2-benzothiazolesulfenamide

691-96-3

diisopropyl phosphite

A

74124-46-2

diisopropyl N-isopropylphosphoramidate

B

75291-14-4

Thiophosphoric acid S-benzothiazol-2-yl ester O,O'-diisopropyl ester

C

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 72%
B 17%
C 100%
26773-65-9

N-piperidin-2-benzothiazole sulfenamide

762-04-9, 123-22-8

Diethyl phosphonate

A

4972-36-5

O,O-diethyl piperidinophosphate diester

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 93%
B 100%
26773-65-9

N-piperidin-2-benzothiazole sulfenamide

691-96-3

diisopropyl phosphite

A

74124-51-9

diisopropyl piperidinophosphonate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 82%
B 100%
691-96-3

diisopropyl phosphite

102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

149-30-4

2-Mercaptobenzothiazole

B

74124-50-8

diisopropyl morpholinophosphonate

Conditions
ConditionsYield
A 100%
B 96%
762-04-9, 123-22-8

Diethyl phosphonate

95-33-0

N-(cyclohexyl)benzothiazole-2-sulfenamide

A

32405-88-2

diethyl cyclohexylphosphoramidate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 83%
B 100%
691-96-3

diisopropyl phosphite

95-33-0

N-(cyclohexyl)benzothiazole-2-sulfenamide

A

54480-52-3

diisopropyl N-cyclohexylphosphoramidate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 87%
B 100%
96-36-6, 868-85-9

methyl phosphite

26773-69-3

N-(phenylmethyl)-2-benzothiazolesulfenamide

A

74124-44-0

(Benzylamido)phosphorsaeure-dimethylester

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 82%
B 100%
762-04-9, 123-22-8

Diethyl phosphonate

26773-69-3

N-(phenylmethyl)-2-benzothiazolesulfenamide

A

53640-96-3

diethyl N-benzylphosphoramidate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 80%
B 100%
691-96-3

diisopropyl phosphite

26773-69-3

N-(phenylmethyl)-2-benzothiazolesulfenamide

A

59658-74-1

diisopropyl benzylphosphoramidate

B

149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 90%
B 100%
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Chemistry

IUPAC Name: 3H-1,3-Benzothiazole-2-thione
Synonyms: 1,3-Benzothiazol-2-thiol ; 1,3-Benzothiazole-2(3H)-thione ; 1,3-Benzothiazole-2-thiol ; 2-Benzothiazolethiol ; Bantex
Product Categories: Rubber Chemicals;Industrial/Fine Chemicals;BENZOTHIAZOLE;Sulfur compounds;Sulphur Derivatives;Organics;Copper corrosion inhibitor
CAS NO: 149-30-4
Molecular Formula of 2-Mercaptobenzothiazole (CAS NO.149-30-4) : C7H5NS2
Molecular Weight of 2-Mercaptobenzothiazole (CAS NO.149-30-4) : 167.25
Molecular Structure of 2-Mercaptobenzothiazole (CAS NO.149-30-4) :
EINECS: 205-736-8
Mol File: 149-30-4.mol
Merck : 14,5868
BRN : 119484
Index of Refraction: 1.783
Surface Tension: 78 dyne/cm
Density: 1.46 g/cm3
Flash Point: 138.3 °C
Enthalpy of Vaporization: 54.54 kJ/mol
Boiling Point: 305 °C at 760 mmHg
Vapour Pressure: 0.000844 mmHg at 25°C
Melting point: 177-181 °C(lit.)
Water Solubility : <0.1 g/100 mL at 19 ºC
Sensitive : Air Sensitive
Stability: Stable. Incompatible with strong oxidizing agents. Flammable.
beige or light yellow powder with a faint odour
Solubility: not soluble in water and gasoline, insoluble in ethanol, ethyl ether, acetone, ethyl acetate, benzene, chloroform and dilute lye.

Production

Preparation Products: Inhibitor-->2,2'-Dithiobis(benzothiazole)-->Benzothiazole-->corrosion inhibitor PBTCA-type-->N,N-Dicyclohexyl-2-benzothiazolsulfene amide-->N-Cyclohexyl-2-benzothiazolesulfenamide -->2-(Morpholinothio)benzothiazole-->N-tert-Butyl-2-benzothiazolesulfenamide -->2-Chlorobenzothiazole-->N-methylbenzothiazol-2-amine-->scale inhibitor and sipersant TS-104-->scale agent QⅠ-105-->Accelerator DBM
Raw materials : Sodium hydroxide-->Sulfuric acid -->Chlorine-->Sulfur-->Aniline-->Carbon disulphide-->Sulphur-->2-Nitrochlorobenzene-->Sodium hydrosulfide-->SODIUM TETRASULFIDE-->2-Aminobenzenethiol-->THIAZOLIDINE-->Fatty amine-->1,3-Diphenyl-2-thiourea-->Sodium mercaptobenzothiazole

Safety Profile

Hazard Codes IrritantXi,DangerousN
Risk Statements 43-50/53
R43:May cause sensitization by skin contact. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements 24-37-60-61
S24:Avoid contact with skin. 
S37:Wear suitable gloves. 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS DL6475000
F 9-13-23
HS Code 29342020

Specification

1.General Description: Pale yellow to tan crystalline powder with a disagreeable odor.
2.Air & Water Reactions: Insoluble in water.
3.Reactivity Profile :2-Mercaptobenzothiazole is incompatible with strong oxidizing agents. Also incompatible with acids and acid fumes .
4.Fire Hazard: 2-Mercaptobenzothiazole is combustible.