Product Name

  • Name

    2-(Morpholinothio)benzothiazole

  • EINECS 203-052-4
  • CAS No. 102-77-2
  • Article Data36
  • CAS DataBase
  • Density 1.34-1.40
  • Solubility
  • Melting Point 78-80 °C
  • Formula C11H12N2OS2
  • Boiling Point 413.1 °C at 760 mmHg
  • Molecular Weight 252.361
  • Flash Point 203.6 °C
  • Transport Information UN 3077
  • Appearance COA
  • Safety 20/21-36-61-37-26-24
  • Risk Codes 22-51/53-43-36/38
  • Molecular Structure Molecular Structure of 102-77-2 (2-(Morpholinothio)benzothiazole)
  • Hazard Symbols IrritantXi,DangerousN
  • Synonyms Benzothiazole,2-(morpholinothio)- (6CI,7CI,8CI);Morpholine, 4-(2-benzothiazolylthio)- (9CI);2-(4-Morpholinothio)benzothiazole;2-(4-Morpholinylmercapto)benzothiazole;2-(4-Morpholinylthio)benzothiazole;2-(Morpholinothio)benzothiazole;2-Benzothiazolyl N-morpholino sulfide;2-Benzothiazolylsulfenylmorpholine;4-(2-Benzothiazolylthio)morpholine;Accel NS;Accelerator NS;Amax;Cure-riteOBTS;Delac MOR;MBS;Meramid M;N,N-(Oxydiethylene)benzothiazole-2-sulfenamide;N-Morpholino-2-benzothiazolylsulfenamide;N-Oxydiethyl-2-benzothiazolesulfenamide;N-Oxydiethylene-2-benzothiazolylsulfenamide;NOBS Special;Pilcure MOR;Rhenogran MBS 80;SA-M;Rubber Accelerator NOBS (MBS);2-Benzothiazolyl-N-morpholinosulfide;
  • PSA 78.90000
  • LogP 2.57350

Synthetic route

morpholine
110-91-8

morpholine

di(benzothiazol-2-yl)disulfide
120-78-5

di(benzothiazol-2-yl)disulfide

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With sodium hydroxide In toluene99.5%
With tetraethylammonium perchlorate In N,N-dimethyl-formamide for 16h; (electrolysis);
morpholine
110-91-8

morpholine

benzothiazole sulfenamide
2801-21-0

benzothiazole sulfenamide

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
Stage #1: morpholine; benzothiazole sulfenamide With potassium sulfate In tetrachloromethane at 37℃; for 2h;
Stage #2: With potassium hexacyanoferrate(III) In tetrachloromethane at 58℃; for 3.83333h; Temperature;
98.9%
at 50℃; for 0.416667h; Product distribution; other bases;
morpholine
110-91-8

morpholine

dibenzolthiazolyl disulphide

dibenzolthiazolyl disulphide

N-Cyclohexyl-2-benzothiazole sulphene amide

N-Cyclohexyl-2-benzothiazole sulphene amide

di(benzothiazol-2-yl)disulfide
120-78-5

di(benzothiazol-2-yl)disulfide

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
In ethanol96.5%
morpholine
110-91-8

morpholine

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With iodine In tetrahydrofuran; benzene for 0.166667h; Ambient temperature;93%
With N-chloro-succinimide In dichloromethane at 0℃; for 3h;90%
With tetrabutylammonium tetrafluoroborate In acetonitrile at 20℃; for 10h; Sealed tube; Electrochemical reaction;86%
morpholine
110-91-8

morpholine

2-thioxo-3H-1,3-benzothiazole
149-30-4

2-thioxo-3H-1,3-benzothiazole

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With chlorine; benzene
With sodium hydroxide; iodine; potassium iodide
With chlorine; toluene
4-chloromorpholine
23328-69-0

4-chloromorpholine

2-thioxo-3H-1,3-benzothiazole
149-30-4

2-thioxo-3H-1,3-benzothiazole

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With chlorobenzene weiteres Edukt: Morpholin;
4-chloromorpholine
23328-69-0

4-chloromorpholine

di(benzothiazol-2-yl)disulfide
120-78-5

di(benzothiazol-2-yl)disulfide

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With chlorobenzene weiteres Edukt: Morpholin;
morpholine
110-91-8

morpholine

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

sodium sulfite
7757-83-7

sodium sulfite

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

Conditions
ConditionsYield
With sodium hydroxide; sodium hypochlorite In water; isopropyl alcohol
diisopropyl phosphite
691-96-3

diisopropyl phosphite

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

B

diisopropyl morpholinophosphonate
74124-50-8

diisopropyl morpholinophosphonate

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

methyl phosphite

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

N,N-oxydiethylene-O,O-dimethylphosphoramidate
597-25-1

N,N-oxydiethylene-O,O-dimethylphosphoramidate

B

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 81%
B 98%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

Diethyl 4-morpholidophosphate
37097-43-1

Diethyl 4-morpholidophosphate

B

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 98%
B 96%
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-morpholinosulphinyl-benzothiazole
21588-51-2

2-morpholinosulphinyl-benzothiazole

Conditions
ConditionsYield
With sodium hypochlorite; NaClO; sodium carbonate In water93%
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

phosphorous acid trimethyl ester
121-45-9

phosphorous acid trimethyl ester

A

2-methylmercaptobenzothiazole
615-22-5

2-methylmercaptobenzothiazole

B

N,N-oxydiethylene-O,O-dimethylphosphoramidate
597-25-1

N,N-oxydiethylene-O,O-dimethylphosphoramidate

C

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 83%
B 91%
C 17%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

2-(but-1-ylthio)benzo[d]thiazole
2314-17-2

2-(but-1-ylthio)benzo[d]thiazole

B

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

C

di-n-butyl morpholinophosphonate
7264-96-2

di-n-butyl morpholinophosphonate

Conditions
ConditionsYield
A 76%
B 21%
C 85%
triisopropyl phosphite
116-17-6

triisopropyl phosphite

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

A

2-(isopropylthio)benzo[d]thiazole
27410-44-2

2-(isopropylthio)benzo[d]thiazole

B

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

C

diisopropyl morpholinophosphonate
74124-50-8

diisopropyl morpholinophosphonate

Conditions
ConditionsYield
A 72%
B 28%
C 84%
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

5,5-Dimethyl-2-oxo-1-cycloheptancarbonsaeure-ethylester
89330-16-5

5,5-Dimethyl-2-oxo-1-cycloheptancarbonsaeure-ethylester

2-(Benzothiazol-2-ylsulfanyl)-5,5-dimethyl-octanedioic acid 1-ethyl ester 8-methyl ester
89330-06-3

2-(Benzothiazol-2-ylsulfanyl)-5,5-dimethyl-octanedioic acid 1-ethyl ester 8-methyl ester

Conditions
ConditionsYield
In methanol 8h reflux, 14h at 60 degC;77%
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

triethyl phosphite
122-52-1

triethyl phosphite

A

2-(ethylthio)benzothiazole
2757-92-8

2-(ethylthio)benzothiazole

B

Diethyl 4-morpholidophosphate
37097-43-1

Diethyl 4-morpholidophosphate

C

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

Conditions
ConditionsYield
A 70%
B 74%
C 30%
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

phosphorous acid trimethyl ester
121-45-9

phosphorous acid trimethyl ester

A

2-methylmercaptobenzothiazole
615-22-5

2-methylmercaptobenzothiazole

B

N,N-oxydiethylene-O,O-dimethylphosphoramidate
597-25-1

N,N-oxydiethylene-O,O-dimethylphosphoramidate

Conditions
ConditionsYield
In toluene for 0.33h; Ambient temperature; Yields of byproduct given;A n/a
B 67%
2-acetyl-octanoic acid methyl ester
70203-04-2

2-acetyl-octanoic acid methyl ester

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-benzothiazol-2-ylsulfanyl-octanoic acid methyl ester
70203-06-4

2-benzothiazol-2-ylsulfanyl-octanoic acid methyl ester

Conditions
ConditionsYield
In methanol for 7h; Heating;
In methanol for 15h; Heating;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-acetyl-oct-5c-enoic acid methyl ester
70945-18-5

2-acetyl-oct-5c-enoic acid methyl ester

2-benzothiazol-2-ylsulfanyl-oct-5c-enoic acid methyl ester
70905-80-5

2-benzothiazol-2-ylsulfanyl-oct-5c-enoic acid methyl ester

Conditions
ConditionsYield
In methanol for 15h; Heating;
methanol
67-56-1

methanol

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

2-benzothiazol-2-ylsulfanyl-hexanedioic acid 1-ethyl ester 6-methyl ester
70203-10-0

2-benzothiazol-2-ylsulfanyl-hexanedioic acid 1-ethyl ester 6-methyl ester

Conditions
ConditionsYield
for 7h; Heating;
ethanol
64-17-5

ethanol

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

2-benzothiazol-2-ylsulfanyl-hexanedioic acid diethyl ester
70203-11-1

2-benzothiazol-2-ylsulfanyl-hexanedioic acid diethyl ester

Conditions
ConditionsYield
for 7h; Heating;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl (1,3-benzothiazol-2-ylsulfanyl)acetate
24044-87-9

methyl (1,3-benzothiazol-2-ylsulfanyl)acetate

Conditions
ConditionsYield
In methanol for 7h; Heating;
methanol
67-56-1

methanol

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

2-(methoxycarbonyl)cyclohexanone
41302-34-5

2-(methoxycarbonyl)cyclohexanone

2-benzothiazol-2-ylsulfanyl-heptanedioic acid dimethyl ester
70203-12-2

2-benzothiazol-2-ylsulfanyl-heptanedioic acid dimethyl ester

Conditions
ConditionsYield
for 7h; Heating;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

cyclopentanone
120-92-3

cyclopentanone

2-benzothiazol-2-ylsulfanyl-cyclopentanone
68898-25-9

2-benzothiazol-2-ylsulfanyl-cyclopentanone

Conditions
ConditionsYield
With acetic acid In benzene at 55 - 60℃; for 7h;
methanol
67-56-1

methanol

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

2-benzothiazol-2-ylsulfanyl-hexanedioic acid dimethyl ester
70203-07-5

2-benzothiazol-2-ylsulfanyl-hexanedioic acid dimethyl ester

Conditions
ConditionsYield
for 7h; Heating;
ethanol
64-17-5

ethanol

4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

2-benzothiazol-2-ylsulfanyl-hexanedioic acid 6-ethyl ester 1-methyl ester
70203-08-6

2-benzothiazol-2-ylsulfanyl-hexanedioic acid 6-ethyl ester 1-methyl ester

Conditions
ConditionsYield
for 7h; Heating;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

2-benzothiazol-2-ylsulfanyl-6-morpholin-4-yl-6-oxo-hexanoic acid methyl ester
70203-09-7

2-benzothiazol-2-ylsulfanyl-6-morpholin-4-yl-6-oxo-hexanoic acid methyl ester

Conditions
ConditionsYield
In benzene for 7h; Heating;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

trans-2-Methoxy-4-methyl-1,3,2-dioxaphosphorinan
103959-24-6

trans-2-Methoxy-4-methyl-1,3,2-dioxaphosphorinan

trans-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

trans-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

cis-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

cis-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

Conditions
ConditionsYield
In dichloromethane at 0℃; Yield given. Yields of byproduct given;
In benzene at 0℃; Yield given. Yields of byproduct given;
4-(benzothiazole-2-sulfenyl)-morpholine
102-77-2

4-(benzothiazole-2-sulfenyl)-morpholine

cis-2-methoxy-4-methyl-1,3,2-dioxaphosphorinane
103959-25-7

cis-2-methoxy-4-methyl-1,3,2-dioxaphosphorinane

trans-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

trans-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

cis-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

cis-2-(N,N-oxydiethyleneamino)-4-methyl-1,3,2-dioxaphosphorinan-2-oxide

Conditions
ConditionsYield
In dichloromethane at 0℃; Yield given. Yields of byproduct given;
In benzene at 0℃; Yield given. Yields of byproduct given;

2-Benzothiazolyl-N-morpholinosulfide Chemical Properties

Molecular Structure of 2-(4-Morpholino)thiobenzothiazole (CAS NO. 102-77-2):

IUPAC Name: 4-(1,3-Benzothiazol-2-ylsulfanyl)morpholine 
Molecular Formula: C11H12N2OS2
Molecular Weight: 252.355780 g/mol
Index of Refraction: 1.706
Molar Refractivity: 70.36 cm3
Molar Volume: 180.7 cm3
Surface Tension: 67.8 dyne/cm
Density: 1.39 g/cm3
Flash Point: 203.6 °C
Enthalpy of Vaporization: 66.58 kJ/mol
Boiling Point: 413.1 °C at 760 mmHg
Vapour Pressure: 4.94E-07 mmHg at 25 °C
Melting Point: 78-80 °C
EINECS: 203-052-4
Product Categories: Industrial/Fine Chemicals;Intermediates;Aromatic Morpholines

2-Benzothiazolyl-N-morpholinosulfide Toxicity Data With Reference

1.    

eye-rbt 100 mg/24H MOD

    85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky .Marhold, J.,Prague,Czechoslovakia, Avicenum.: 1986,1099.
2.    

dnr-esc 10 µg/tube

    ENMUDM    Environmental Mutagenesis. 5 (1983),193.
3.    

mma-mus:lym 15 mg/L

    ENMUDM    Environmental Mutagenesis. 5 (1983),193.
4.    

otr-mus:emb 200 µg/L

    ENMUDM    Environmental Mutagenesis. 5 (1983),193.
5.    

msc-mus:lym 10 mg/L

    ENMUDM    Environmental Mutagenesis. 5 (1983),193.
6.    

orl-rat LD50:1980 mg/kg

    IPSTB3    International Polymer Science and Technology. 3 (1976),93.
7.    

orl-mus LD50:1870 mg/kg

    20ZJAG    Toksikologiia Novykh Khimicheskikh Veshchesty, Vnedriaemykh V . Rezinovuiu I Shinnaiu Promyshlennost,1968,64. NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .

2-Benzothiazolyl-N-morpholinosulfide Consensus Reports

Reported in EPA TSCA Inventory.

2-Benzothiazolyl-N-morpholinosulfide Safety Profile

Safety Information of 2-(4-Morpholino)thiobenzothiazole (CAS NO. 102-77-2):
Hazard Codes: Xi Irritant,N Dangerous
Risk Statements: 22-51/53-43-36/38
R22:Harmful if swallowed
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R43:May cause sensitization by skin contact
R36/38:Irritating to eyes and skin
Safety Statements: 20/21-36-61-37-26-24
S20:When using, do not eat or drink
S21:When using do not smoke
S36:Wear suitable protective clothing
S61:Avoid release to the environment. Refer to special instructions / safety data sheets
S37:Wear suitable gloves
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S24:Avoid contact with skin
RIDADR: 3077
RTECS: DL5950000
Poison by intraperitoneal route. Moderately toxic by ingestion. Questionable carcinogen with experimental neoplastigenic data. Experimental teratogenic effects. An eye irritant. Mutation data reported. See also MERCAPTANS and SULFIDES. When heated to decomposition it emits very toxic fumes of NOx and SOx.

2-Benzothiazolyl-N-morpholinosulfide Specification

  2-(4-Morpholino)thiobenzothiazole with cas registry number of 102-77-2 is also called 2-(Morpholinothio)benzothiazole ; 4-(2-Benzothiazolylthio)-morpholine ; N-Oxydiethylene-benzothiazolesulfenamide ; N-Oxydiethylenebenzothiazole-2-sulfenamide ; Benzothiazole, 2-(morpholinothio)- .

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