Products Categories
CAS No.: | 120-78-5 |
---|---|
Name: | 2,2'-Dithiobis(benzothiazole) |
Article Data: | 95 |
Molecular Structure: | |
Formula: | C14H8N2S4 |
Molecular Weight: | 332.495 |
Synonyms: | Vulcanization accelerator DM (MBTS);2,2'-Benzothiazolyl disulfide;2-Benzothiazyldisulfide;2-Mercaptobenzothiazole disulfide;AcceleratorDM;Altax;Benzothiazolyl disulfide;Benzothiazyldisulfide;Bis(2-benzothiazolyl) disulfide;Bis(benzothiazol-2-yl)disulfide;2,2'-Dithiobis(benzothiazole);1,2-Bis(2-benzothiazolyl)disulfide; |
EINECS: | 204-424-9 |
Density: | 1.57 g/cm3 |
Melting Point: | 177-180 °C(lit.) |
Boiling Point: | 532.5 °C at 760 mmHg |
Flash Point: | 275.8 °C |
Solubility: | <0.01 g/100 mL at 21 °C in water |
Appearance: | yellow amorphous powder |
Hazard Symbols: | Xi,N |
Risk Codes: | 31-43-50/53 |
Safety: | 36/37-60-61 |
Transport Information: | UN 3077 9/PG 3 |
PSA: | 132.86000 |
LogP: | 5.70540 |
Conditions | Yield |
---|---|
With bis(2,2'-bipyridyl) copper(II) permanganate In dichloromethane for 0.166667h; | 100% |
With tris paraperiodate In benzene for 0.5h; Heating; | 100% |
With dihydrogen peroxide In water | 100% |
potassium thioacyanate
p-nitrobenzyl <(R)-4-(2-benzothiazol-2-yldithio)-2-oxo-1-azetidinyl>isopropenylacetate
A
di(benzothiazol-2-yl)disulfide
B
(2S,3R)-3-Methyl-7-oxo-3-thiocyanatomethyl-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester
Conditions | Yield |
---|---|
In dichloromethane; sulfuric acid; water for 12h; Ambient temperature; electrolysis procedure; | A 99% B 97% |
Conditions | Yield |
---|---|
With bromonitromethane In methanol | 98% |
With water; chlorine; ammonium chloride | |
With sulfuric acid; water; dihydrogen peroxide |
(Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate
di(benzothiazol-2-yl)disulfide
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; ozone In methanol at 44℃; for 1.5h; Concentration; Temperature; Large scale; | 97.5% |
S-(benzo[d]thiazol-2-yl) benzenesulfonothioate
2-[(2R,3R)-2-(Benzothiazol-2-yldisulfanyl)-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-3-methyl-but-3-enoic acid benzyl ester
A
di(benzothiazol-2-yl)disulfide
4-phenylsulfonylthio-3-phenoxyacetamido-1-(1-benzyloxycarbonyl-2-methyl-2-propenyl)-2-azetidinone
Conditions | Yield |
---|---|
sodium benzenesulfonate In water; acetone for 3.5h; Ambient temperature; | A 96% B 91% |
2-(Benzothiazol-2-ylsulfanyl)-2-(3-methyl-but-2-enyl)-hexanedioic acid dimethyl ester
A
di(benzothiazol-2-yl)disulfide
B
2-(3-Methyl-but-2-enyl)-hexanedioic acid dimethyl ester
Conditions | Yield |
---|---|
In methanol; sulfuric acid Ambient temperature; Electrochemical reduction; | A 96% B 74% |
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In dichloromethane; acetone at 25℃; | 95% |
With dilauryl peroxide In 1,2-dichloro-ethane for 1h; Reflux; | 90% |
With potassium dichromate; acetic acid |
A
di(benzothiazol-2-yl)disulfide
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In dichloromethane; water at 0℃; for 5h; | A n/a B 95% |
methanol
2-benzothiazol-2-ylsulfanyl-octanoic acid methyl ester
A
di(benzothiazol-2-yl)disulfide
B
2,2-Dimethoxy-octanoic acid methyl ester
Conditions | Yield |
---|---|
With sulfuric acid; copper dichloride Ambient temperature; electrosynthesis; | A 58% B 94% |
With tetraethylammonium perchlorate; copper dichloride for 2.4h; Product distribution; Ambient temperature; electrosynthesis; further electrolytes, further α-sulfenylalkanoates; also without CuCl2; | A 80% B 83% |
N,N'-bis(phenylsulfonyl)sulfur diimide
A
di(benzothiazol-2-yl)disulfide
B
N,N'-bis(phenylsulfonyl)sulfoxylic diamide
Conditions | Yield |
---|---|
With 2-Mercaptobenzothiazole In benzene for 8h; Heating; | A 94% B 90% |
What can I do for you?
Get Best Price
Molecular Structure of 2,2'-Dithiobis(benzothiazole) (CAS NO.120-78-5):
IUPAC Name: 2-(1,3-benzothiazol-2-yldisulfanyl)-1,3-benzothiazole
Empirical Formula: C14H8N2S4
Molecular Weight: 332.4867
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 3
Polar Surface Area: 132.86Å2
Index of Refraction: 1.848
Molar Refractivity: 94.48 cm3
Molar Volume: 211.7 cm3
Surface Tension: 90.3 dyne/cm
Density: 1.57 g/cm3
Flash Point: 275.8 °C
Enthalpy of Vaporization: 77.79 kJ/mol
Boiling Point: 532.5 °C at 760 mmHg
Vapour Pressure: 6.97E-11 mmHg at 25°C
Water Solubility: <0.01 g/100 mL at 21 ºC
Merck: 3370
Melting point: 177-180 °C(lit.)
EINECS: 204-424-9
Product Categories: Rubber Chemicals; Industrial/Fine Chemicals; Xanthones; Organics; Carumonam; Cefixime; Spirapril; Building Blocks; Heterocyclic Building Blocks; Thiazoles
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 100mg/kg (100mg/kg) | National Technical Information Service. Vol. AD277-689, | |
mouse | LD50 | intravenous | 180mg/kg (180mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02251, | |
mouse | LD50 | oral | 7gm/kg (7000mg/kg) | International Polymer Science and Technology. Vol. 3, Pg. 93, 1976. | |
rabbit | LD50 | skin | > 7940mg/kg (7940mg/kg) | United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-1190-0987S, | |
rat | LD50 | intraperitoneal | 2600mg/kg (2600mg/kg) | International Polymer Science and Technology. Vol. 3, Pg. 93, 1976. | |
rat | LD50 | oral | > 12gm/kg (12000mg/kg) | National Technical Information Service. Vol. AD755-358, |
Reported in EPA TSCA Inventory.
Poison by intravenous and intraperitoneal routes. Slightly toxic by ingestion. Experimental teratogenic and reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also SULFIDES.
Hazard Codes: Xi,N
Risk Statements: 31-43-50/53
R31 :Contact with acids liberates toxic gas.
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: 36/37-60-61
S36/37:Wear suitable protective clothing and 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
2,2'-Dithiobis(benzothiazole) , with CAS number of 120-78-5, can be called 1,2-Bis(2-benzothiazolyl)disulfide ; 2,2'-Benzothiazolyl disulfide ; 2,2'-Benzothiazyl disulfide ; 2,2'-Dibenzothiazole disulfide ; 2,2'-Dibenzothiazolyl disulfide ; 2,2'-Dithiobis ; 2-Benzothiazolyl disulfide ; 2-Mercaptobenzothiazole disulfide ; Bis(2-benzothiazolyl) disulfide ; Bis(benzothiazol-2-yl)disulfide ; Dibenzothiophene disulfide . It is a yellow amorphous powder. 2,2'-Dithiobis(benzothiazole) (CAS NO.120-78-5) is used as universal promoting agents like the natural rubber, synthetic rubber, reclaimed rubber. 2,2'-Dithiobis(benzothiazole) (CAS NO.120-78-5) is mainly used in the manufacture of tires, tire tube, rubber belt, rubber overshoes and general industrial products. High purity Benzothiazole disulfide (pharmaceutical grade) is the important manufacturing cephalosporin antiphlogistics pharmaceutical intermediates.