2,2'-Dithiobis(benzothiazole)

Modify Date: 2025-08-20 19:37:40

2,2'-Dithiobis(benzothiazole) Structure
2,2'-Dithiobis(benzothiazole) structure
 Common Name 2,2'-Dithiobis(benzothiazole)
CAS Number 120-78-5 Molecular Weight 332.487
Density 1.6±0.1 g/cm3 Boiling Point 532.5±33.0 °C at 760 mmHg
Molecular Formula C14H8N2S4 Melting Point 177-180 °C(lit.)
MSDS Chinese USA Flash Point 275.8±25.4 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Names

Name dibenzothiazol-2-yl disulfide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 532.5±33.0 °C at 760 mmHg
Melting Point 177-180 °C(lit.)
Molecular Formula C14H8N2S4
Molecular Weight 332.487
Flash Point 275.8±25.4 °C
Exact Mass 331.957031
PSA 132.86000
LogP 7.04
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.849
Water Solubility <0.01 g/100 mL at 21 ºC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DL4550000
CHEMICAL NAME :
Benzothiazole, 2,2'-dithiobis-
CAS REGISTRY NUMBER :
120-78-5
BEILSTEIN REFERENCE NO. :
0285796
LAST UPDATED :
199804
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C14-H8-N2-S4
MOLECULAR WEIGHT :
332.48
WISWESSER LINE NOTATION :
T56 BN DSJ CSS- CT56 BN DSJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>12 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
7 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>7940 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9100 mg/kg/13W-I
TOXIC EFFECTS :
Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
172 gm/kg/78W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Blood - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
400 mg/kg
SEX/DURATION :
female 4-11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
400 mg/kg
SEX/DURATION :
female 4-11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
800 mg/kg
SEX/DURATION :
male 2 day(s) pre-mating female 2 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
800 mg/kg
SEX/DURATION :
male 2 day(s) pre-mating female 2 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
15 mg/L
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 5,193,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84830 No. of Facilities: 897 (estimated) No. of Industries: 12 No. of Occupations: 28 No. of Employees: 11180 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84830 No. of Facilities: 1533 (estimated) No. of Industries: 19 No. of Occupations: 42 No. of Employees: 50590 (estimated) No. of Female Employees: 11091 (estimated)

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H317-H410
Supplemental HS Contact with acids liberates toxic gas.
Precautionary Statements P273-P280-P501
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R31;R43;R50/53
Safety Phrases S36/37-S60-S61
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS DL4550000
Hazard Class 9.0
HS Code 2934200090

 Synthetic Route

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles25

More Articles
Solid state differentiation of plasma thiols using a centrifugally activated mercaptobenzothiazole disulfide exchange indicator.

Chem. Commun. (Camb.) (6) , 592-4, (2007)

The solid state interaction of mono and macromolecular thiols at a disulfide heterocycle is shown to provide a versatile pathway for their speciation.

A wood preservative metabolite in river water.

Environ. Sci. Pollut. Res. Int. 12(1) , 8-9, (2005)

A previously unknown pollutant in river water was identified to be 2-mercaptobenzothiazole (2-MBT) by interpretation and simulation of its GC/LRMS spectrum. Further GC/HRMS measurement of the isotope ...

Allergic contact dermatitis from mercapto compounds.

Dermatitis 17(2) , 56-70, (2006)

Despite being well-known allergens, mercaptobenzothiazole and its derivatives continue to be widely used in natural and synthetic rubber, in the mining industry, and in a variety of nonrubber products...

 Synonyms

2,2'-Dithiobis(benzothiazole)
2,2'-Disulfanediylbis(1,3-benzothiazol)
Mercaptobenztiazyl Ether
Perkacit MBTS
2,2'-Disulfanediylbis(1,3-benzothiazole)
Benzothiazol-2-yl disulfide
2,2-Dithiobisbenzothiazole
EINECS 204-424-9
2,2'-Dibenzothiazyl disulfide
2,2'-Dithiobis[benzothiazole]
2-(1,3-benzothiazol-2-yldisulfanyl)-1,3-benzothiazole
2,2'-Dibenzothiazolyl Disulfide
1,2-Bis(benzo[d]thiazol-2-yl)disulfane
2,2'-Dithiobisbenzothiazole
Benzothiazole, 2,2'-dithiobis-
MFCD00022874
2,2′-Dithiobis(benzothiazole)
MBTS
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