2,2'-Dithiobis(benzothiazole)

CAS NO.：120-78-5
Empirical Formula: C14H8N2S4
Molecular Weight: 332.49
MDL number: MFCD00022874
EINECS: 204-424-9
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 14:08:57

What is 2,2'-Dithiobis(benzothiazole)?

Description

Dibenzothiazyl disulfide is a rubber chemical used as a vulcanization accelerant. The most frequent occupational categories are metal industry, homemakers, health services and laboratories, and building industries.

Chemical properties

yellow amorphous powder

The Uses of 2,2'-Dithiobis(benzothiazole)

2,2’Dibenzothiazoyl Disulfide has the potential to combat HPV, acting as a zinc-ejecting inhibitor. It also can act as radical polymerization photo-initiators or co-initiators.

The Uses of 2,2'-Dithiobis(benzothiazole)

Dibenzothiazyl disulfide is an accelerator for natural rubber, nitrile-butadiene, butyl and styrene-butadiene rubber; a retarder for chloroprene rubber.

Indications

2,2'-Dibenzothiazyl disulfide is approved for use within allergenic epicutaneous patch tests which are indicated for use as an aid in the diagnosis of allergic contact dermatitis (ACD) in persons 6 years of age and older.

Background

2,2'-Dibenzothiazyl disulfide is an accelerator used in the processing process for natural and synthetic rubber and plastic regeneration. It is also a known allergen and dermatological sensitizer.
Sensitivity to 2,2'-Dibenzothiazyl disulfide may be identified with a clinical patch test.

Definition

ChEBI: An organic disulfide resulting from the formal oxidative coupling of the thiol groups of two molecules of 1,3-benzothiazole-2-thiol. It is used as an accelerator in the rubber industry.

General Description

Cream to light yellow powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

2,2'-Dithiobis(benzothiazole) is incompatible with strong oxidizers. .

Fire Hazard

2,2'-Dithiobis(benzothiazole) is combustible.

Contact allergens

This rubber chemical of the mercaptobenzothiazole group is used as a vulcanization accelerant. The most frequent occupational categories are metal industry, homemakers, health services and laboratories, and the building industry.

Safety Profile

Poison by intravenous andintraperitoneal routes. Slightly toxic by ingestion.Experimental teratogenic and reproductive effects.Questionable carcinogen with experimental tumorigenicdata. Mutation data reported. When heated todecomposition it emits ver

Metabolism

Not Available

Properties of 2,2'-Dithiobis(benzothiazole)

Melting point:	177-180 °C (lit.)
Boiling point:	532.5±33.0 °C(Predicted)
Density	1.5
vapor pressure	0Pa at 25℃
refractive index	1.5700 (estimate)
Flash point:	271°C
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	0.01g/l
form	powder to crystal
pka	-0.58±0.10(Predicted)
color	Cream to pale-yellow powder
Odor	gray-wh. to cream powd. or pellets, sl. odor
Water Solubility	<0.01 g/100 mL at 21 ºC
Merck	14,3370
CAS DataBase Reference	120-78-5(CAS DataBase Reference)
NIST Chemistry Reference	Benzothiazyl disulfide(120-78-5)
EPA Substance Registry System	2,2'-Dithiobisbenzothiazole (120-78-5)

Safety information for 2,2'-Dithiobis(benzothiazole)

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H317:Sensitisation, Skin H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water.