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N-Cyclohexyl-2-benzothiazolesulfenamide

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N-Cyclohexyl-2-benzothiazolesulfenamide Basic information

Product Name:
N-Cyclohexyl-2-benzothiazolesulfenamide
Synonyms:
  • N-Cyclohexyl-2-benzthiazolsulphenamide
  • CBS, N-Cyclohexyl-2-benzothiazolesulfenamide
  • CYCLOHEXYL-2-BENZOTHIAZOLESULPHENAMIDE
  • SULPHENAMIDETS
  • N-CYCLOHEXYLBENZOTHIAZOLESULFENAMIDE
  • N-CYCLOHEXYL-2-BENZOTHIAZYLSULPHENAMIDE
  • N-Cyclohexylbenzothiazol-2-sulfenamid
  • N-Cyclohexylbenzo[d]thiazole-2-sulfonaMide
CAS:
95-33-0
MF:
C13H16N2S2
MW:
264.41
EINECS:
202-411-2
Product Categories:
  • Rubber Chemicals
  • rubber vulcanizing accelerator
Mol File:
95-33-0.mol
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N-Cyclohexyl-2-benzothiazolesulfenamide Chemical Properties

Melting point:
93-100°C
Boiling point:
410.4±28.0 °C(Predicted)
Density 
1.31~1.34g/cm3
vapor pressure 
0Pa at 25℃
refractive index 
1.5700 (estimate)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), DMSO (Slightly), Ethyl Acetatae (Slightly)
form 
Solid
pka
0.59±0.10(Predicted)
color 
Pale Yellow to Light Beige
Water Solubility 
Insoluble
InChIKey
DEQZTKGFXNUBJL-UHFFFAOYSA-N
LogP
5 at 25℃
CAS DataBase Reference
95-33-0(CAS DataBase Reference)
EPA Substance Registry System
N-Cyclohexyl-2-benzothiazolesulfenamide (95-33-0)
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Safety Information

Hazard Codes 
Xi,N
Risk Statements 
36/37/38-50/53-43
Safety Statements 
26-36/37/39-61-60-37-24
RIDADR 
3077
RTECS 
DL6250000
HS Code 
2934.20.8000
HazardClass 
9
PackingGroup 
III
Hazardous Substances Data
95-33-0(Hazardous Substances Data)
Toxicity
LD50 oral in rat: 5300mg/kg
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N-Cyclohexyl-2-benzothiazolesulfenamide Usage And Synthesis

Description

N-Cyclohexyl-2-benzothiazolesulfenamide is a rubber accelerator chemical. The most frequent occupational categories are metal industry, homemakers, health services and laboratories, and building industries.

Uses

N-Cyclohexylbenzo[d]thiazole-2-sulfonamide is useful for the production of sulfur-modified chloroprene rubber.

Definition

N-Cyclohexyl-2-benzothiazolesulfenamide (CBS) is one of the important kinds of sulfenamide vulcanization accelerator, have an anti-incipient scorch and the big advantage of curingprocess rate fast two concurrently in natural rubber, butadiene-styrene rubber, butadiene rubber, isoprene rubber, it is particularly suited for the furnace black sizing material that alkalescence is higher, variable colour and pollution are slight, and volume of production and the consumption of the most external CBS account for the 50% of thiazoles sulfuration chemicals total amount. In recent years, along with China's radial development, the demand for accelerator CBS has also presented the longest trend.

Production Methods

The synthetic method of N-Cyclohexyl-2-benzothiazolesulfenamide (CBS) mainly has sodium hypochlorite oxidization, Oxygen Catalytic Oxidation method, electrolytic oxidation, chlorine oxidation process, hydrogen peroxide oxidation method etc. at present, oxidizing process has raw material and is easy to get, the advantages such as equipment requirements is the highest. Product yield is high, and technique is simple and widely used by institute both at home and abroad. This method is to carry out condensation with 2-benzothiazolyl mercaptan (hereinafter referred to as M) in the presence of an oxidizer with cyclohexylamine to generate CBS.

Synthesis Reference(s)

The Journal of Organic Chemistry, 43, p. 3223, 1978 DOI: 10.1021/jo00410a025

Flammability and Explosibility

Not classified

Contact allergens

A rubber accelerator chemical. The most frequent occupational categories are metal industry, homemakers health services and laboratories, and the building industry.

Safety Profile

A poison by intravenous route. Questionable carcinogen with experimental tumorigenic data. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and NOx.

N-Cyclohexyl-2-benzothiazolesulfenamide Preparation Products And Raw materials

Preparation Products

Raw materials

N-Cyclohexyl-2-benzothiazolesulfenamide Supplier

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