Chemical Additives

Chemical Name: N- cyclohexylbenzothiazole- 2- sulfenamide

CAS NO.: 95-33-0

Product Specification:

Appearance		Grayish white to yellowish powder or particle
Purity,%	≥	96.0
Melting Point(Initial),°C	≥	97.0
Heat Loss,%	≤	0.40
Ash,%	≤	0.30
Residue on sieve(150μm),%	≤	—
Insoluble in methanol,%	≤	0.50
Free amine,%	≤	0.50

◆  Performance: Siceler CBS is kind of rapid retard sulfonamides accelerator with excellent scorch resistance, safe processing and rapid curing speed. Alkaline accelerator such as thiuram and Sulphide carbamate could enhance its activities.

◆  Application: Siceler CBS is mainly used for manufacturing industrial rubber products such as tires, cables, rubber hoses, rubber shoes, etc.

◆  Packaging: Paper/plastic packages with a net weight of 25kg per package.Or FIBC with a net weight 500kg per package.

◆  Transportation Condition: Clear vehicle with ceiling, avoiding sunshine, rain and long-term extrusion,keeping away from hot source.

95-33-0 – Names and Identifiers

Name	N-cyclohexylbenzothiazole-2-sulphenamide
Synonyms	CZ CBS curax conaca delacs conach conacs pennaccbs royalcbts ekagomcbs noccelercz rhodifax16 accicurehbs sancelercm-po Acelerator CZ Accelerator CZ SULPHENAMIDETS Rubber Accelerator CZ Rubber Accelerator CBS N-CYCLOHEXYLBENZOTHIAZOLESULFENAMIDE benzothiazyl-2-cyclohexylsulfenamide 2-(cyclohexylaminothio)benzothiazole cyclohexyl-2-benzothiazolesulfenamide N-Cyclohexylbenzothiazol-2-sulfenamid n-cyclohexyl-2-benzothiazolesulfenamid n-cyclohexyl-2-benzothiazylsulfenamide N-Cyclohexyl-2-benzthiazolsulphenamide CYCLOHEXYL-2-BENZOTHIAZOLESULPHENAMIDE N-Cyclohexyl-2-benzothiazolesulfenamide N-CYCLOHEXYL-2-BENZOTHIAZYLSULPHENAMIDE n-cyclohexyl-2-benzenethiazolesulfenamid N-cyclohexyl-2-benzothiazole Sulfenamide N-Cyclohexyl-2-benzothiazolylsulfenamide N-cyclohexylbenzothiazole-2-sulphenamide N-Cyclohexylbenzo[d]thiazole-2-sulfonaMide CBS, N-Cyclohexyl-2-benzothiazolesulfenamide N-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine
CAS	95-33-0
EINECS	202-411-2
InChI	InChI=1/C13H16N2S2/c1-2-6-10(7-3-1)15-17-13-14-11-8-4-5-9-12(11)16-13/h4-5,8-10,15H,1-3,6-7H2
InChIKey	DEQZTKGFXNUBJL-UHFFFAOYSA-N

95-33-0 – Physico-chemical Properties

Molecular Formula	C13H16N2S2
Molar Mass	264.41
Density	1.31~1.34g/cm3
Melting Point	93-100°C
Boling Point	410.4±28.0 °C(Predicted)
Flash Point	202°C
Water Solubility	Insoluble
Solubility	Chloroform (Slightly), DMSO (Slightly), Ethyl Acetatae (Slightly)
Vapor Presure	6.04E-07mmHg at 25°C
Appearance	Form Solid, color Pale Yellow to Light Beige
Color	Pale Yellow to Light Beige
pKa	0.59±0.10(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.5700 (estimate)
Physical and Chemical Properties	Melting point 93-100°C water-soluble Insoluble
Use	Is an excellent after-effect accelerator, suitable for natural rubber and synthetic rubber and tire and other rubber products

95-33-0 – Risk and Safety

Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin. R50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 – May cause sensitization by skin contact
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S60 – This material and its container must be disposed of as hazardous waste. S37 – Wear suitable gloves. S24 – Avoid contact with skin.
UN IDs	3077
RTECS	DL6250000
Hazard Class	9
Packing Group	III
Toxicity	LD50 oral in rat: 5300mg/kg

95-33-0 – Upstream Downstream Industry

Raw Materials

Sodium hydroxide Chlorine Aniline Sodium hypochlorite 2-Mercaptobenzothiazole Cyclohexylamine N-chlorocyclohexylamine 2-Benzothiazolesulfenicacid,anhydridewithHSCN(6CI) Cyclohexanone, S-2-benzothiazolylthiooxime 2-Benzothiazolesulfenamide(6CI,7CI,8CI,9CI) Sodium mercaptobenzothiazole 2-Butoxyethanol 2,2′-Dithiobis(benzothiazole) Cyclohexanone

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