TBBS (NS) CAS 95-31-8  N-tert-butylbenzothiazole-2-sulphenamide

Introduction

Chemical Name:N- tert- butyl- 2- benzothiazole sulfenamide

CAS NO.:95-31-8

Product Specification:

Appearance		White or light yellow powder/Pastille
Purity（GC）,%	≥	96.0
Melting Point(Initial),°C	≥	104.0
Heat Loss,%	≤	0.40
Ash,%	≤	0.30
Residue on sieve(150μm),%	≤	0.10
Insoluble in methanol,%	≤	1.0
Free amine,%	≤	0.50

◆Performance:Siceler TBBS is kind of accelerator with delayed action, excellent scorch resistance, safe processing and rapid curing speed.

◆Application:Siceler TBBS is used as delayed action accelerator for NR, BR, IR, SBR and reclaimed rubber of NR. It is mainly used in the production of rubber products such as tires, rubber shoes, rubber tubes, rubber belt, cables, 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.

95-31-8 –Physico-chemical Properties

Molecular Formula	C11H14N2S2
Molar Mass	238.37
Density	1,29 g/cm3
Melting Point	105°C
Boling Point	344.1±25.0 °C(Predicted)
Flash Point	165°C
Vapor Presure	6.72E-05mmHg at 25°C
BRN	158370
pKa	1.25±0.70(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.5500 (estimate)
Physical and Chemical Properties	Chemical properties light yellow brown powder. Soluble in benzene, dichloromethane, carbon tetrachloride, ethyl acetate, acetone, ethanol, soluble in gasoline, insoluble in water.
Use	Uses This product is a natural rubber, butadiene rubber, isoprene rubber, styrene butadiene rubber and reclaimed rubber aftereffect accelerator, especially suitable for carbon black rubber with strong alkaline content. It is safe at operating temperature, strong scorch resistance, fast vulcanization speed, high constant elongation strength, and can improve the use ratio of synthetic rubber. Low toxicity and high efficiency, it is an ideal substitute for NOBS, has excellent comprehensive performance, and is called a standard accelerator. Widely used in the production of radial tires. It can be used with aldehydes, guanidines, and thiuram accelerators, and when combined with anti-scorch agent PVI, it forms a good vulcanization system. Mainly used in the manufacture of tires, rubber shoes, rubber hoses, tapes, and cables.

95-31-8 –Risk and Safety

Risk Codes	R43 – May cause sensitization by skin contact R53 – May cause long-term adverse effects in the aquatic environment
Safety Description	S36 – Wear suitable protective clothing. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S37 – Wear suitable gloves. S24 – Avoid contact with skin.
UN IDs	3077
RTECS	DL6200000
TSCA	Yes
HS Code	29342000
Hazard Class	9
Packing Group	III

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