Bis[3-(triethoxysilyl)propyl]tetrasulfide NEW

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Min. Order1KG
Purity99%
Cas No40372-72-3
Supply Ability50000KG/month
Update time2023-09-07

Hebei Mojin Biotechnology Co., Ltd

4YR

China

Chemical Properties

Product Name	Bis[3-(triethoxysilyl)propyl]tetrasulfide
CAS No	40372-72-3
EC-No	254-896-5
Min. Order	1KG
Purity	99%
Supply Ability	50000KG/month
Release date	2023/09/07

CAS:	40372-72-3
MF:	C18H42O6S4Si2
MW:	538.95
EINECS:	254-896-5
Product Categories:	silane;Adhesion Promoters;Coupling Agents;Dispersing Agents;Sulfur Silanes;Surface Modifiers;Industrial/Fine Chemicals;Sulfur;40372-72-3
Mol File:	40372-72-3.mol

Bis[3-(triethoxysilyl)propyl]tetrasulfide Chemical Properties

Boiling point	250 °C
density	1.08 g/mL at 20 °C(lit.)
refractive index	n20/D 1.49
Fp	91°C
form	Liquid
Specific Gravity	1.095
Water Solubility	Miscible with toluene, primary alcohols, ketones, benzene, chlorinated hydrocarbons, acetonitrile, dimethylformaminde and dimethysulfoxide. Immiscible with water.
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
BRN	2062235
InChIKey	VTHOKNTVYKTUPI-UHFFFAOYSA-N
CAS DataBase Reference	40372-72-3(CAS DataBase Reference)
EPA Substance Registry System	3,16-Dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane, 4,4,15,15-tetraethoxy- (40372-72-3)

Bis[3-(triethoxysilyl)propyl]tetrasulfide Usage And Synthesis

Uses	Bis[3-(triethoxysilyl)propyl]tetrasulfide is a silylating coupling agent and modifier, and has been used in the design of a new generation of sustainable self-healing styrene-butadiene compounds.
Application	When used in rubber compounds, it produces these effects: Coupling agent for non-black pigments; Cure equilibrium for reversion resistance; Curing agent for good heat aging. Coupling Agent - With as little as 0.5 to 1.0 phr with clay fillers and 1.0 to 4.0 phr for silica pigments, BIS[3-(TRIETHOXYSILYL)PROPYL]TETRASULFIDE couples the non-black pigment and elastomers resulting in increases in modulus and increase in abrasion resistance. Cure Equilibrium - BIS[3-(TRIETHOXYSILYL)PROPYL]TETRASULFIDE has four sulfur atoms positioned in the center. At cure temperatures, these participate with sulfur in producing polysulfidic crosslinks. The BIS[3-(TRIETHOXYSILYL)PROPYL]TETRASULFIDE replaces crosslinks broken during cure, resulting in reversion resistant, and with proper compounding, reversion free compounds. This is known as equilibrium cure. The dynamic flex characteristics, E.G., heat generation and crack growth, are dramatically improved. Curing Agent - Removing all sulfur from the compound for NR, SBR, NBR and replacing it with BIS[3-(TRIETHOXYSILYL)PROPYL]TETRASULFIDE and certain thiuram accelerators, produces compounds with excellent heat aging characteristics in addition to the coupling effects. BIS[3-(TRIETHOXYSILYL)PROPYL]TETRASULFIDE is a silane coupling agent that has crosslinking and accelerator activity in rubber compounds. Area of rubber industry where they would be beneficial Footwear - Abrasion resistance \| Cutting and chunking resistance \| Flex life improvement Rolls - Abrasion resistance \| Aging resistance \| Processing \| Set reduction (better load bearing) \| Reduced water swell \| Lower hysteresis Mechanical Molded Goods - Increased modulus \| Better heat aging \| Compression set reduction \| Dynamic property improvement \| Reduced swell to polar liquids \| Filler substitution (non-black for black) Hose - Improved abrasion on cover \| Better heat aging \| Increased modulus \| Lower compression set \| Improved adhesion to reinforcing elements Solid Tires - Improved abrasion \| Lower hysteresis \| Higher modulus \| Improved processing \| Possibly better adhesion Tires - Treads for abrasion, hot tear \| Carcass for adhesion and/or filler substitution \| Breaker (belt) stocks for adhesion Belts Flat Belts - Increased abrasion \| Improved reversion resistance \| Reduced cost with clay substitution for black \| Improved cord adhesion \| Increased flex life and modulus V Belts - Increased modulus \| Improved abrasion \| Longer flex life \| Improved adhesion to reinforcing elements
Chemical Properties	Yellowish clear liquid
Uses	Bis[3-(triethoxysilyl)propyl]tetrasulfide is used in radial tires, rubber tire treads, carcass, tire walls, solid rubber tires and other rubber products. It acts as a chemical intermediate and as a cross linking agent. Furthermore, it acts as a coupling agent used to chemically modify silica surface. In addition, it serves as a curing agent for good heat aging.
Uses	Bis[3-(triethoxysilyl)propyl] tetrasulfide (TESPTS) is generally used as a crosslinking agent and reinforcing filler in the manufacturing of rubber. TESPT film provides corrosion protection to the metallic substrates. It is also used as a precursor in the synthesis of mesoporous organosilicas.

Packing &shipping&Payment

Packing:25kg/drum
Shipping:by sea or by air
Payment:T/T,western union,moneygram
Packaging Details drum
Port:Tianjin
Lead Time :

Quantity(Kilograms)	1 - 10000	>10000
Est. Time(days)	5	To be negotiated

Company information
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.

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