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42410 Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)

CAS Number
40372-72-3
Synonyms

Stock No. Size Price ($) Quantity Availability
42410-06 5g 33.00
42410-14 25g 96.20
42410-22 100g 260.00
42410-36 500g 518.00
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Bis[3-(triethoxysilyl)propyl]tetrasulfide, S 22.3% (typical)

MDL
MFCD00053751
EINECS
254-896-5

Chemical Properties

Formula
((CH3CH2O)3SiCH2CH2CH2SS)2
Formula Weight
538.94
Form
Liquid
Boiling Point
250° dec.
Flash Point
91°(196°F)
Density
1.074
Storage & Sensitivity
Ambient temperatures.
Solubility
Miscible with toluene, primary alcohols, ketones, benzene, chlorinated hydrocarbons, acetonitrile, dimethylformaminde and dimethysulfoxide. Immiscible with water.

Applications

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.

Notes

Incompatible with strong oxidizing agents.

Literature References

Nakaramontri, Y.; Nakason, C.; Kummerlowe, C.; Vennemann, N. Effects of in-situ functionalization of carbon nanotubes with bis(triethoxysilylpropyl) tetrasulfide (TESPT) and 3-aminopropyltriethoxysilane (APTES) on properties of epoxidized natural rubber-carbon nanotube composites. Polym. Eng. Sci. 2015, 55 (11), 2500-2510.

Chen, S.; Cai, Y.; Zhuang, C.; Yu, M.; Song, X.; Zhang, Y. Electrochemical behavior and corrosion protection performance of bis-[triethoxysilylpropyl] tetrasulfide silane films modified with TiO2 sol on 304 stainless steel. Appl. Surf. Sci. 2015, 331, 315-326.

GHS Hazard and Precautionary Statements

Hazard Statements: H227-H315-H319-H335

Combustible liquid. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P210-P235-P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep cool. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code
2931.90
TSCA
Yes

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