High Quality Si Lane Coupling Agent Si-69

• CAS No.: 40372-72-3
• Formula: C18h42o6s4si2
• Certification: REACH
• Environmental Protection: Yes
• Color: Light Yellow
• Kind: Rubber Coupling Agent
• Model NO.: Si-69
• Appearance: Liquid
• Type: Synthesis Material Intermediates
• Transport Package: in Plastic Drum
• Specification: 5kg or 200 kg or 1000kg in plastic drum
• Trademark: Kingway
• Origin: China
• HS Code: 2942000000
• Production Capacity: 20000mt/Year

Product Description

Sil ane Coupling Agent Si-69

Chemical Name

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

Structural Formula

(C₂H₅O)₃SiCH₂CH₂CH₂-S₄-CH₂CH₂CH₂Si(OC₂H₅)₃  

CAS No.: 40372-72-3

Equivalent Product Name

SI-69 (Degussa),Z-6940 (Dowcorning),A-1289 (Crompton)
 

Physical Properties

It's a pale yellow clear liquid with light odor of alcohol and soluble easily in alcohol, ace tone, benzene, to luene etc. It's insoluble in water. It can hydrolyze when contact with water or moisture. Its flash point is 102ºC, specific gravity is 1.08g/ml.

Specifications

Appearance	Light yellow clear liquid
Alcohol Content	0.5%max
Impurities Content	4.0%max
Viscosity 25ºC (cps)	19.0max
Sulfur Content	22 ± 1%

package:
in 180kg/barrel