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CAS NO.1873-88-7
1. High purity: 99.5%
2. Consistent quality
3. Fast delivery
4. Competitive price
CHEMICAL NAME
1,1,1,3,5,5,5-Heptamethyltrisiloxane
CHEMICAL STRUCTURE
CAS No. : 1873-88-7
PHYSICAL PROPERTIES
Colorless, transparent liquid
Density(25℃): 0.819g/cm3
Refractive index(25℃) : 1.382
Boiling point: 142℃
Flash point: 28℃
CHARACTERISTIC AND USAGE
1,1,1,3,5,5,5-Heptamethyltrisiloxane is a reactive siloxane with Si-H bond. It can occur addition reaction with unsaturated alkenes, so it’s utilized widely to synthesize variety functional reactive silicone fluids which is used to form silicone modified copolymer, typical is polyethertrisiloxane surfacant used in pesticides.
SPECIFICATION
|
Appearance(APHA) |
20 max. |
|
Purity(GC, %) |
98.0 min. |
|
Ionic chloride(ppm) |
10 max. |
PACKAGING AND STORAGE
1,1,1,3,5,5,5-Heptamethyltrisiloxane is a volatile, inflammable and explosive dangerous compound, so should be hermetically storaged, do not stored in direct sunlight, keep container closed and away from heat, sparks and open flames. Because of its reactivity, it will be hydrolyzed by moisture to form polymer and release hydrogen.
1,1,1,3,5,5,5-Heptamethyltrisiloxane can little stimulate skin and eyes, so it is necessary to dress appliances for labor protection when contacting it.