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Poly(methylhydrosiloxane) CAS#63148-57-2

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Chemical Name：Poly(methylhydrosiloxane)

CAS No.:63148-57-2

Molecular Formula：C7H22O2Si3

Molecular weight:222.5

Sample: Available

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Product Details

Products Description of Poly(methylhydrosiloxane) CAS#63148-57-2

Polymethylhydrogensiloxane is a silicone oil used in biology and chemistry. Under the action of metal salt catalysts, it can cross-link into a film at low temperature, forming a waterproof film on the surface of various materials. It can be used as a waterproofing agent for various materials such as fabrics, glass, ceramics, paper, leather, metal, cement, marble, etc., especially for fabrics.

Poly(methylhydrosiloxane) Chemical Properties

Melting point	<-60°C
Boiling point	142 °C(lit.)
density	1.006 g/mL at 25 °C (lit.)
vapor pressure	38 hPa (20 °C)
refractive index	n20/D 1.382(lit.)
Fp	204 °C
storage temp.	Store below +30°C.
solubility	Soluble in most ethereal, chlorinated, or hydrocarbon solvents as well as EtOH, i-PrOH, warm DMF, and warm NMP; insoluble in MeOH, DMSO, acetonitrile, and water
Specific Gravity	0.98
PH	7 (H2O)
Water Solubility	Not miscible or difficult to mix in water.
CAS DataBase Reference	63148-57-2
EPA Substance Registry System	Siloxanes and Silicones, Me hydrogen (63148-57-2)

Safety Information

Hazard Codes	Xi
Risk Statements	10-36/37/38
Safety Statements	26-36-24/25-23-16
WGK Germany	3
F	10-21
TSCA	Yes
HS Code	39100000

Product Application of Poly(methylhydrosiloxane) CAS#63148-57-2

1. Used as waterproof, anti-foaming agent, and cross-linking agent for chain cross-linked products in textiles, rubber, leather, paper, and building materials

2. It is a raw material for preparing block copolymers

3. Under the action of metal salt catalysts, it can cross-link to form a film at low temperature, forming a waterproof film on the surface of various materials. It can be used as a waterproof agent for various materials such as fabrics, glass, ceramics, paper, leather, metal, cement, marble, etc.; especially fabric waterproofing.

4. Methyl hydrogen silicone oil emulsion and methyl hydroxy silicone oil emulsion are used together to waterproof and maintain the breathability of fabrics, and can improve the tear strength, friction strength and anti-fouling properties of fabrics, and improve the feel and sewing properties of fabrics. In addition, it is used as an anti-adhesion release agent and cross-linking agent for paper.

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