Dimethyl siloxane cyclics mixture IOTA DMC

Alias: DMC

Molecular formula: [(CH3)2SiO]n, n=3~7

CAS No.: 69430-24-6

Product standard: GB/T 20436-2006

Technical index:

1. Appearance:  colorless, odorless transparent oil liquid

2. Chroma / platinum cobalt scale /Hazen units  ≤10

3. Refractive index nd20: 1.3960~1.3970

4. Acidity (HCL) (%): ≤0.001

5. Hexamethyldisiloxane (%) : ≤0.005

6. Cyclics (%) : ≥99.80

7. Octamethylcyclotetrasiloxane (%): ≥80

Performance and application:

DMC is a colorless, flammable, insoluble in water, soluble in benzene and other organic solvents, viscosity is about 2.1~2.5mm ²/s, the freezing point is 0℃~5℃. Become organic silicon polymer under acid and alkali catalytic polymerization, which is used in the production of silicone oil, silicone rubber, and so on.

Packaging and storage:

Packed in plastic drum, net weight 190KGS / drum or ton drum packaging, net 950kg/ barrels or international standard container packaging; the product should be stored in a cool and dry place, waterproof, fireproof, shall not be mixed with oxidizing agents, acids and alkalis. Storage areas shall be provided with appropriate varieties and quantities of fire fighting equipment, leakage emergency handling equipment and suitable housing materials. Transport by dangerous goods. Light carrying light discharge, in order to prevent damage to packaging and containers.

Stability:

Stable in specified container and conditions (closed containers)

Prohibited content: 

Strong oxidizing agent, acid, alkali

To avoid contact with the conditions:

Non compatible material, all kinds of heat source and fire, moisture air and water

Decomposition products:

May burn in fire or thermal decomposition and generate carbon oxides, carbon hydride, silicon oxide, combustion smoke.

Polymerization hazard:

May occur.