1. Appearance                    Colorless, odorless, transparent oily liquid
2. Chroma/Platinum-cobalt scale/ Hazen unit                               ≤ 10
3. Refractive index nD20                                                1.3960～1.3970
4. Acidity(According to HCl)                                                            ≤ 0.001
5. Content of Hexamethyldisiloxane(%)                                      ≤ 0.005
6. Content of Dimethylsiloxane cyclics mixture(%)                   ≥ 99.80
7. Content of Octamethyl cyclotetrasiloxane(%)                        ≥ 80

It is colorless, inflammable, and can not dissolve in water, but dissolve in
organic solvents such as benzene, etc. It can be used to synthesize organic
silicon polymer by acid or alkali catalysis to manufacture silicone oil, silicone
rubber, etc.