1,1,3,3-Tetramethyldisiloxane , 98% , 3277-26-7
Synonym(s):
1,1,3,3-Tetramethyldisiloxane
CAS NO.：3277-26-7
Empirical Formula: C4H14OSi2
Molecular Weight: 134.32
MDL number: MFCD00008256
EINECS: 221-906-4
| Pack Size | Price | Stock | Quantity |
| 5ML | RMB41.60 | In Stock |
|
| 25ML | RMB44.80 | In Stock |
|
| 100ML | RMB104.80 | In Stock |
|
| 250ml | RMB231.20 | In Stock |
|
| 500ML | RMB372.80 | In Stock |
|
| 2.5L | RMB1307.20 | In Stock |
|
| others | Enquire |
PRODUCT Properties
| Melting point: | <-78°C |
| Boiling point: | 70-71 °C (lit.) |
| Density | 0.76 g/mL at 25 °C (lit.) |
| vapor pressure | 250 hPa (20 °C) |
| refractive index | n |
| Flash point: | 14 °F |
| storage temp. | Store at <= 20°C. |
| solubility | soluble in Chloroform |
| pka | 11.9[at 20 ℃] |
| form | liquid |
| color | colorless |
| Specific Gravity | 0.757 |
| explosive limit | 0.8-62.9%(V) |
| Water Solubility | DECOMPOSES |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 3: reacts with aqueous base |
| BRN | 1733364 |
| InChIKey | NVYQDQZEMGUESH-UHFFFAOYSA-N |
| LogP | -0.38-4.5 at 20-25℃ |
| CAS DataBase Reference | 3277-26-7(CAS DataBase Reference) |
| NIST Chemistry Reference | ((CH3)2SiH)2O(3277-26-7) |
| EPA Substance Registry System | Disiloxane, 1,1,3,3-tetramethyl- (3277-26-7) |
Description and Uses
1,1,3,3-Tetramethyldisiloxane is soluble in many organic solvents, such as aromatic hydrocarbon and petroleum hydrocarbons, and so on. This product is a kind of widely used organic silicon intermediates, and usually be used as organic silicon blocking agent. Due to containing reactive Si-H groups in the molecular structure, it can be used in the synthesis of copolymer macromolecule by hydrosilylation. The synthesis of copolymer macromolecule can be made into a series of reactive silicone oil.
1. Synthesis of polysiloxane containing faculties end groups.
2. Can be used for the preparation of high performance organic silicone surfactants.
3. Applicable to the production of many products, such as addition silicon rubber, silica gel, Hydrogenpolysiloxane and plastic, resin modifier, dendrite polymer special additives, etc.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225 |
| Precautionary statements | P210-P233-P240-P241-P242-P243 |
| Hazard Codes | F |
| Risk Statements | 11-36/37/38-16 |
| Safety Statements | 16-26-36-9-33-29 |
| RIDADR | UN 2924 3/PG 2 |
| WGK Germany | 3 |
| RTECS | JN1000000 |
| F | 10-21 |
| Autoignition Temperature | 240 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29310095 |
