A6955812
Pentamethyldisiloxane , 95% , 1438-82-0
CAS NO.：1438-82-0
Empirical Formula: C5H16OSi2
Molecular Weight: 148.35
MDL number: MFCD00053658
EINECS: 215-873-5
| Pack Size | Price | Stock | Quantity |
| 5ML | RMB251.20 | In Stock |
|
| 25ml | RMB728.00 | In Stock |
|
| 100ml | RMB2295.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Boiling point: | 86 °C (lit.) |
| Density | 0.760 g/mL at 20 °C (lit.) |
| refractive index | n |
| Flash point: | -9°C |
| storage temp. | 2-8°C, stored under nitrogen |
| form | clear liquid |
| Specific Gravity | 0.758 |
| color | Colorless to Almost colorless |
| Water Solubility | Not miscible or difficult to mix in water. |
| Hydrolytic Sensitivity | 3: reacts with aqueous base |
| Sensitive | Moisture Sensitive |
| BRN | 1734568 |
| InChI | InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3 |
| InChIKey | AOJHDNSYXUZCCE-UHFFFAOYSA-N |
| SMILES | [Si](C)(C)(C)O[SiH](C)C |
| EPA Substance Registry System | Disiloxane, pentamethyl- (1438-82-0) |
Description and Uses
Pentamethyldisiloxane, is an organosilicon compound used in synthesis of siloxane-polyether copolymer surfactants. Pentamethyldisiloxane can also be used as source of the trimethylsilyl functional group in organic synthesis.
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225 |
| Precautionary statements | P210 |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | F |
| Risk Statements | 11 |
| Safety Statements | 16-23-24/25 |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| F | 10-21 |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29319090 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Flam. Liq. 2 |
