DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT
Bis(trimethylsiloxy)methylsilane
CAS: 1873-88-7
Molecular Formula: C7H22O2Si3
DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT - Names and Identifiers
| Name | Bis(trimethylsiloxy)methylsilane |
| Synonyms | 40M25) heptamethyltrisiloxane Heptamethyltrisiloxane 3H-Heptamethyltrisiloxane BIS(TRIMETHYLSILOXY)METHYLSILANE Bis(trimethylsiloxy)methylsilane 1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE 1,1,1,3,5,5,5-heptamethyl-trisiloxan 1,1,1,3,5,5,5-Heptamethyltrisiloxane DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT 1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl |
| CAS | 1873-88-7 |
| EINECS | 217-496-1 |
| InChI | InChI=1/C7H21O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h1-7H3 |
| InChIKey | QNWOFLWXQGHSRH-UHFFFAOYSA-N |
DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT - Physico-chemical Properties
| Molecular Formula | C7H22O2Si3 |
| Molar Mass | 222.5 |
| Density | 0.819 g/mL at 25 °C (lit.) |
| Boling Point | 142 °C (lit.) |
| Flash Point | 82°F |
| Water Solubility | Miscible with acetone, ethanol, diethyl ether. Insoluble in water. |
| Vapor Presure | 8.5hPa at 25℃ |
| Appearance | clear liquid |
| Specific Gravity | 0.8136 |
| Color | Colorless to Almost colorless |
| BRN | 1748455 |
| Storage Condition | 15-25°C |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents. |
| Sensitive | 3: reacts with aqueous base |
| Refractive Index | n20/D 1.382(lit.) |
| Physical and Chemical Properties | Appearance colorless transparent liquid Molecular weight 222.5 purity (GC) 99% |
| Use | Heptamethyltrisiloxane contains high activity of silicon-hydrogen bonds, which is the basic raw material for the synthesis of Polyether modified trisiloxane, can be widely used in pesticide additives, coating additives, etc. |
DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 3 |
| Packing Group | II |
DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT - Reference Information
| LogP | 6.2 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | in organic synthesis, BIS-trimethylsiloxymethylsilane is used to catalyze the reduction reaction. heptamethyltrisiloxane is a basic raw material for the synthesis of polyether-modified trisiloxane, which contains highly active Silicon-hydrogen bonds, can be widely used in pesticide additives, coating additives, etc. |
Last Update：2024-04-10 22:29:15
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