dodecamethyl-pentasiloxan
Dodecamethylpentasiloxane
CAS: 141-63-9
Molecular Formula: C12H36O4Si5
dodecamethyl-pentasiloxan - Names and Identifiers
| Name | Dodecamethylpentasiloxane |
| Synonyms | BRN 1792965 Penta(dimethylsiloxane) DODECAMETHYLPENTASILOXANE dodecamethyl-pentasiloxan Dodecamethylpentasiloxane Pentasiloxane, dodecamethyl- Dodecamethylnonanepentasiloxane 4-04-00-04124 (Beilstein Handbook Reference) 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane Pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecamethyl- Dodecamethyl-2,4,6,8-tetraoxa-1,3,5,7,9-pentasilanonane |
| CAS | 141-63-9 |
| EINECS | 205-492-2 |
| InChI | InChI=1/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3 |
dodecamethyl-pentasiloxan - Physico-chemical Properties
| Molecular Formula | C12H36O4Si5 |
| Molar Mass | 384.84 |
| Density | 0.875 g/mL at 25 °C (lit.) |
| Melting Point | -81 °C (lit.) |
| Boling Point | 230 °C (lit.) |
| Flash Point | 187°F |
| Water Solubility | 70.41ng/L at 23℃ |
| Solubility | Benzene (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| Vapor Presure | <1 mm Hg ( 20 °C) |
| Appearance | liquid |
| Specific Gravity | 0.876 |
| Color | Colourless |
| Merck | 14,3404 |
| Storage Condition | Refrigerator |
| Sensitive | 1: no significant reaction with aqueous systems |
| Refractive Index | n20/D 1.392(lit.) |
dodecamethyl-pentasiloxan - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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 | NA 1993 / PGIII |
| WGK Germany | 3 |
| RTECS | SB0970000 |
| TSCA | Yes |
dodecamethyl-pentasiloxan - Reference Information
| LogP | 9.411 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Biological activity | Dodecamethylpentasiloxane is a component of siloxane, which can be used as silicone oil and has insecticidal activity against bed bugs. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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