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| CAS No.: | 141-63-9 |
|---|---|
| Name: | DODECAMETHYLPENTASILOXANE |
| Molecular Structure: | |
|
|
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| Formula: | C12H36O4Si5 |
| Molecular Weight: | 384.843 |
| Synonyms: | Pentasiloxane,dodecamethyl- (6CI,7CI,8CI,9CI);DC 200 Fluid 2;KF96L2CS; |
| EINECS: | 205-492-2 |
| Density: | 0.893 g/cm3 |
| Melting Point: | -81 °C(lit.) |
| Boiling Point: | 284.387 °C at 760 mmHg |
| Flash Point: | 117.419 °C |
| Solubility: | 70.41ng/L at 23℃ |
| Appearance: | clear colorless liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 36.92000 |
| LogP: | 4.82800 |
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Chemistry
Chemical Name: Dodecamethylpentasiloxane
IUPAC NAME: bis[[Dimethyl(trimethylsilyloxy)silyl]oxy]-dimethylsilane
CAS No.: 141-63-9
EINECS: 205-492-2
RTECS: SB0970000
Molecular Formula: C12H36O4Si5
Molecular Weight: 384.84 g/mol
Melting Point: -81 °C(lit.)
Density: 0.893 g/cm3
Flash Point: 117.4 °C
Boiling Point: 284.4 °C at 760 mmHg
Following is the structure of Dodecamethylpentasiloxane (141-63-9):
Product Categories about Dodecamethylpentasiloxane (141-63-9) are Organics ; Organometallic Reagents ; Organosilicon ; Siloxanes
The chemical synonymous of Dodecamethylpentasiloxane (141-63-9) are 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane ; Dodecamethyl-pentasiloxan ; Pentasiloxane, dodecamethyl- ; Dodecamethylpentasiloxane ; Dodecamethyl-2,4,6,8-tetraoxa-1,3,5,7,9-pentasilanonane ; Dodecamethylnonanepentasiloxane ; Penta(DImethylsiloxane) ; Dodecamethylpentasiloxane,97%
Toxicity Data With Reference
| 1. | orl-gpg LDLo:50 g/kg | JIDHAN Journal of Industrial Hygiene. 30 (1948),332. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Slightly toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes:
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Risk Statements about Dodecamethylpentasiloxane (141-63-9):
R36/37/38 Irritating to eyes, respiratory system and skin.
Safety Statements about Dodecamethylpentasiloxane (141-63-9):
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 Wear suitable gloves and eye/face protection.
Attention:
1. Storage: Store in a cool, dry place. Store in a tightly closed container. Store under nitrogen.
2. Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.