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Cas Database |
| Name |
Dodecamethylpentasiloxane |
EINECS | 205-492-2 |
| CAS No. | 141-63-9 | Density | 0.893 g/cm3 |
| PSA | 36.92000 | LogP | 4.82800 |
| Solubility | 70.41ng/L at 23℃ | Melting Point |
-81 °C(lit.) |
| Formula | C12H36O4Si5 | Boiling Point | 284.387 °C at 760 mmHg |
| Molecular Weight | 384.843 | Flash Point | 117.419 °C |
| Transport Information | N/A | Appearance | clear colorless liquid |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
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Hazard Symbols |
 Xi
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| Synonyms |
Pentasiloxane,dodecamethyl- (6CI,7CI,8CI,9CI);DC 200 Fluid 2;KF96L2CS; |
Article Data | 30 |
Dodecamethylpentasiloxane Chemical Properties
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%
Dodecamethylpentasiloxane Toxicity Data With Reference
| 1. | orl-gpg LDLo:50 g/kg | JIDHAN Journal of Industrial Hygiene. 30 (1948),332. |
Dodecamethylpentasiloxane Consensus Reports
Reported in EPA TSCA Inventory.
Dodecamethylpentasiloxane 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.
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