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CAS RN: 556-67-2
Octamethylcyclotetrasiloxane
- Product code: ICTO0142
- Purity/Analytical Methods: >98.0%(GC)
Basic Information
| Appearance and Shape (20°C) | Liquid |
|---|---|
| CAS RN | 556-67-2 |
| MDL number | MFCD00003269 |
| Molecular weight | 296.62 |
| Molecular Formula | C8H24O4Si4 |
| Product code | ICTO0142 |
| PubChem Substance ID | 87574146 |
| Purity/Analytical Methods | >98.0%(GC) |
| Reaxys-RN | 1787074 |
| SDBS (AIST Spectral DB) | 10371 |
| Situations to avoid | Moisture Sensitive |
| Store under inert gas | Store under inert gas |
Technical Specifications
Technical Specifications
| Appearance | Colorless to Almost colorless clear liquid |
|---|---|
| Purity(GC) | min. 98.0 % |
Physical properties (reference value)
| Boiling point | 175 °C |
|---|---|
| Flash point | 54 °C |
| Poroportion | 0.96 |
| Refractive index | 1.40 |
Safety and Regulatory
GHS
| Pictograms |
|
|---|---|
| Hazard statement | H311 : Toxic in contact with skin H302 : Harmful if swallowed H361 : Suspected of damaging fertility or the unborn child H413 : May cause long lasting harmful effects to aquatic life H226 : Flammable liquid and vapor. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant P273 : Avoid release to the environment P270 : Do not eat, drink or smoke when using this product P202 : Do not handle until all safety precautions have been read and understood P240 : Ground/bond container and receiving equipment P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking P233 : Keep container tightly closed P201 : Obtain special instructions before use P243 : Take precautionary measures against static discharge P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment P242 : Use only non-sparking tools P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P308 + P313 : IF exposed or concerned: Get medical advice/ attention P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower P362 : Take off contaminated clothing and wash before reuse P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth P403 + P235 : Store in a well-ventilated place. Keep cool P405 : Store locked up. |
| Signal word | Danger |
Related legislation
| RTECS# | GZ4397000 |
|---|
Transport information
| Category | 3/6.1 |
|---|---|
| Packaging category | III |
| UN number | UN1992 |