| Product Identification | Back to Contents | 【Product Name】
2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane | 【Synonyms】
Cyclic dimethylsiloxane pentamer
Dimethylsiloxane pentamer
Pentacyclomethicone | 【CAS】
541-02-6 | 【Formula】
C10H30O5Si5 | 【Molecular Weight】
370.77 | 【EINECS】
208-764-9 | 【RTECS】
GY5945200 | 【RTECS Class】
Primary Irritant | 【Merck】
12,2905 | 【Beilstein/Gmelin】
1800166 | 【Beilstein Reference】
4-04-00-04128 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless liquid. | 【Solubility in water】
(20 C) insoluble | 【Melting Point】
-44 | 【Boiling Point】
101 (20 torr) | 【Density】
0.958 g/cm3 (25 C) | 【Usage】
Intermediate for silicone fluids. | 【Refractive Index】
1.3980 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
If swallowed, wash out mouth with water provided person is conscious. Call a physician. | 【Inhalation】
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
In case of contact, immediately wash skin with soap and copious amounts of water. | 【Eyes】
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes. |
| Hazards Identification | Back to Contents | 【Inhalation】
Vapors may cause dizziness or suffocation. May cause irritation or burns. | 【Skin】
Causes skin irritation. Multiple Routes: May be harmful by inhalation, ingestion, or skin absorption. Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract. | 【Eyes】
See Skin. | 【Hazards】
Emits toxic fumes under fire conditions. Combustible liquid. | 【UN (DOT)】
1993 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Compatible chemical-resistant gloves. Chemical safety goggles. | 【Respirators】
Government approved respirator. | 【Exposure Effects】
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
55 | 【Fire Fighting】
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. | 【Fire Potential】
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable at normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, Carbon dioxide, Silicon oxide, Formaldehyde. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
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2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane(541-02-6) More Suppliers
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