Disiloxane,1,3-diethoxy-1,1,3,3-tetramethyl-

1.IDENTIFICATIONOFTHESUBSTANCE/MIXTUREANDOFTHECOMPANY/UNDERTAKING Product Name 1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane 2.HAZARDS IDENTIFICATION Classification of the substance or mixture According to Regulation (EC) No1272/2008 Flammable liquids (Category 3) Skin irritation (Category 2) Eye irritation (Category 2) Specific target organ toxicity - single exposure (Category 3) According to European Directive 67/548/EEC as amended. Flammable. Irritating to eyes, respiratory system and skin. Label elements Pictogram Signal word Hazard statement(s) H226 H315 H319 H335 Precautionary statement(s) P261 P305 + P351 + P338 Warning Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Hazard symbol(s) Xi R-phrase(s) R10 R36/37/38 S-phrase(s) S16 Irritant Flammable. Irritating to eyes, respiratory system and skin. Keep away from sources of ignition - No smoking. S26 S36 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing. Other hazards - none 3. COMPOSITION/INFORMATION ON INGREDIENTS Formula Molecular Weight : : C8H22O3Si2 222,43 g/mol CAS-No. EC-No. Index-No. Classification Concentration 1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane 18420-09-2 242-298-7 - Flam. Liq. 3; Skin Irrit. 2; Eye - Irrit. 2; STOT SE 3; H226, H315, H319, H335 Xi, R10 - R36/37/38 For the full text of the H-Statements mentioned in this Section, see Section 16. 4. FIRST AID MEASURES General advice Consult a physician. Show this safety data sheet to the doctor in attendance. If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. 5. FIRE-FIGHTING MEASURES Suitable extinguishing media For small (incipient) fires, use media such as "alcohol" foam, dry chemical, or carbon dioxide. For large fires, apply water from as far as possible. Use very large quantities (flooding) of water applied as a mist or spray; solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Special protective equipment for fire-fighters Wear self contained breathing apparatus for fire fighting if necessary. Further information Use water spray to cool unopened containers. 6. ACCIDENTAL RELEASE MEASURES Personal precautions Use personal protective equipment. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to form explosive concentrations. Vapours can accumulate in low areas. Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Methods and materials for containment and cleaning up Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations (see section 13). 7. HANDLING AND STORAGE Precautions for safe handling Avoid contact with skin and eyes. Avoid inhalation of vapour or mist. Keep away from sources of ignition - No smoking. Take measures to prevent the build up of electrostatic charge. Conditions for safe storage Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Store in cool place. 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Personal protective equipment Respiratory protection Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Hand protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Eye protection Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin and body protection impervious clothing, Flame retardant antistatic protective clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Hygiene measures Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance Form Colour Safety data pH Melting point Boiling point Flash point Ignition temperature Lower explosion limit Upper explosion limit Density liquid colourless no data available no data available 161 °C - lit. 43 °C - closed cup no data available no data available no data available 0,883 g/cm3 at 25 °C Water solubility no data available 10. STABILITY AND REACTIVITY Chemical stability Stable under recommended storage conditions. Conditions to avoid Heat, flames and sparks. Materials to avoid Strong oxidizing agents, acids, Bases Hazardous decomposition products Hazardous decomposition products formed under fire conditions. - Carbon oxides, silicon oxides 11. TOXICOLOGICAL INFORMATION Acute toxicity no data available Skin corrosion/irritation no data available Serious eye damage/eye irritation no data available Respiratory or skin sensitization no data available Germ cell mutagenicity no data available Carcinogenicity IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC. Reproductive toxicity no data available Specific target organ toxicity - single exposure Inhalation - May cause respiratory irritation. Specific target organ toxicity - repeated exposure no data available Aspiration hazard no data available Potential health effects Inhalation Ingestion Skin Eyes May be harmful if inhaled. Causes respiratory tract irritation. May be harmful if swallowed. May be harmful if absorbed through skin. Causes skin irritation. Causes serious eye irritation. Signs and Symptoms of Exposure To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated. Additional Information RTECS: Not available 12. ECOLOGICAL INFORMATION Toxicity no data available Persistence and degradability no data available Bioaccumulative potential no data available Mobility in soil no data available PBT and vPvB assessment no data available Other adverse effects no data available 13. DISPOSAL CONSIDERATIONS Product Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material. Contaminated packaging Dispose of as unused product. 14. TRANSPORT INFORMATION ADR/RID UN-Number: 1993 Class: 3 Packing group: III Proper shipping name: FLAMMABLE LIQUID, N.O.S. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane) IMDG UN-Number: 1993 Class: 3 Packing group: III EMS-No: F-E, S-E Proper shipping name: FLAMMABLE LIQUID, N.O.S. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane) Marine pollutant: No IATA UN-Number: 1993 Class: 3 Packing group: III Proper shipping name: Flammable liquid, n.o.s. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane) 15. REGULATORY INFORMATION This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006. 16. OTHER INFORMATION Text of H-code(s) and R-phrase(s) mentioned in Section 3 Eye Irrit. Flam. Liq. H226 H315 H319 H335 Skin Irrit. STOT SE Xi R10 R36/37/38 Eye irritation Flammable liquids Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Skin irritation Specific target organ toxicity - single exposure Irritant Flammable. Irritating to eyes, respiratory system and skin. Further information The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information this document is based on the resent state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. Lookchem shall not be held liable for any damage resulting from handling or from contact with the above product. See reverse side of invoice or packing slip for additional terms and conditions of sale.

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