Dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin,eicosahydro-

1.IDENTIFICATIONOFTHESUBSTANCE/MIXTUREANDOFTHECOMPANY/UNDERTAKING Product Name Dicyclohexano-18-crown-6 2.HAZARDS IDENTIFICATION Classification of the substance or mixture According to Regulation (EC) No1272/2008 Acute toxicity, Inhalation (Category 3) Acute toxicity, Dermal (Category 3) Acute toxicity, Oral (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. Toxic by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin. Label elements Pictogram Signal word Hazard statement(s) H301 H311 H315 H319 H331 H335 Precautionary statement(s) P261 P280 P301 + P310 P305 + P351 + P338 P311 Danger Toxic if swallowed. Toxic in contact with skin. Causes skin irritation. Causes serious eye irritation. Toxic if inhaled. May cause respiratory irritation. Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. Wear protective gloves/ protective clothing. IF SWALLOWED: Immediately call a POISON CENTER or doctor/ physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/ physician. Hazard symbol(s) T R-phrase(s) R23/24/25 R36/37/38 S-phrase(s) S26 S36/37/39 S45 Toxic Toxic by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Other hazards - none 3. COMPOSITION/INFORMATION ON INGREDIENTS Synonyms Formula Molecular Weight : : : Perhydro-dibenzo-18-crown-6 Dicyclohexyl-18-crown-6 2,5,8,15,18,21-Hexaoxatricyclo[20.4.0.09.14]hexacosane 2,3,11,12-Dicyclohexano-1,4,7,10,13,16-hexaoxacyclooctadecane C20H36O6 372,50 g/mol CAS-No. EC-No. Index-No. Classification Concentration Icosahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin 16069-36-6 240-216-4 - Acute Tox. 3; Skin Irrit. 2; Eye - Irrit. 2; STOT SE 3; H301, H311, H315, H319, H331, H335 T, R23/24/25 - 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. Take victim immediately to hospital. 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 Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. 5. FIRE-FIGHTING MEASURES Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Special protective equipment for fire-fighters Wear self contained breathing apparatus for fire fighting if necessary. 6. ACCIDENTAL RELEASE MEASURES Personal precautions Wear respiratory protection. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. 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 Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal. 7. HANDLING AND STORAGE Precautions for safe handling Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. Normal measures for preventive fire protection. Conditions for safe storage Keep container tightly closed in a dry and well-ventilated place. 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 particle respirator type N99 (US) or type P2 (EN 143) 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 Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Hygiene measures Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the product. 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance Form Colour Safety data pH Melting point Boiling point Flash point crystalline white no data available 47 °C no data available 113 °C - closed cup Ignition temperature Lower explosion limit Upper explosion limit Water solubility no data available no data available no data available no data available 10. STABILITY AND REACTIVITY Chemical stability Stable under recommended storage conditions. Conditions to avoid no data available Materials to avoid Strong oxidizing agents, Strong acids Hazardous decomposition products Hazardous decomposition products formed under fire conditions. - Carbon oxides 11. TOXICOLOGICAL INFORMATION Acute toxicity LD50 Oral - rat - 176 mg/kg Remarks: Behavioral:Tremor. Behavioral:Convulsions or effect on seizure threshold. Nutritional and Gross Metabolic:Weight loss or decreased weight gain. Skin corrosion/irritation Serious eye damage/eye irritation Eyes - rabbit - Moderate eye irritation 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 Developmental Toxicity - rat - Oral Effects on Embryo or Fetus: Other effects to embryo. 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 Toxic if inhaled. Causes respiratory tract irritation. Toxic if swallowed. Toxic 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: HP5385000 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 Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Contaminated packaging Dispose of as unused product. 14. TRANSPORT INFORMATION ADR/RID UN-Number: 2811 Class: 6.1 Packing group: III Proper shipping name: TOXIC SOLID, ORGANIC, N.O.S. (Icosahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin) IMDG UN-Number: 2811 Class: 6.1 Packing group: III EMS-No: F-A, S-A Proper shipping name: TOXIC SOLID, ORGANIC, N.O.S. (Icosahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin) Marine pollutant: No IATA UN-Number: 2811 Class: 6.1 Packing group: III Proper shipping name: Toxic solid, organic, n.o.s. (Icosahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin) 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 Acute Tox. Eye Irrit. H301 H311 H315 H319 H331 Acute toxicity Eye irritation Toxic if swallowed. Toxic in contact with skin. Causes skin irritation. Causes serious eye irritation. Toxic if inhaled. H335 Skin Irrit. T R23/24/25 R36/37/38 May cause respiratory irritation. Skin irritation Toxic Toxic by inhalation, in contact with skin and if swallowed. 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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