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1,3-diethynylbenzene
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Material Safety Data Sheet 1,3-diethynylbenzene      Section 1 - Chemical Product and Company Identification MSDS Name:1,3-diethynylbenzene  Catalog Numbers:SC-66235   Section 2 - Composition, Information on Ingredients  CAS#1785-61-1 Chemical Name:1,3-diethynylbenzene Percent  95%min EINECS/ELINCS: Not available Hazard Codes: F Risk Phrases: 36/37/38-11   Section 3 - Hazards Identification  EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin.   Potential Health Effects Eye: Causes eye irritation. Skin: Cause skin irritation. May be harmful if absorbed through the skin. Ingestion: May be harmful if swallowed. Inhalation: May cause respiratory tract irritation. May be harmful if inhaled. Chronic: Limited evidence of a carcinogenic effect.     Section 4 - First Aid Measures  Eyes: In case of eye contact,Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. Skin: In case of skin contact,Wash off with soap and plenty of water. Consult a physician. Ingestion: If swallowed,Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. Inhalation: If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. Notes to Physician: Treat symptomatically and supportively   Section 5 - Fire Fighting Measures  General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.   Section 6 - Accidental Release Measures  General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Do not let this chemical enter the environment.   Section 7 - Handling and Storage  Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Storage: Store in original container in a cool place. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which areopened must be carefully resealed and kept upright to prevent leakage.   Section 8 - Exposure Controls, Personal Protection  Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.   Personal Protective Equipment Eyes: Safety glasses with side-shields conforming to EN166 Use equipment for eye protection testedand approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin: 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 ofcontaminated 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 andthe standard EN 374 derived from it. Clothing: Complete suit protecting against chemicals, The type of protective equipment must be selectedaccording to the concentration and amount of the dangerous substance at the specific workplace. Body Protection:impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respirators:Where risk assessment shows air-purifying respirators are appropriate use a full-face respiratorwith multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backupto engineering controls. If the respirator is the sole means of protection, use a full-face supplied airrespirator. Use respirators and components tested and approved under appropriate governmentstandards such as NIOSH (US) or CEN (EU).   Section 9 - Physical and Chemical Properties  Physical State: Liquid Color: Colorless Odor: Not available. pH: Not available. Vapor Pressure:Not available.   
Viscosity: Not available. Boiling Point: 188 - 189 °C - lit.   Freezing/Melting Point: Not available. Autoignition Temperature: Not available Flash Point:73 °C - closed cup. Decomposition Temperature:Not available Water Solubility: Not available Specific Gravity/Density: 0,949 g/mL at 25 °C. Molecular Formula:C10H6. Molecular Weight:126.15.   Section 10 - Stability and Reactivity  Chemical Stability: no data available. Conditions to Avoid: Heat, flames and sparks. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Other decomposition products - no data available Hazardous Polymerization: Has not been reported.   Section 11 - Toxicological Information  RTECS#:Not available. CAS# 1785-61-1. LD50/LC50: RTECS:Not available. CAS#Not available. Carcinogenicity: 1,3-diethynylbenzene E,95%min- Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology: No information found Other Studies: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information.   Section 12 - Ecological Information  12.1 Toxicity no data available 12.2 Persistence and degradability no data available 12.3 Bioaccumulative potential no data available 12.4 Mobility in soil no data available 12.5 Results of PBT and vPvB assessment no data available 12.6 Other adverse effects no data available   Section 13 - Disposal Considerations  Product:This combustible material may be burned in a chemical incinerator equipped with an afterburner andscrubber. Offer surplus and non-recyclable solutions to a licensed disposal company. Contaminated packaging:Dispose of as unused product.   Section 14 - Transport Information  14.1 UN number ADR/RID: -                                        IMDG: -                               IATA: - 14.2 UN proper shipping name ADR/RID: Not dangerous goods IMDG: Not dangerous goods IATA: Not dangerous goods 14.3 Transport hazard class(es) ADR/RID: -                                         IMDG: -                                IATA: - 14.4 Packaging group ADR/RID: -                                          IMDG: -                                 IATA: - 14.5 Environmental hazards ADR/RID: no                                        IMDG Marine pollutant: no                  IATA: no 14.6 Special precautions for user no data available   Section 15 - Regulatory Information  European Labeling in Accordance with EC Directives       Hazard Class:F        Risk Phrases:             R36/37/38: Irritating to eyes, respiratory system and skin             R11: Highly Flammable        Safety Phrases:             S22: Do not breathe dust             S24/25: Avoid contact with skin and eyes             S36/37/39: Wear suitable protective clothing, gloves and eye/face protection                            
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           S15: Keep away from heat            S3/7/9:Keep container tightly closed in a cool place and Keep container in a well-ventilated place   Section 16 - Additional Information While the information herein is believed to be reliable, it is furnished without warranty of any kind. It shall be used only as a guide. We assume no liabilities from the use of this product or information contained herein.
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