Stir the mixture in a heated sand bath until most of the potassium. Argon msds material safety data sheet for argon ar reference. November 14, 2009 the dow chemical company page 3 of 10 germany, portugal, japan, and korea. First aid measures general advice consult a physician.
Ideally, you should have enough detail in your notebook to do the experiment without the experiment printout. Acetylene may decompose explosively at elevated temperatures and pressures. Molbases online trading system, data system and thermo fishers internal order system have been successfully connected. Acetylene is an asphyxiant and presents a significant health hazard by displacing the oxygen in the atmosphere. Double elimination reaction synthesis of diphenylacetylene. Potassium hydroxide ethylene glycol ethanol dichloromethane 1 m br 2 in dichloromethane solution 100 ml roundbottom flask cork ring 1 stirbar stirbar retriever reflux condenser small metal clamp. It is synthesized by a modification of the williamson ether synthesis, here the reaction of phenol. Safety data sheet acetylene dissolved date of first issue. The information provided in this safety data sheet is correct to the best of our knowledge, information and belief at the date of its publication. Diphenyl ether and many of its properties were first reported as early as 1901. Msds contains all of the information required by those regulations.
This action plan addresses the use of methylene diphenyl diisocyanate mdi and related compounds see appendix 1 in products that may result in consumer and general population exposures, particularly in or around buildings, including homes and schools. Skin contact wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes. Vapour of the solvent is carried away as impurity when the acetylene is extracted from the gas receptacle. Diphenylacetylene c14h10 cid 10390 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. There are no additional ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified as hazardous to health or the environment and hence require reporting in this section. Ac117170000, ac117170050, ac117170250, ac11717 synonyms.
Dow modified methylene diphenyl diisocyanate mdi products created. Provide adequate fire protection during emergency response situations. Acetylene cylinders are heavier than other cylinders because they are packed with a porous filler material and acetone. Methylene diphenyl diisocyanate diphenylmethane diisocyanate methylene bispphenyl isocyanate methylene bisphenyl isocyanate 1,1. Identification product name 1,2dibromo1,2diphenylethane cat no.
Airgas usa, llc and its affiliates 259 north radnorchester road suite 100 radnor, pa 190875283. Persistence and degradability diphenylamine 122 39 4 persistence and degradability not readily biodegradable in water. For safety reasons, the acetylene is dissolved in acetone flam. Firstaid measures eye contact rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. If vomiting occurs, lean patient forward or place on left side headdown position, if possible to maintain open airway and prevent aspiration. Product safety assessment mdibased isocyanate products. Diphenylacetylene revision date 23jan2018 benzene, 1,11,2ethynediylbis 501655 99 4. Procedure preparation of diphenylacetylene from stilbene dibromide place approximately 3 g of potassium hydroxide into a 100 ml roundbottom flask and add 30 ml of ethylene glycol and a magnetic stir bar.
Chemical product and company identification msds no. The information in cameo chemicals comes from a variety of data sources. Material safety data sheet complete welders supply. Acetylene is dissolved in the acetone solution and dispersed throughout the porous medium. Material safety data sheet section 1 diphenyl ether 1 chemical product and company identification msds name. As this product is a gas, refer to the inhalation section. Material safety data sheet diphenylmethanol sc239805 hazard alert code key. The chemical identifier fields include common identification numbers, the nfpa diamond u. Ac117300000, ac117300010, ac117300050, ac409360000, ac409360010, ac409360050 ac409360050 synonyms. The most significant route of overexposure for this product is by inhalation. November 14, 2009 the dow chemical company page 2 of 10 product overview this product assessment covers a group of products that share similar chemistry and properties. Department of transportation hazard labels, and a general description of the chemical.
Chemical product and company identification boc gases, division of the boc group, inc. Do not allow storage area temperature to exceed 50c. When the valve of a charged acetylene cylinder is opened, the acetylene comes out of solution and passes out in the gaseous form. Extreme high moderate low section 1 chemical product and company identification product name.
Msds document number ar000 revision dated 02 aug 96 in an emergency, call chemtrec at 8004249300 us toll free or 7035273887 contents. It is a colorless crystalline material that is widely used as a building block in organic synthesis and as a ligand in organometallic chemistry. Product safety assessment dow modified methyl diphenyl. The molecule consists of phenyl groups attached to both ends of an alkyne. Ac147950250 synonyms stilbene dibromide recommended use laboratory chemicals. Hazard identification continued symptoms of overexposure by route of exposure.
Chemicalbook provide chemical industry users with diphenylacetylene boiling point melting point,diphenylacetylene density msds formula use,if you also. Material safety data sheet product name airgas inc. For detailed information, refer to each products material safety data sheet. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. Dow modified mdi products are produced by dow polyurethane systems and dow hyperlast. Now the operation efficiency of orders has been significantly improved, inventory and price monitoring are more accurate, and the operation speed is increased to an order without limit to the number of products can be. Diphenyl oxide, phenyl ether company identification. Safety data sheet revision date 18jan2018 revision number 3 1. One reagent lane fair lawn, nj 07410 for information in north america, call. Safety data sheet according to 29cfr19101200 and ghs rev. For safety reasons, the acetylene is dissolved in acetone or dimethylformamide in the gas receptacle.
Acetylene, dissolved gas safety data sheet sds p4559 praxair. For the exact product composition, please refer to air products technical specifications. Narcylen material safety data sheet commercial names. Diphenylacetylene revision date 23jan2018 incompatible materials oxidizing agent hazardous decomposition productsthermal decomposition can lead to release of irritating gases and vapors, carbon monoxide co, carbon dioxide co2 hazardous polymerization no information available. Acros organics bvba janssen pharmaceuticalaan 3a 2440 geel, belgium company identification. If inhaled if breathed in, move person into fresh air. Acetylene is a highly flammable colourless gas of distinct odour. If swallowed, rinse mouth with water only if the person is conscious. Msds document number ar000 revision dated 02 aug 96 in an emergency, call. Polybrominated diphenyl ethers pbdes na zinc chloride zncl 2 210 wt% ammonium chloride nh 4cl 010 wt% manganese dioxide mno 2 2535 wt% zinc zn 1020 wt% acetylene black 515 wt% section iii physical chemical characteristics boiling point n. Diphenylacetylene is the chemical compound c 6 h 5 c. Canadian ingredient disclosure list section 16 additional information msds creation date.
This, the simplest diaryl ether, has a variety of niche applications. The 2016 emergency response guidebook, developed jointly by transport canada tc, the u. This action plan addresses the use of methylene diphenyl diisocyanate mdi and related compounds see appendix 1 in products that may result in consumer and general population. Methylene diphenyl diisocyanate mdi and related compounds. Al061 air liquide australia limited level 9 380 st. Check to be sure the lab jack holding your hot plate is raised a few inches. Although pyridinium hydrobromide perbromide is much easier to handle than liquid bromine, it is a caustic reagent which can cause burns and should be handled with care. Acetylene cylinders are filled with porous material that carries the acetone. Safety data sheet ghs product identifier other means of identification emergency telephone number with hours of operation section 1. Material safety data sheet university of louisville. Uses advised against food, drug, pesticide or biocidal product use. Double elimination reaction synthesis of diphenylacetylene materials from the chemicals hood.
Wash any contact areas with copious amounts of water. Show this safety data sheet to the doctor in attendance. Firstaid measures eyes immediately flush eyes with plenty of water for at least 15 minutes. Extreme high moderate low section 1 chemical product and company identification product name diphenylmethanol.