Description Catalogue Number 808157 Product Information CAS number 110-02-1 EC number 203-729-4 Hill Formula C₄H₄S Molar Mass 84.14 g/mol HS Code 2934 99 90 Structure formula Image Applications Application Thiophene for synthesis. CAS 110-02-1, molar mass 84.14 g/mol. Physicochemical Information Boiling point 83 - 84 °C (1013 mbar) Density 1.06 g/cm3 (20 °C) Explosion limit 1.5 - 12.5 %(V) Flash point -9 °C Ignition temperature 395 °C Melting Point -38 °C Vapor pressure 80 hPa (20 °C) Toxicological Information LD 50 oral LD50 Rat 1400 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H225: Highly flammable liquid and vapour. H302: Harmful if swallowed. H319: Causes serious eye irritation. H412: Harmful to aquatic life with long lasting effects. Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking. P260: Do not breathe vapour. P262: Do not get in eyes, on skin, or on clothing. P273: Avoid release to the environment. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P403 + P235: Store in a well-ventilated place. Keep cool. RTECS XM7350000 Storage class 3 Flammable liquids WGK WGK 3 highly water endangering Disposal 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Safety Information Hazard Symbols Harmful Flammable Categories of danger highly flammable, harmful, irritant, dangerous for the environment R Phrase R 11-22-36-52/53 Highly flammable.Harmful if swallowed.Irritating to eyes.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. S Phrase S 16-23-24-61 Keep away from sources of ignition - No smoking.Do not breathe vapour.Avoid contact with skin.Avoid release to the environment. Refer to special instructions/ Safety data sheets. Storage and Shipping Information Storage Store below +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 2414 , 3, II Declaration (transport by air) IATA-DGR UN 2414 , 3, II Declaration (transport by sea) IMDG-Code UN 2414 , 3, II Specifications Assay (GC, area%) ≥ 99.0 % (a/a) Density (d 20 °C/ 4 °C) 1.062 - 1.065 Identity (IR) passes test
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