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802971 3,4-Dihydro-2H-pyran

3,4-Dihydro-2H-pyran for synthesis. CAS 110-87-2, pH 7 (5 g/l, H₂O, 20 °C).

3,4-Dihydro-2H-pyran MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
CAS #: 110-87-2 EC Number: 203-810-4 Molar Mass: 84.12 g/mol Hill Formula: C₅H₈O
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
110-87-2203-810-4C₅H₈O84.12 g/mol

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          Description
          Catalogue Number802971
          Product Information
          CAS number110-87-2
          EC number203-810-4
          Hill FormulaC₅H₈O
          Molar Mass84.12 g/mol
          HS Code2932 99 00
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          Application3,4-Dihydro-2H-pyran for synthesis. CAS 110-87-2, pH 7 (5 g/l, H₂O, 20 °C).
          Physicochemical Information
          Boiling point85.5 °C (1013 hPa)
          Density0.929 g/cm3 (20 °C)
          Explosion limit1.1 - 13.8 %(V)
          Flash point-15 °C
          Ignition temperature240 °C
          Melting Point-70 °C
          pH value7 (5 g/l, H₂O, 20 °C)
          Vapor pressure100.4 hPa (25 °C)
          Solubility7.7 g/l
          Toxicological Information
          LD 50 oralLD50 Rat > 4000 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Statement(s)H225: Highly flammable liquid and vapour.
          H315: Causes skin irritation.
          H317: May cause an allergic skin reaction.
          H319: Causes serious eye irritation.
          H412: Harmful to aquatic life with long lasting effects.
          EUH019: May form explosive peroxides.
          Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
          P233: Keep container tightly closed.
          P273: Avoid release to the environment.
          P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
          P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
          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 + P233: Store in a well-ventilated place. Keep container tightly closed.
          Signal WordDanger
          RTECSUP7700000
          Storage class3 Flammable liquids
          WGKWGK 3 highly hazardous to water
          Disposal1
          Strongly contaminated halogen-free organic solvents: container A.
          Safety Information
          Categories of dangerhighly flammable, irritant, harmful
          Storage and Shipping Information
          StorageStore below +30°C.
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 2376 , 3, II
          Declaration (transport by air) IATA-DGRUN 2376 , 3, II
          Declaration (transport by sea) IMDG-CodeUN 2376 , 3, II
          Specifications
          Assay (GC, area%)≥ 98.0 % (a/a)
          Density (d 20 °C/ 4 °C)0.926 - 0.929
          Water (GC)≤ 0.50 % (a/a)
          Identity (IR)passes test
          Global Trade Item Number
          Catalogue Number GTIN
          8029710100 04022536377537
          8029710250 04022536377544