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821233 4-Methoxyphenol

821233
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
150-76-5205-769-8C₇H₈O₂124.14 g/mol

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                  Description
                  Catalogue Number821233
                  Synonyms1-Hyroxy-4-methoxybenzene, Hydroquinone monomethyl ether, MEHQ
                  References
                  Product Information
                  CAS number150-76-5
                  EC index number604-044-00-7
                  EC number205-769-8
                  Hill FormulaC₇H₈O₂
                  Molar Mass124.14 g/mol
                  HS Code2909 50 00
                  Structure formula ImageStructure formula Image
                  Quality LevelMQ200
                  Applications
                  Application4-Methoxyphenol for synthesis. CAS 150-76-5, pH 5.1 (30 g/l, H₂O, 20 °C).
                  Biological Information
                  Physicochemical Information
                  Boiling point234 - 246 °C (1013 hPa)
                  Density1.55 g/cm3 (20 °C)
                  Ignition temperature421 °C
                  Melting Point54 - 57 °C
                  pH value5.1 (30 g/l, H₂O, 20 °C)
                  Vapor pressure0.009 hPa (20 °C)
                  Solubility40 g/l
                  Dimensions
                  Materials Information
                  Toxicological Information
                  LD 50 oralLD50 Rat 1600 mg/kg
                  Safety Information according to GHS
                  Hazard Pictogram(s) Hazard Pictogram(s)
                  Hazard Statement(s)H302: Harmful if swallowed.
                  H317: May cause an allergic skin reaction.
                  H319: Causes serious eye irritation.
                  H412: Harmful to aquatic life with long lasting effects.
                  Precautionary Statement(s)P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
                  P273: Avoid release to the environment.
                  P280: Wear protective gloves/ eye protection/ face protection.
                  P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
                  P302 + P352: IF ON SKIN: Wash with plenty of 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.
                  Signal WordWarning
                  RTECSSL7700000
                  Storage class10 - 13 Other liquids and solids
                  WGKWGK 1 slightly hazardous to water
                  Disposal3
                  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
                  Categories of dangerharmful, irritant, sensitizing
                  Product Usage Statements
                  Storage and Shipping Information
                  StorageStore below +30°C.
                  Packaging Information
                  Transport Information
                  Supplemental Information
                  Specifications
                  Assay (GC, area%)≥ 99.0 % (a/a)
                  Melting range (lower value)≥ 54 °C
                  Melting range (upper value)≤ 57 °C
                  Identity (IR)passes test

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                  Categories

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                  Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Protecting Groups
                  Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Phenols and Phenol Ethers > Phenols and Phenol Ethers with Other Hydroxyl or Ether Groups
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                  Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Phenols and Phenol Ethers > Phenols and Phenol Ethers with Other Hydroxyl or Ether Groups