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1,4-Dimethoxybenzene

1,4-Dimethoxybenzene Structure
1,4-Dimethoxybenzene
  • CAS No.150-78-7
  • Chemical Name:1,4-Dimethoxybenzene
  • CBNumber:CB7253689
  • Molecular Formula:C8H10O2
  • Formula Weight:138.16
  • MOL File:150-78-7.mol
1,4-Dimethoxybenzene Property
  • Melting point: :54-56 °C(lit.)
  • Boiling point: :213 °C(lit.)
  • Density  :1.053 g/mL at 25 °C(lit.)
  • vapor density  :4.8 (vs air)
  • vapor pressure  :<1 mm Hg ( 20 °C)
  • refractive index  :1.5231 (estimate)
  • FEMA  :2386 | P-DIMETHOXYBENZENE
  • Flash point: :98 °C
  • storage temp.  :Sealed in dry,Room Temperature
  • solubility  :dioxane: 0.1 g/mL, clear
  • form  :Crystalline Powder, Crystals, or Flakes
  • color  :White
  • Specific Gravity :1.053
  • PH :7 (H2O, 20℃)(saturated solution)
  • explosive limit :1.2-5.6%(V)
  • Water Solubility  :0.8 g/l (20 ºC)
  • Sensitive  :Light Sensitive
  • JECFA Number :1250
  • BRN  :774605
  • Stability: :Stable. Combustible. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference :150-78-7(CAS DataBase Reference)
  • Substances Added to Food (formerly EAFUS) :P-DIMETHOXYBENZENE
  • EWG's Food Scores :1
  • FDA UNII :24WC6T6X0G
  • NIST Chemistry Reference :Benzene, 1,4-dimethoxy-(150-78-7)
  • EPA Substance Registry System :p-Dimethoxybenzene (150-78-7)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319
  • Precautionary statements P280g-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
1,4-Dimethoxybenzene Price More Price(16)
  • Brand: Sigma-Aldrich
  • Product number: 54306
  • Product name : 1,4-Dimethoxybenzene
  • Purity: analytical standard
  • Packaging: 100mg
  • Price: $64.1
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: W238600
  • Product name : 1,4-Dimethoxybenzene
  • Purity: 99%, FG
  • Packaging: 1 kg
  • Price: $71.2
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: D131350
  • Product name : 1,4-Dimethoxybenzene
  • Purity: ReagentPlus , 99%
  • Packaging: 1kg
  • Price: $118
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: W238600
  • Product name : 1,4-Dimethoxybenzene
  • Purity: 99%, FG
  • Packaging: 5 kg
  • Price: $245
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: W238600
  • Product name : 1,4-Dimethoxybenzene
  • Purity: 99%, FG
  • Packaging: 10 kg
  • Price: $453
  • Updated: 2021/03/22
  • Buy: Buy

1,4-Dimethoxybenzene Chemical Properties,Usage,Production

  • Chemical Properties white crystals or powder
  • Chemical Properties Hydroquinone Dimethyl Ether occurs in hyacinth oil and has also been identified in tea. It is a white, crystalline solid (mp 57–58°C) with an intensely sweet, somewhat herbal, nut-like odor.
    Hydroquinone dimethyl ether is prepared by etherification of hydroquinone and is used in soap perfumes.
  • Chemical Properties p-Dimethoxybenzene has a bitter taste.
  • Occurrence Reported found in hyacinth (Hyacinthus orientalis L.) essential oil, Rhodophyllus icterius, papaya, peppermint oil, green tea, cherimoya and cooked shrimp
  • Uses Weathering agent in paints and plastics, fixative in perfumes, dyes, resin intermediate, cosmetics, especially suntan preparations, flavoring.
  • Preparation By methylation of hydroquinone using dimethyl sulfate and alkali.
  • Synthesis Reference(s) Journal of the American Chemical Society, 83, p. 1251, 1961 DOI: 10.1021/ja01466a056
  • General Description Colorless crystals.
  • Air & Water Reactions Slightly water soluble .
  • Reactivity Profile 1,4-Dimethoxybenzene is an ether. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.
  • Purification Methods Steam distil 1,4-dimethoxybenzene, then crystallise it from hexane or *benzene, and from MeOH or EtOH, but these are wasteful due to high solubilities. Dry it under vacuum. It also sublimes under vacuum. [Beilstein 6 IV 5718.]
1,4-Dimethoxybenzene Preparation Products And Raw materials
Raw materials
Preparation Products
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  • 1,4-Dimethoxybenzene, 99%, for synthesis