3,4-Dihydropyran is mainly as a pharmaceutical intermediate. Alcohol group protection reagent; widely used in hydroxyl group protection reagent. Dihydropyran is chemically active, and tetrahydropyran, pentanediol, glutaric acid, valerolactone, pentadiene and resin products can be produced through polymerization, hydrogenation, oxidation and other reactions.
Product Name: 3,4-dihydropyran
Other Name: 2,3-dihydropyran
CAS NO.: 110-87-2
Assay: 98.0%min
Appearance: colorless transparent liquid
Package: 180kg/iron-drum and long-term inventory
Usage:Pharmaceutical and organic synthesis intermediates, Hydroxyl protection agents.
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Product Name
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3,4-dihydropyran
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Other Name
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3,4-Dihydro-2H-pyran; 2,3-Dihydro-4H-pyran ; 5,6-Dihydro-4H-pyran ; DHP
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CAS
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110-87-2
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EINECS
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203-810-4
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Molecular Formula
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C5H8O
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Molecular Weight
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84.1164
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inchi
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InChI=1/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
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Density
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0.9221 (19/15℃)
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Boiling point
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86-87℃
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Flash point
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-15℃
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Vapor pressure
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77.8 hPa (20 °C)
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Refractive index
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1.4402 (19℃)
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Dangerous goods sign
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F,Xi
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Risk term
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R11R36/37/38
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Security term
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S9S16S33
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Dangerous Goods Transport Number
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UN2376 3/PG 2
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