D106208

3,4-Dihydro-2H-pyran

97%

• 동의어(들): 2,3,4-Trihydropyran, 2H-3,4-Dihydropyran, Dihydro-2H-pyran, Dihydropyran
• 실험식(Hill 표기법): C₅H₈O
• CAS Number: 110-87-2
• Molecular Weight: 84.12
• Beilstein: 103493
• EC Number: 203-810-4
• MDL number: MFCD00006558
• UNSPSC 코드: 12352005
• PubChem Substance ID: 24893341
• NACRES: NA.22

속성

• vapor density: 2.9 (vs air)
• Quality Level: 200
• 분석: 97%
• 형태: liquid
• refractive index: n20/D 1.440 (lit.)
• bp: 86 °C (lit.)
• mp: −70 °C (lit.)
• density: 0.922 g/mL at 25 °C (lit.)
• SMILES string: C1COC=CC1
• InChI: 1S/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
• InChI key: BUDQDWGNQVEFAC-UHFFFAOYSA-N

설명

애플리케이션

3,4-Dihydro-2H-pyran can be used as a reactant to synthesize:

• Tetrahydropyranylated product from alcohols in the presence of phenolsulfonic acid-formaldehyde resin catalyst.
• Tetrahydropyran derivatives by reacting pyrazoles in the presence of trifluoroacetic acid.
• 1,2,3,4-Tetrahydroquinoline derivatives by cation-exchange resin catalyzed Domino reaction with aromatic amines.
• Tetrahydroquinolines from aryl azides in the presence of FeCl₃-NaI.

안전성 정보

• 픽토그램: GHS02,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H225,H315,H317,H319,H412
• 예방조치 성명서: P210 - P233 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1B
• 보충제 위험성: EUH019
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point (°F): 5.0 °F - closed cup
• Flash Point (°C): -15 °C - closed cup
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter