Tetrahydro-4H-pyran-4-one

• Catalog No.: 87475
• CAS Number: 29943-42-8
• M. F.: C5H8O2
• M. W.: 100.11582
• Purity: ≥98.5% (GC)

SYNONYMS

• Title: 四氢吡喃酮
• IUPAC name: oxan-4-one
• IUPAC Traditional name: 4H-pyran-4-one, tetrahydro-
• Synonyms: 4-Oxotetrahydropyran; 四氢-4H-吡喃-4-酮

DATABASE IDS

• MDL Number: MFCD00006581
• PubChem SID: 24888906
• CAS Number: 29943-42-8
• EC Number: 249-967-2
• Beilstein Number: 106463

PROPERTIES

• Empirical Formula (Hill Notation): C5H8O2
• Grade: puriss.
• Purity: ≥98.5% (GC)
• Boiling Point: 166-166.5 °C(lit.)
• Density: 1.084 g/mL at 25 °C(lit.)
• Flash Point: 55 °C
• Flash Point: 131 °F
• Refractive Index: n20/D 1.452(lit.)
• Refractive Index: n20/D 1.452
• GHS Signal Word: Warning
• GHS Hazard statements: H226
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1224 3/PG 3
• Risk Statements: 10
• Hazard Class: 3
• UN Number: 1224
• Packing Group: 3
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Synthetic intermediate; e.g. for the preparation of the 4-methoxytetrahydropyran-4-yl protecting group1; synthesis of symmetric tetrasubstituted methanes2

Description (简体中文)

Other Notes
合成的中间体；例如用于制备 4-甲氧基四氢吡喃-4-基保护基团1；合成以对称方式四取代的甲烷类化合物2