δ-Valerolactone

• Catalog No.: 94585
• CAS Number: 542-28-9
• M. F.: C5H8O2
• M. W.: 100.11582

SYNONYMS

• Title: δ-戊内酯
• IUPAC name: oxan-2-one
• IUPAC Traditional name: delta-valerolactone
• Synonyms: Tetrahydro-2H-2-pyranone; 四氢-2H-2-吡喃酮

DATABASE IDS

• PubChem SID: 24890020
• CAS Number: 542-28-9
• Beilstein Number: 106436
• EC Number: 208-807-1
• MDL Number: MFCD00006645

PROPERTIES

• Empirical Formula (Hill Notation): C5H8O2
• Grade: technical
• Boiling Point: 226-229 °C(lit.)
• Boiling Point: 58-60 °C/0.5 mmHg(lit.)
• Density: 1.105 g/mL at 20 °C
• Density: 1.079 g/mL at 25 °C(lit.)
• Flash Point: 112 °C
• Flash Point: 233.6 °F
• Melting Point: -13--12 °C(lit.)
• Refractive Index: n20/D 1.457(lit.)
• Refractive Index: n20/D 1.457
• GHS Signal Word: Danger
• GHS Hazard statements: H318
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P280-P305 + P351 + P338
• Risk Statements: 41
• Safety Statements: 26-39
• Storage Temperature: 2-8°C
• German water hazard class: 3

DETAILS

Description (English)

General description
may contain up to 25% polymerized δ-valerolactone, which may be reconstituded by distillation

Description (简体中文)

General description
可能含多达 25% 的聚合 δ-戊内酯，可通过蒸馏复原