4-Pentynoic acid

• Catalog No.: 232211
• CAS Number: 6089-09-4
• M. F.: C5H6O2
• M. W.: 98.09994
• Purity: 95%

SYNONYMS

• Title: 4-戊炔酸
• IUPAC name: pent-4-ynoic acid
• IUPAC Traditional name: 4-pentynoic acid
• Synonyms: Propargylacetic acid; 炔丙基脲

DATABASE IDS

• Beilstein Number: 1742047
• EC Number: 228-028-0
• MDL Number: MFCD00004407
• CAS Number: 6089-09-4
• PubChem SID: 24853886

PROPERTIES

• Linear Formula: CH≡CCH2CH2COOH
• Purity: 95%
• Boiling Point: 110 °C/30 mmHg(lit.)
• Melting Point: 54-57 °C(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H314
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P280-P305 + P351 + P338-P310
• RID/ADR: UN 3261 8/PG 2
• Risk Statements: 34
• RTECS: SC4751000
• Safety Statements: 26-36/37/39-45
• Storage Temperature: 2-8°C
• Hazard Class: 8
• UN Number: 3261
• Packing Group: 2
• German water hazard class: 3
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

DETAILS

Description (English)

Packaging
1, 5 g in glass bottle
Application
Reaction with 1-bromo-1-alkynes in the presence of a Pd catalyst yields biologically active ynenol lactones.1
Used in a synthesis of a cyctotoxic macrolide by ring-closing metathesis of a bis acetylene.

Description (简体中文)

包装
1, 5 g in glass bottle
Application
在钯催化剂存在下与 1-溴-1-炔反应生成具有生物活性的炔烯醇内酯。1
通过双乙炔的关环复分解反应合成细胞毒性大环内酯。