81942

丙酸酐

purum, ≥96.0% (NT)

• 同義詞: 初油酸酐
• 線性公式: (CH₃CH₂CO)₂O
• CAS號碼: 123-62-6
• 分子量：: 130.14
• Beilstein: 507066
• EC號碼: 204-638-2
• MDL號碼: MFCD00009303
• 分類程式碼代碼: 12352100
• PubChem物質ID: 329769224
• NACRES: NA.22

屬性

• 蒸汽密度: 4.5 (vs air)
• 品質等級: 200
• 蒸汽壓力: 10 mmHg ( 57.7 °C)
• 等級: purum
• 化驗: ≥96.0% (NT)
• 形狀: liquid
• 自燃溫度: 545 °F
• expl. lim.: 11.9 %
• 折射率: n20/D 1.404 (lit.); n20/D 1.404
• bp: 167 °C (lit.)
• mp: −43 °C (lit.)
• 溶解度: H₂O: decomposes (when in contact with water)
• 密度: 1.010 g/mL at 20 °C; 1.015 g/mL at 25 °C (lit.)
• 官能基: anhydride; ester
• SMILES 字串: CCC(=O)OC(=O)CC
• InChI: 1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
• InChI 密鑰: WYVAMUWZEOHJOQ-UHFFFAOYSA-N

描述

應用

Propionic anhydride can be used:

• As an esterifying reagent in the modification of cassava starch by acylation reaction.
• As a reactant along with anisole in the synthesis of 4-methoxypropiophenone using various solid acid catalysts via Friedel−Crafts acylation reaction.
• As a reagent in the synthesis of cyanohydrin esters by treating KCN with aldehyde in presence of bimetallic titanium(salen) complex catalyst.

其他說明

可能实行销售限制

安全資訊

• 象形圖: GHS05
• 訊號詞: Danger
• 危險聲明: H314
• 防範說明: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• 危險分類: Eye Dam. 1 - Skin Corr. 1B
• 儲存類別代碼: 8A - Combustible corrosive hazardous materials
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 165.2 °F - closed cup
• 閃點（°C）: 74 °C - closed cup
• 個人防護裝備: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter