8.43912

Polyethylene glycol diacid 600

for synthesis

• 别名: Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
• 线性分子式: HOOCCH₂(OCH₂CH₂)_nOCH₂COOH
• CAS号: 39927-08-7
• MDL號碼: MFCD00132002
• 分類程式碼代碼: 12352106
• NACRES: NA.22

属性

• 品質等級: 200
• 形狀: liquid
• 效力: >2000 mg/kg LD₅₀, oral (Rat)
• pH值: 2.1 (100 g/L in H₂O)
• 轉變溫度: flash point 300 °C
• 密度: 1.185 g/cm³ at 20 °C
• 儲存溫度: 2-30°C

说明

應用

Polyethylene glycol diacid 600 can be used as an acylating agent as well as a solvent in the resolution of free secondary alcohols using a biocatalyst. It is also used as a hydrophilic ligand in the surface modification of lanthanide co-doped NaYF₄ nanocrystals via ligand exchange reaction to impart the water solubility of the nanocrystals.

分析報告

Colour (visual): colourless
Appearance of substance (visual): liquid
Acid value: 160 - 195
Water (K. F.): ≤ 5.0 %
Refractive index (n 20°/D): 1.460 - 1.480
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

安全信息

• 儲存類別代碼: 10 - Combustible liquids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 572.0 °F - closed cup
• 閃點（°C）: 300 °C - closed cup