93171

二乙二醇

BioUltra, ≥99.0% (GC)

• Synonym(s): 2,2′-氧代二乙醇, 2-羟基乙基醚, 二(羟乙基)醚, 二甘醇
• Linear Formula: (HOCH₂CH₂)₂O
• CAS Number: 111-46-6
• Molecular Weight: 106.12
• Beilstein: 969209
• EC 号: 203-872-2
• MDL编号: MFCD00002882
• PubChem化学物质编号: 57653523
• NACRES: NA.25

Properties

• 蒸汽密度: 2.14 (vs air)
• 质量水平: 200
• 蒸汽压: 0.01 mmHg ( 20 °C)
• 描述: non-ionic
• 产品线: BioUltra
• 测定: ≥99.0% (GC)
• 形式: liquid; viscous liquid
• 自燃温度: 442 °F
• expl. lim.: 2-12.3 %
• 杂质: insoluble matter, passes filter test; ≤30 mg/kg peroxides (as H₂O₂)
• 折射率: n20/D 1.447 (lit.); n20/D 1.447
• pH值（酸碱度）: 5.5-7.0 (25 °C, 50 mg/mL in H₂O)
• bp: 245 °C (lit.)
• mp: −10 °C (lit.)
• 溶解性: H₂O: 50 mg/mL at 20 °C, clear, colorless
• 密度: 1.118 g/mL at 25 °C (lit.)
• 痕量阴离子: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• 痕量阳离子: Al: ≤10 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤200 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤200 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: OCCOCCO
• λ: 50 mg/mL in H₂O
• 紫外吸收: λ: 260 nm A_max: ≤0.060; λ: 280 nm A_max: ≤0.030
• InChI: 1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2
• InChI key: MTHSVFCYNBDYFN-UHFFFAOYSA-N

Description

应用

二乙二醇（二甘醇）被用于生物材料工程，使多肽纳米纤维官能化，以改善其聚集和蛋白水解降解性质。二乙二醇可用作各类纳米颗粒制备过程的溶剂、还原剂和衍生剂。

Safety Information

• 象形图: GHS07
• 警示用语：: Warning
• 危险声明: H302
• 预防措施声明: P264 - P270 - P301 + P312 - P501
• 危险分类: Acute Tox. 4 Oral
• 储存分类代码: 10 - Combustible liquids
• WGK: WGK 1
• 闪点(F): 280.4 °F - closed cup
• 闪点(C): 138 °C - closed cup
• 个人防护装备: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter