32160

Diethylene glycol

puriss. p.a., ≥99.0% (GC), colorless

• Sinônimo(s): 2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol
• Fórmula linear: (HOCH₂CH₂)₂O
• Número CAS: 111-46-6
• Peso molecular: 106.12
• Beilstein: 969209
• Número CE: 203-872-2
• Número MDL: MFCD00002882
• Código UNSPSC: 12352100
• ID de substância PubChem: 57648659
• NACRES: NA.21

Propriedades

• densidade de vapor: 2.14 (vs air)
• Nível de qualidade: 200
• pressão de vapor: 0.01 mmHg ( 20 °C)
• descrição: non-ionic
• grau: puriss. p.a.
• Ensaio: ≥99.0% (GC)
• Formulário: viscous liquid (clear)
• temperatura de autoignição: 442 °F
• Lim. expl.: 2-12.3 %
• técnica(s): GC/GC: suitable
• Impurezas: ≤0.003% peroxides (as H₂O₂); ≤0.01% free acid (as CH₃COOH); ≤0.1% water; ≤0.8% ethylene glycol (HOCH₂CH₂OH)
• cor: colorless; APHA: ≤25
• índice de refração: n20/D 1.447 (lit.); n20/D 1.447
• p.e.: 245 °C (lit.)
• pf: −10 °C (lit.)
• densidade: 1.116 g/mL at 20 °C; 1.118 g/mL at 25 °C (lit.)
• traços de cátion: Ca: ≤5 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: ≤2 mg/kg; K: ≤20 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Na: ≤20 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Zn: ≤10 mg/kg
• cadeia de caracteres SMILES: OCCOCCO
• InChI: 1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2
• chave InChI: MTHSVFCYNBDYFN-UHFFFAOYSA-N

Descrição

Descrição geral

Diethylene glycol (DEG) is formed as side reaction product during the esterification reaction of terephthalic acid with ethylene glycol. It readily forms complexes with 3d transition metal cations in the presence of alkaline hydroxide. Its solutions are widely employed for antifreeze and lubricating applications. Oxidative degradation of DEG with ozone by modified Fenton process (mixture of hydrogen peroxide and ferric salt) was described in a study.

Aplicação

Diethylene glycol may be used for electrodeposition of cadmium sulfide (CdSe) films. It may be used to compose the fluoride ion electrolytes, for use in the preparation of self-organized titania nanotube arrays.

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H302
• Declarações de precaução: P264 - P270 - P301 + P312 - P501
• Classificações de perigo: Acute Tox. 4 Oral
• Código de classe de armazenamento: 10 - Combustible liquids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): 280.4 °F - closed cup
• Ponto de fulgor (°C): 138 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter