12279

1,2-Propanediol

analytical standard

• Sinônimo(s): 1,2-PDO, Propylene glycol
• Fórmula linear: CH₃CH(OH)CH₂OH
• Número CAS: 57-55-6
• Peso molecular: 76.09
• Beilstein: 1340498
• Número CE: 200-338-0
• Número MDL: MFCD00064272
• Código UNSPSC: 41116107
• ID de substância PubChem: 329749683
• Número E: E490
• NACRES: NA.24

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• densidade de vapor: 2.62 (vs air)
• pressão de vapor: 0.08 mmHg ( 20 °C)
• Ensaio: ≥99.7% (GC)
• temperatura de autoignição: 779 °F
• prazo de validade: limited shelf life, expiry date on the label
• Lim. expl.: 12.5 %
• técnica(s): HPLC: suitable; gas chromatography (GC): suitable
• índice de refração: n20/D 1.432 (lit.); n20/D 1.433
• pb: 187 °C (lit.)
• pf: −60 °C (lit.)
• densidade: 1.036 g/mL at 25 °C (lit.)
• aplicação(ões): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; forensics and toxicology; personal care; pharmaceutical (small molecule)
• formato: neat
• cadeia de caracteres SMILES: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• chave InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Descrição

Descrição geral

1,2-Propanediol is a compound found to be chemically similar to ethylene glycol and is widely used in automobile antifreeze, activated charcoal preparations, cosmetics, beverages, ointments, etc. It is used as a diluent for the intravenous preparations of poorly water-soluble drugs.

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Aplicação

1,2-Propanediol may be used as an analyte protectant for the gas chromatography-mass spectrometric detection of environmental contaminants in honey, honeybees and pollens. It is also used as an analytical reference standard for the quantification of the analyte in biological fluids using headspace-gas chromatography (HS-GC) technique.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Informações de segurança

• Código de classe de armazenamento: 10 - Combustible liquids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): 217.4 °F - closed cup
• Ponto de fulgor (°C): 103 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Gloves