12279

1,2-Propanediol

analytical standard

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

Propiedades

• grado: analytical standard
• Nivel de calidad: 100
• densidad de vapor: 2.62 (vs air)
• presión de vapor: 0.08 mmHg ( 20 °C)
• Ensayo: ≥99.7% (GC)
• temp. de autoignición: 779 °F
• caducidad: limited shelf life, expiry date on the label
• lim. expl.: 12.5 %
• técnicas: HPLC: suitable; gas chromatography (GC): suitable
• índice de refracción: n20/D 1.432 (lit.); n20/D 1.433
• bp: 187 °C (lit.)
• mp: −60 °C (lit.)
• densidad: 1.036 g/mL at 25 °C (lit.)
• aplicaciones: cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; forensics and toxicology; personal care; pharmaceutical (small molecule)
• Formato: neat
• cadena SMILES: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• Clave InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Descripción

Descripción general

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

Aplicación

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.

Información de seguridad

• Código de clase de almacenamiento: 10 - Combustible liquids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): 217.4 °F - closed cup
• Punto de inflamabilidad (°C): 103 °C - closed cup
• Equipo de protección personal: Eyeshields, Gloves