55417

1,2-Propanediol

analytical reference material

• Synonym(s): Propylene glycol
• Linear Formula: CH₃CH(OH)CH₂OH
• CAS Number: 57-55-6
• Molecular Weight: 76.09
• Beilstein: 1340498
• EC Number: 200-338-0
• MDL number: MFCD00064272
• UNSPSC Code: 41116107
• PubChem Substance ID: 329758104

Properties

• grade: analytical reference material
• Quality Level: 100
• vapor density: 2.62 (vs air)
• vapor pressure: 0.08 mmHg ( 20 °C)
• Assay: ≥98.5% (qNMR); ≥99.5% (GC)
• autoignition temp.: 779 °F
• shelf life: limited shelf life, expiry date on the label
• expl. lim.: 12.5 %
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• impurities: ≤0.5% water
• refractive index: n20/D 1.432 (lit.); n20/D 1.432-1.434
• bp: 187 °C (lit.)
• mp: −60 °C (lit.)
• density: 1.036 g/mL at 25 °C (lit.)
• application(s): cleaning products; cosmetics; flavors and fragrances; food and beverages; forensics and toxicology; personal care; pharmaceutical (small molecule)
• format: neat
• SMILES string: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• InChI key: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Description

Application

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

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 217.4 °F - closed cup
• Flash Point(C): 103 °C - closed cup