1576708

Propylene glycol

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): 1,2-Propanediol, Propylene glycol
• Linear Formula: CH₃CH(OH)CH₂OH
• CAS Number: 57-55-6
• Molecular Weight: 76.09
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329750993
• MDL number: MFCD00064272
• Beilstein/REAXYS Number: 1340498

Properties

• Product Name: Propylene glycol, United States Pharmacopeia (USP) Reference Standard
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• SMILES string: CC(O)CO
• InChI key: DNIAPMSPPWPWGF-UHFFFAOYSA-N
• grade: pharmaceutical primary standard
• vapor density: 2.62 (vs air)
• vapor pressure: 0.08 mmHg ( 20 °C)
• API family: propylene glycol
• autoignition temp.: 779 °F
• expl. lim.: 12.5 %
• manufacturer/tradename: USP
• refractive index: n20/D 1.432 (lit.)
• bp: 187 °C (lit.)
• mp: −60 °C (lit.)
• density: 1.036 g/mL at 25 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat

Description

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Propylene glycol USP reference standard intended for use in specified quality tests and assays.

Also used to prepare standard stock, standard, sample, system suitability, and sensitivity solution for assay and impurity analysis according to the given below monographs of United States Pharmacopeia (USP):

• Propylene Glycol Dilaurate [1]
• Phenytoin Sodium Injection [2]
• Hydroxypropyl Betadex [3]
• Butylene Glycol [4]

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk: WGK 1
• flash_point_f: 219.2 °F - closed cup
• flash_point_c: 104 °C - closed cup