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
• Beilstein: 1340498
• MDL number: MFCD00064272
• UNSPSC Code: 41116107
• PubChem Substance ID: 329750993
• NACRES: NA.24

Properties

• 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
• SMILES string: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• InChI key: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Description

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.

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]

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.  ​

Other Notes

Sales restrictions may apply.

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 219.2 °F - closed cup
• Flash Point(C): 104 °C - closed cup