Merck
All Photos(1)

1570483

USP

1,3-Propanediol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):
1,3-Dihydroxypropane, Trimethylene glycol, PG, Bio-PDO
Linear Formula:
HO(CH2)3OH
CAS Number:
Molecular Weight:
76.09
Beilstein:
969155
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

vapor pressure

0.8 mmHg ( 20 °C)
9.8 mmHg ( 100 °C)

manufacturer/tradename

USP

refractive index

n20/D 1.440 (lit.)

bp

214 °C/760 mmHg (lit.)

mp

−27 °C (lit.)

density

1.053 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

OCCCO[H]

InChI

1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2

InChI key

YPFDHNVEDLHUCE-UHFFFAOYSA-N

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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.

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

USP issued SDS can be found here.
Sales restrictions may apply.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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