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P50404

1,3-Propanediol

Name: 1,3-Propanediol
Brand: ALDRICH

98%

Synonym(s):

1,3-Dihydroxypropane, Trimethylene glycol

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About This Item

Linear Formula:

HO(CH₂)₃OH

CAS Number:

504-63-2

Molecular Weight:

76.09

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24898583

EC Number:

207-997-3

Beilstein/REAXYS Number:

969155

MDL number:

MFCD00002949

Assay:

98%

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Properties

Quality Segment

200

vapor pressure

0.8 mmHg ( 20 °C), 9.8 mmHg ( 100 °C)

assay

98%

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.)

SMILES string

OCCCO[H]

InChI

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

InChI key

YPFDHNVEDLHUCE-UHFFFAOYSA-N

Description

Application

1,3-Propanediol can be used as:

A solvent as well as stabilizer in the preparation of thin films.
A monomer to synthesize various polyesters such as poly(propylene terephthalate) (PPT), poly(propylene isophthalate) (PPI), and poly(propylene naphthalate) by polycondensation reaction with terephthalic, isophthalic, and 2,6-naphthalenedicarboxylic acid.
A reactant to prepare 7,8-benzoquinoline by IrCl₃ catalyzed cyclization reaction with 1-naphthylamine.

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Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

>210.2 °F - closed cup

flash_point_c

> 99 °C - closed cup

ppe

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