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Key Documents

P50404

Sigma-Aldrich

1,3-Propanediol

98%

Synonym(s):

1,3-Dihydroxypropane, Trimethylene glycol

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About This Item

Linear Formula:
HO(CH2)3OH
CAS Number:
Molecular Weight:
76.09
Beilstein:
969155
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

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

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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.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

>210.2 °F - closed cup

Flash Point(C)

> 99 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Journal of Materials Science Letters, 12, 1221-1221 (1993)
Effect of different calcination temperatures and post annealing on the properties of 1, 3 propanediol based Sol-Gel (Na0. 5K0. 5) NbO3 (NKN) thin films
Wiegand S, et al.
Journal of alloys and compounds, 548, 38-45 (2013)
Stud. Nat. Prod. Chem., 13, 53-53 (1993)
N-heterocyclization of naphthylamines with 1,2- and 1,3-diols catalyzed by an iridium chloride/BINAP system
Hiroomi Aramoto, et al.
The Journal of Organic Chemistry, 74(2), 628-623 (2009)
Journal of Applied Polymer Science. Applied Polymer Symposium, 50, 693-693 (1993)

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