P50404
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
Recommended Products
vapor pressure
0.8 mmHg ( 20 °C)
9.8 mmHg ( 100 °C)
Quality Level
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
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