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82320

Sigma-Aldrich

(±)-Propylene oxide

puriss. p.a., ≥99.5% (GC)

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Synonym(s):
(±)-Methyloxirane, 1,2-Epoxypropane
Empirical Formula (Hill Notation):
C3H6O
CAS Number:
Molecular Weight:
58.08
Beilstein/REAXYS Number:
79763
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor density

2 (vs air)

Quality Level

vapor pressure

29.43 psi ( 55 °C)
8.59 psi ( 20 °C)

grade

puriss. p.a.

assay

≥99.5% (GC)

form

liquid

autoignition temp.

1378 °F

expl. lim.

37 %

impurities

≤0.1% water

evapn. residue

≤0.005%

refractive index

n20/D 1.366 (lit.)
n20/D 1.366

bp

34 °C (lit.)

mp

−112 °C (lit.)

density

0.83 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

shipped in

wet ice

storage temp.

2-8°C

SMILES string

CC1CO1

InChI

1S/C3H6O/c1-3-2-4-3/h3H,2H2,1H3

InChI key

GOOHAUXETOMSMM-UHFFFAOYSA-N

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This Item
110205566711576945
(±)-Propylene oxide puriss. p.a., ≥99.5% (GC)

82320

(±)-Propylene oxide

(±)-Propylene oxide ReagentPlus®, ≥99%

110205

(±)-Propylene oxide

(±)-Propylene oxide analytical standard

56671

(±)-Propylene oxide

Propylene oxide United States Pharmacopeia (USP) Reference Standard

1576945

Propylene oxide

grade

puriss. p.a.

grade

-

grade

-

grade

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

density

0.83 g/mL at 25 °C (lit.)

density

0.83 g/mL at 25 °C (lit.)

density

0.83 g/mL at 25 °C (lit.)

density

0.83 g/mL at 25 °C (lit.)

vapor density

2 (vs air)

vapor density

2 (vs air)

vapor density

2 (vs air)

vapor density

2 (vs air)

form

liquid

form

-

form

-

form

-

General description

(±)-Propylene oxide (PPO) belongs to the class of monomers known as epoxides or oxiranes. It is used as a raw material in the preparation n of polyurethane foam and polyether polyols, which are used in the production of polyurethane elastomers, polyurethane plastics, adhesives, sealants, and coatings. These materials find applications in industries such as automotive, construction, electronics, and textiles. PPO-based polymers possess flexibility and elasticity as inherent properties, making them well-suited for applications that demand materials with excellent resilience, stretchability, and impact resistance. Additionally, PPO-derived polymers are biocompatible, which makes them suitable for applications in various fields such as biomedical engineering, drug delivery, and tissue engineering.

Application

Propylene oxide can be used as a starting material to synthesize:
  • Poly(3-hydroxybutyrate), a biodegradable and biocompatible polyester, by carbonylative polymerization.
  • Poly (propylene-ram-ε-caprolactone carbonate) (PPCL) and poly (propylene carbonate) (PPC), which are applicable as drug carriers.
Propylene oxide may be used in the production of polyether polyols, propylene glycols, propylene glycol ethers.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-36.4 °F - Equilibrium method

flash_point_c

-38 °C - Equilibrium method

ppe

Faceshields, Gloves, Goggles


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The aqueous gelation of a quaternary ammonium oligo(propylene oxide)-based ionic liquid yields ion gels with a reverse thermoresponsive behavior (i.e., mechanical moduli and viscosity increase with temperature) and enhanced ionic conductivities.
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Chirality recognition in the hydrogen-bonded glycidol···propylene oxide complex has been studied by using rotational spectroscopy and ab initio calculations. An extensive conformational search has been performed for this binary adduct at the MP2/6-311++G(d,p) level of theory and a total of
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