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Key Documents

P51451

Sigma-Aldrich

Propionaldehyde

97%

Synonym(s):

Propanal

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About This Item

Linear Formula:
CH3CH2CHO
CAS Number:
Molecular Weight:
58.08
Beilstein:
506010
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

vapor density

2 (vs air)

vapor pressure

18.77 psi ( 55 °C)
4.89 psi ( 20 °C)

Assay

97%

autoignition temp.

404 °F

expl. lim.

17 %, 26 °F
2.6 %, 31 °F

refractive index

n20/D 1.362 (lit.)

bp

46-50 °C (lit.)

mp

−81 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]C(=O)CC

InChI

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

InChI key

NBBJYMSMWIIQGU-UHFFFAOYSA-N

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Packaging

2L unit packaged in poly-coated bottle

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-22.0 °F - closed cup

Flash Point(C)

-30 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Cynthia A Morgan et al.
Chemico-biological interactions, 234, 29-37 (2014-12-03)
The human aldehyde dehydrogenase (ALDH) superfamily consists of at least 19 enzymes that metabolize endogenous and exogenous aldehydes. Currently, there are no commercially available inhibitors that target ALDH1A1 but have little to no effect on the structurally and functionally similar
Lian Hua Luo et al.
Applied microbiology and biotechnology, 89(3), 697-703 (2010-10-05)
Although the de novo biosynthetic mechanism of 3-hydroxypropionic acid (3-HP) in glycerol-fermenting microorganisms is still unclear, the propanediol utilization protein (PduP) of Lactobacillus species has been suggested to be a key enzyme in this regard. To verify this hypothesis, a
Lian Hua Luo et al.
Bioresource technology, 103(1), 1-6 (2011-10-25)
The pduP gene encodes a propionaldehyde dehydrogenase (PduP) was investigated for the role in 3-hydroxypropionic acid (3-HP) glycerol metabolism in Klebsiella pneumoniae. The enzyme assay showed that cell extracts from a pduP mutant strain lacked measurable dehydrogenase activity. Additionally, the
Sabine Vollenweider et al.
Journal of agricultural and food chemistry, 58(19), 10315-10322 (2010-09-18)
The hydroxypropionaldehyde (HPA) system is a natural defense system synthesized by the probiotic bacterium Lactobacillus reuteri. To elucidate which of the molecules composing the HPA system (3-hydroxypropionaldehyde (3-HPA), reuterin (HPA dimer), and HPA hydrate) is responsible for the potent antimicrobial
Sean M McClure et al.
Proceedings of the National Academy of Sciences of the United States of America, 108(3), 931-936 (2010-10-16)
C(2)H(4)/CO/H(2) reaction is investigated on Rh/SiO(2) model catalyst surfaces. Kinetic reactivity and infrared spectroscopic measurements are investigated as a function of Rh particle size under near atmospheric reaction conditions. Results show that propionaldehyde turnover frequency (TOF) (CO insertion pathway) exhibits

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