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8.22133

Sigma-Aldrich

Propionaldehyde

for synthesis

Synonym(s):

Propionaldehyde, Propanal

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About This Item

Empirical Formula (Hill Notation):
C3H6O
CAS Number:
123-38-6
Molecular Weight:
58.08
MDL number:
MFCD00007020
UNSPSC Code:
12352114
EC Index Number:
204-623-0
NACRES:
NA.22

vapor pressure

343 hPa ( 20 °C)

Quality Level

200

assay

≥98% (GC)

form

liquid

autoignition temp.

175 °C

potency

1410 mg/kg LD50, oral (Rat)
2460 mg/kg LD50, skin (Rabbit)

expl. lim.

2.3-21 % (v/v)

bp

47-48 °C/1013 hPa

mp

-81 °C

transition temp

flash point -40 °C

density

0.81 g/cm3 at 20 °C

InChI

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

InChI key

NBBJYMSMWIIQGU-UHFFFAOYSA-N

Application


  • Propanethiol Oxidation Pathway: Propionaldehyde is a critical intermediary in the microbial catabolism of propanethiol, which is essential for environmental bioremediation strategies using Pseudomonas putida. This application in biotechnology suggests promising approaches to industrial waste treatment (Qiao et al., 2024).

  • Chemical Synthesis of mRNA Probes: Propionaldehyde serves as a reagent in the synthesis of modified guanosine phosphate derivatives, which are vital for mRNA labeling in biochemistry and pharmaceutical applications, highlighting its role in advanced molecular biology techniques (Senthilvelan et al., 2023).

  • VOC Treatment in Environmental Engineering: In environmental engineering, propionaldehyde is analyzed as a volatile organic compound (VOC) from service station emissions, underlining its impact on air quality and secondary pollution (Hu et al., 2023).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.797 - 0.802
Water (GC): ≤ 2.0 % (a/a)
Identity (IR): passes test

signalword

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

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-22.0 °F - closed cup

flash_point_c

-30 °C - closed cup

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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