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Merck
CN

442769

Propionic acid

analytical standard

Synonym(s):

Acid C3, Propanoic acid, Propanyl acid

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About This Item

Linear Formula:
CH3CH2COOH
CAS Number:
79-09-4
Molecular Weight:
74.08
UNSPSC Code:
12352200
E Number:
E280
PubChem Substance ID:
24868009
EC Number:
201-176-3
Beilstein/REAXYS Number:
506071
MDL number:
MFCD00002756

Key Documents

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InChI key

XBDQKXXYIPTUBI-UHFFFAOYSA-N

InChI

1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

SMILES string

CCC(O)=O

grade

analytical standard

vapor density

2.55 (vs air)

vapor pressure

2.4 mmHg ( 20 °C)

autoignition temp.

955 °F

expl. lim.

12.1 %

packaging

ampule of 1000 mg

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

−24-−23 °C (lit.)

density

0.993 g/mL at 25 °C (lit.)

application(s)

environmental

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signalword

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

129.2 °F - closed cup

flash_point_c

54 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
LB82022V
LB81543V
LB81542V
LB69360
LB63094

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Mila Kojadinovic et al.
Journal of the Royal Society, Interface, 10(81), 20121001-20121001 (2013-02-01)
Chemotaxis is one of the best-characterized signalling systems in biology. It is the mechanism by which bacteria move towards optimal environments and is implicated in biofilm formation, pathogenesis and symbiosis. The properties of the bacterial chemosensory response have been described
R E Frye et al.
Translational psychiatry, 3, e220-e220 (2013-01-24)
Autism spectrum disorder (ASD) has been associated with mitochondrial disease (MD). Interestingly, most individuals with ASD and MD do not have a specific genetic mutation to explain the MD, raising the possibility of that MD may be acquired, at least
Lalit D Kagliwal et al.
Bioresource technology, 129, 694-699 (2013-01-30)
A process for the fermentative production of propionic acid from whole wheat flour using starch and gluten as nutrients is presented. Hydrolysis of wheat flour starch using amylases was optimized. A batch fermentation of hydrolysate supplemented with various nitrogen sources
L B Bindels et al.
British journal of cancer, 107(8), 1337-1344 (2012-09-15)
Metabolites released by the gut microbiota may influence host metabolism and immunity. We have tested the hypothesis that inulin-type fructans (ITF), by promoting microbial production of short-chain fatty acids (SCFA), influence cancer cell proliferation outside the gut. Mice transplanted with
Wendy Franco et al.
Journal of food science, 77(10), M586-M592 (2012-08-29)
Calcium chloride fermentations represent an alternative to reduce chloride concentrations in the wastewaters generated from commercial cucumber fermentations, currently performed in cover brine solutions containing 6% to 12% sodium chloride. However, preliminary attempts to commercially ferment the cucumbers in the
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