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N-Butyric Acid

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  Post Date: Oct 11,2018
  Expiry Date: Oct 11,2019
  Detailed Description: Cas No. :107-92-6 Payment Method: T/T D/A D/P L/C
N-butyric Acid/Butyric acid/Butanoic Acid CAS No.: 107-92-6
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Butyric acid (), also known under the systematic name butanoic acid, is a carboxylic acid with the structural formula CH3CH2CH2-COOH. Salts and esters of butyric acid are known as butyrates or butanoates. Butyric acid is found in butter, parmesan cheese, vomit, and as a product of anaerobic fermentation (including in the colon and as body odor). It has an unpleasant smell and acrid taste, with a sweetish aftertaste (similar to ether). It can be detected by mammals with good scent detection abilities (such as dogs) at 10 ppb, whereas humans can detect it in concentrations above 10 ppm.


Butyric acid


IUPAC name[hide]
Butanoic acid
Other names[hide]
Butyric acid; 1-Propanecarboxylic acid; Propanecarboxylic acid; C4:0 (Lipid numbers)
Identifiers
CAS number 107-92-6 Y
PubChem 264
ChemSpider 259 Y
UNII 40UIR9Q29H Y
UN number 2820
DrugBank DB03568
KEGG C00246 Y
MeSH Butyric+acid
ChEBI CHEBI:30772 Y
ChEMBL CHEMBL14227 Y
IUPHAR ligand 1059
Jmol-3D images Image 1
Image 2
SMILES
[show]
O=C(O)CCC
CCCC(=O)O
InChI
[show]
InChI=1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6) Y
Key: FERIUCNNQQJTOY-UHFFFAOYSA-N Y
InChI=1/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6)
Key: FERIUCNNQQJTOY-UHFFFAOYAP
Properties
Molecular formula C4H8O2
Molar mass 88.11 g mol−1
Appearance Colorless liquid
Density 0.9595 g/mL
Melting point
−7.9 °C, 265 K, 18 °F
Boiling point
163.5 °C, 437 K, 326 °F
Solubility in water miscible
Acidity (pKa) 4.82
Refractive index (nD) 1.3980 (19 °C)
Viscosity 0.1529 cP
Hazards
MSDS External MSDS
EU classification Xn C
R-phrases R20 R21 R22 R34 R36 R37 R38
Flash point 72 °C (162 °F)
Autoignition
temperature 452 °C (846 °F)
Related compounds
Other anions butyrate
Related carboxylic acids propionic acid
acrylic acid
succinic acid
malic acid
tartaric acid
crotonic acid
fumaric acid
pentanoic acid
Related compounds butanol
butyraldehyde
methyl butyrat

  CAS Registry Number:

107-92-6
  Synonyms: ;Natural Butyric Acid;butanoate;Butyric Acid;
  Molecular Formula: C4H8O2
  Molecular Weight: 88.11
  Molecular Structure: 107-92-6 n-Butyric acid
  Hazard Symbols:  C:Corrosive;
  Risk Codes: R34:;
  Safety Description: S26:;
S36:;
S45:;

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