Difference between revisions of "Butyric acid"
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== Description == | == Description == | ||
| − | + | [[[SliderGallery rightalign|butyric acid.jpg~Chemical structure]]] | |
A colorless liquid with a rancid butter smell. Butyric acid occurs naturally in butter in concentration of about 5%. It is used in the manufacture of varnishes and the pretreatment of hides for tanning. | A colorless liquid with a rancid butter smell. Butyric acid occurs naturally in butter in concentration of about 5%. It is used in the manufacture of varnishes and the pretreatment of hides for tanning. | ||
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butanoic acid; n-butyric acid; ethylacetic acid; propylformic acid | butanoic acid; n-butyric acid; ethylacetic acid; propylformic acid | ||
| − | [ | + | == Risks == |
| + | |||
| + | * Combustible. Flash point = 69C. | ||
| + | * Strongly irritating to skin and tissue. May cause burns. | ||
| + | * Fisher Scientific: [https://fscimage.fishersci.com/msds/03680.htm MSDS] | ||
| − | == | + | ==Physical and Chemical Properties== |
Miscible with water, ethanol, ether. | Miscible with water, ethanol, ether. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | -7.9 | + | | -7.9 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 0.959 | + | | 0.959 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 163. | + | | 163.5C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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* Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | * Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | ||
Latest revision as of 12:52, 11 May 2022
Description
A colorless liquid with a rancid butter smell. Butyric acid occurs naturally in butter in concentration of about 5%. It is used in the manufacture of varnishes and the pretreatment of hides for tanning.
Synonyms and Related Terms
butanoic acid; n-butyric acid; ethylacetic acid; propylformic acid
Risks
- Combustible. Flash point = 69C.
- Strongly irritating to skin and tissue. May cause burns.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Miscible with water, ethanol, ether.
| Composition | CH3CH2CH2COOH |
|---|---|
| CAS | 107-92-6 |
| Melting Point | -7.9 C |
| Density | 0.959 g/ml |
| Molecular Weight | mol. wt. = 88.11 |
| Refractive Index | 1.3981 |
| Boiling Point | 163.5C |
Resources and Citations
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 343
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1566; ref. index=1.3981
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.396