| Record Information |
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| Version | 2.0 |
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| Created at | 2022-09-09 20:01:06 UTC |
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| Updated at | 2022-09-09 20:01:06 UTC |
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| NP-MRD ID | NP0289701 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | acetic anhydride |
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| Description | Acetic anhydride, also known as (CH3CO)2O or acetyl acetate, belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. It is also used as a wood preservative via autoclave impregnation to make a longer lasting timber. Acetic anhydride is an extremely weak basic (essentially neutral) compound (based on its pKa). Acetic anhydride is a sharp and vinegar tasting compound. Outside of the human body,. Its largest application is for the conversion of cellulose to cellulose acetate, which is a component of photographic film and other coated materials. acetic anhydride is found in Vitis vinifera. acetic anhydride was first documented in 2015 (PMID: 25704707). Because of its reactivity toward water, alcohol foam or carbon dioxide are preferred for fire suppression (PMID: 25857991) (PMID: 26139873) (PMID: 26256347). |
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| Structure | InChI=1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3 |
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| Synonyms | | Value | Source |
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| (CH3CO)2O | ChEBI | | (MeCO)2O | ChEBI | | Ac2O | ChEBI | | Acetanhydride | ChEBI | | Acetic acid anhydride | ChEBI | | Acetyl acetate | ChEBI | | Acetyl oxide | ChEBI | | Anhydride acetique | ChEBI | | Essigsaeureanhydrid | ChEBI | | Ethanoic anhydrate | ChEBI | | Ethanoic anhydride | ChEBI | | Acetate anhydride | Generator | | Acetyl acetic acid | Generator | | Ethanoic anhydric acid | Generator | | Acetic acid, anhydride | HMDB | | Acetic oxide | HMDB | | Acetyl anhydride | HMDB | | Acetyl ether | HMDB | | Acetyltrimethyl-silane | HMDB | | Anhydrid kyseliny octove | HMDB | | Anidride acetica | HMDB | | Azijnzuuranhydride | HMDB | | Octowy bezwodnik | HMDB | | Acetic anhydride, 3H-labeled | HMDB |
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| Chemical Formula | C4H6O3 |
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| Average Mass | 102.0886 Da |
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| Monoisotopic Mass | 102.03169 Da |
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| IUPAC Name | acetyl acetate |
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| Traditional Name | acetic anhydride |
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| CAS Registry Number | Not Available |
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| SMILES | CC(=O)OC(C)=O |
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| InChI Identifier | InChI=1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3 |
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| InChI Key | WFDIJRYMOXRFFG-UHFFFAOYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Dicarboxylic acids and derivatives |
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| Direct Parent | Dicarboxylic acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Dicarboxylic acid or derivatives
- Carboxylic acid anhydride
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Bartz J, Goebel JT, Giovanaz MA, Zavareze Eda R, Schirmer MA, Dias AR: Acetylation of barnyardgrass starch with acetic anhydride under iodine catalysis. Food Chem. 2015 Jul 1;178:236-42. doi: 10.1016/j.foodchem.2015.01.095. Epub 2015 Jan 28. [PubMed:25704707 ]
- Bozic M, Vivod V, Kavcic S, Leitgeb M, Kokol V: New findings about the lipase acetylation of nanofibrillated cellulose using acetic anhydride as acyl donor. Carbohydr Polym. 2015 Jul 10;125:340-51. doi: 10.1016/j.carbpol.2015.02.061. Epub 2015 Mar 7. [PubMed:25857991 ]
- Wani IA, Sogi DS, Gill BS: Physico-chemical properties of acetylated starches from Indian black gram (Phaseolus mungo L.) cultivars. J Food Sci Technol. 2015 Jul;52(7):4078-89. doi: 10.1007/s13197-014-1480-x. Epub 2014 Aug 7. [PubMed:26139873 ]
- Chai W, Liu X, Zou J, Zhang X, Li B, Yin T: Pomelo peel modified with acetic anhydride and styrene as new sorbents for removal of oil pollution. Carbohydr Polym. 2015 Nov 5;132:245-51. doi: 10.1016/j.carbpol.2015.06.060. Epub 2015 Jun 25. [PubMed:26256347 ]
- LOTUS database [Link]
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