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CAS No.: | 106-31-0 |
---|---|
Name: | Butanoic acid,1,1'-anhydride |
Article Data: | 80 |
Molecular Structure: | |
Formula: | C8H14O3 |
Molecular Weight: | 158.197 |
Synonyms: | Butanoicacid, anhydride (9CI);Butyric anhydride (6CI,8CI);Butanoic anhydride;Butanoyl anhydride;Butyric acid anhydride;Butyryl oxide;n-Butyric acidanhydride;n-Butyric anhydride; |
EINECS: | 203-383-4 |
Density: | 0.981 g/cm3 |
Melting Point: | -73 °C |
Boiling Point: | 198.279 °C at 760 mmHg |
Flash Point: | 87.778 °C |
Solubility: | decomposes in water |
Appearance: | clear liquid |
Hazard Symbols: | C |
Risk Codes: | 14-34 |
Safety: | 26-36/37/39-45 |
Transport Information: | UN 2739 8/PG 3 |
PSA: | 43.37000 |
LogP: | 1.65640 |
Conditions | Yield |
---|---|
With N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride; triethylamine In dichloromethane at 20℃; for 0.5h; | 95% |
With PEG-1000; sulfated zirconia at 40℃; for 3h; neat (no solvent); | 85% |
at 230℃; under 2574.3 Torr; |
4-Ethoxyphenyltellurium oxochloride
butyryl chloride
A
butanoic acid anhydride
B
p-ethoxyphenyltellurium(IV) trichloride
Conditions | Yield |
---|---|
In tetrachloromethane for 1h; Heating; prototype reaction, oth. acylchlorides, oth. arenetellurinyl chloride; | A 89% B 93% |
(dibutyrylhydroxy)triphenylarsorane
A
butanoic acid anhydride
B
triphenyl-arsane
C
triphenylarsineoxide
Conditions | Yield |
---|---|
Product distribution; Heating; | A 76% B 38% C 43% |
Conditions | Yield |
---|---|
With phosphorus trichloride at 40 - 50℃; 4-5h; | A n/a B 67% |
With phosphorus trichloride at 40 - 50℃; 4-5h; | A 10.54% B 49.3% |
Conditions | Yield |
---|---|
With oxygen; cobalt(II) chloride In acetonitrile at 25℃; for 15h; | 43% |
butyraldehyde
acrylic acid methyl ester
A
butanoic acid anhydride
D
butyric acid
Conditions | Yield |
---|---|
With acetic anhydride; cobalt(II) In acetonitrile at 25℃; for 24h; | A n/a B 18% C 20% D n/a |
Conditions | Yield |
---|---|
With nickel Hydrogenation; |
peroxybutyric acid
butyraldehyde
ethyl acetate
A
butanoic acid anhydride
B
butyric acid
Conditions | Yield |
---|---|
at 20 - 50℃; Rate constant; auch nach Zusatz Kupfer(II)-, Mangan(II)-, Eisen(II)-, Kobalt(II)- und Nickel(II)-butyrat; |
Conditions | Yield |
---|---|
With oxygen; copper diacetate; cobalt(II) acetate at 50℃; under 1471.02 Torr; | |
With oxygen; cobalt(II) carbonate at 50℃; under 1471.02 Torr; | |
With oxygen; manganese(II) acetate at 50℃; under 1471.02 Torr; |
Conditions | Yield |
---|---|
at 120 - 180℃; |
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Reported in EPA TSCA Inventory.
DOT Classification: 8; Label: Corrosive
The Butyric anhydride, with the CAS registry number 106-31-0, is also known as Butanoic anhydride. It belongs to the product categories of Pharmaceutical Intermediates; Organics. Its EINECS registry number is 203-383-4. This chemical's molecular formula is C8H14O3 and molecular weight is 158.19. What's more, its IUPAC name is called Butanoyl butanoate. It should be stored in a cool, dry and well-ventilated place. It is a colorless liquid that smells strongly of butyric acid, formed by its reaction with the moisture in the air. It is used for the production of plastics, plasticizers, surfactants and textile auxiliaries. It is also used in food additives, flavorings, varnishes, perfumes, pharmaceuticals and disinfectants. It is used in the synthesis of butyrate ester widely used as perfumes and flavours.
Physical properties about Butyric anhydride are: (1)ACD/LogP: 1.879; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.88; (4)ACD/LogD (pH 7.4): 1.88; (5)ACD/BCF (pH 5.5): 15.78; (6)ACD/BCF (pH 7.4): 15.78; (7)ACD/KOC (pH 5.5): 250.72; (8)ACD/KOC (pH 7.4): 250.72; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 43.37 Å2; (13)Index of Refraction: 1.421; (14)Molar Refractivity: 40.916 cm3; (15)Molar Volume: 161.191 cm3; (16)Polarizability: 16.22×10-24cm3; (17)Surface Tension: 30.961 dyne/cm; (18)Density: 0.981 g/cm3; (19)Flash Point: 87.778 °C; (20)Enthalpy of Vaporization: 43.448 kJ/mol; (21)Boiling Point: 198.279 °C at 760 mmHg; (22)Vapour Pressure: 0.363 mmHg at 25 °C.
Uses of Butyric anhydride: it is used to produce other chemicals. For example, it can react with 2,5-dimethyl-furan to get 1-(2,5-dimethyl-[3]furyl)-butan-1-one. This reaction needs reagent BF3·OEt2. The reaction time is 45 min. The yield is 87 %.
When you are dealing with this chemical, you should be very careful. This chemical may destroy living tissue on contact and it reacts violently with water. It may cause burns. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice. And in case of accident or if you feel unwell seek medical advice immediately.
You can still convert the following datas into molecular structure:
(1) SMILES: O=C(OC(=O)CCC)CCC
(2) InChI: InChI=1S/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H3
(3) InChIKey: YHASWHZGWUONAO-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LC | inhalation | > 50mg/m3 (50mg/m3) | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 4, Pg. 29, 1962. | |
mouse | LDLo | oral | 1gm/kg (1000mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) KIDNEY, URETER, AND BLADDER: OTHER CHANGES LIVER: OTHER CHANGES | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 4, Pg. 29, 1962. |
rat | LC | inhalation | > 50mg/m3 (50mg/m3) | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 4, Pg. 29, 1962. | |
rat | LD50 | oral | 8790mg/kg (8790mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 321, 1986. |