Basic Information | Post buying leads | Suppliers | Cas Database |
Conditions | Yield |
---|---|
With sodium bromate; hydrogen bromide In tetrachloromethane at 35 - 37℃; for 2h; | 96% |
With Hoveyda-Grubbs catalyst second generation; potassium hydroxide; tricyclohexylphosphine In toluene at 110℃; for 12h; Reagent/catalyst; Schlenk technique; Inert atmosphere; | 90% |
With pyridinium hydrobromide perbromide In water at 20℃; for 17h; | 87% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 2.5h; | 85.5% |
Conditions | Yield |
---|---|
With sodium bromate; sodium hydrogensulfite for 2h; Ambient temperature; | A 5% B 76% |
With iodosylbenzene; potassium bromide In water for 12h; sonication; | A 86 % Chromat. B n/a |
Conditions | Yield |
---|---|
With pyridine; tetrachloromethane at 45℃; |
Conditions | Yield |
---|---|
With ozone at 0℃; Reduzieren des vom entstandenen Wasserstoffperoxyd befreiten Reaktionsgemisches mit Zinkstaub in wenig Wasser; |
i-Amyl alcohol
A
3-methylbutyric acid
B
isopentyl 3-methylbutanoate
C
isovaleraldehyde
Conditions | Yield |
---|---|
bei monatelangem Stehenlassen auch in Gegenwart von Katalysatoren; Gleichgewicht; pentyl alcohol of fermentation; |
3-methylbutyric acid
i-Amyl alcohol
isovaleraldehyde
isopentyl 3-methylbutanoate
Conditions | Yield |
---|---|
Gleichgewicht im System bei monatelangem Stehenlassen; |
Conditions | Yield |
---|---|
With copper uranium; hydrogen at 240 - 280℃; | |
With Rh(PhBP3)(H)2(NCMe) In benzene-d6 at 20℃; for 0.0166667h; Tishchenko reaction; Inert atmosphere; |
Conditions | Yield |
---|---|
at 240℃; | |
at 270℃; in Gegenwart von Wasserstoff erfolgt starke Zunahme der Esterbildung; |
Detail of ISOVALERIC ACID, ISOPENTYL ESTER (659-70-1).
Molecular Structure:
Name:ISOVALERIC ACID, ISOPENTYL ESTER
CAS Number:659-70-1
Molecular Formula:C10H20O2
Molecular Weight:172.30
EINECS:211-536-1
Density:0.854 g/mL at 25°C(lit.)
Boiling Point:192-193°C
Flash Point:152°F
Appearance:colorless to yellowish transparent liquid
FEMA:2085
refractive index:n20/D 1.412(lit.)
Merck:5121
NIST Chemistry Reference:659-70-1(NIST)
EPA Substance Registry System:659-70-1(EPA Substance)
Synonyms of ISOVALERIC ACID, ISOPENTYL ESTER (659-70-1):(3-methyl-1-butyl)3-methylbutanoate;3-methyl-butanoicaci3-methylbutylester;3-methyl-butanoicacid3-methyl-butylester;3-methylbutanoicacid3-methylbutylester;Apple oil;Appleoil;Butanoicacid,3-methyl-,3-methylbutylester;Isoamyl valerianate
ISOVALERIC ACID, ISOPENTYL ESTER (659-70-1) can be used for the preparation of food, daily flavor.And it is also be used as modifiers for the hawthorn flowers, apple flowers and other essences and used as the tobacco flavor.
ISOVALERIC ACID, ISOPENTYL ESTER (659-70-1) has the production.
Use the separation of fusel oil obtained from isoamyl alcohol to isoamyl alcohol to refined through two oxidation derived from isovaleric formed in the presence of sulfuric acid esterification. By iso-amyl alcohol and isoamyl aldehyde vapor (240 ~ 280 ℃) in the presence of hydrogen through the copper-uranium catalysts derived column.
1. | skn-rbt 500 mg/24H MOD | FCTXAV Food and Cosmetics Toxicology. 16 (1978),789. | ||
2. | orl-rbt LD50:13,956 mg/kg | IMSUAI Industrial Medicine and Surgery. 41 (1972),31. |