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Isovaleraldehyde

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Isovaleraldehyde Basic information

Product Name:
Isovaleraldehyde
Synonyms:
  • ISOVALERALDEHYDE 97+%
  • ISOVALERALDEHYDE 95+% NATURAL
  • Isovaleraldehyde,98%
  • methylbutanal,3-methylbutanal
  • ISOVALERALDEHYDE(SG)
  • Isoamylaldehyd
  • iso-C4H9CHO
  • Isovaleral
CAS:
590-86-3
MF:
C5H10O
MW:
86.13
EINECS:
209-691-5
Mol File:
590-86-3.mol
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Isovaleraldehyde Chemical Properties

Melting point:
-60 °C
Boiling point:
90 °C (lit.)
Density 
0.803 g/mL at 25 °C (lit.)
vapor density 
2.96 (vs air)
vapor pressure 
30 mm Hg ( 20 °C)
FEMA 
2692 | 3-METHYLBUTYRALDEHYDE
refractive index 
n20/D 1.388(lit.)
Flash point:
29 °F
storage temp. 
2-8°C
solubility 
alcohol: miscible
form 
Liquid
color 
Clear colorless to light yellow
explosive limit
1.7-6.8%(V)
Odor Threshold
0.0001ppm
Water Solubility 
15 g/L (20 ºC)
JECFA Number
258
Merck 
14,5229
BRN 
773692
Stability:
Stable, but light and air sensitive. Highly flammable. Readily forms explosive mixtures with air. Incompatible with strong oxidizing agents, bases, reducing agents, air.
InChIKey
YGHRJJRRZDOVPD-UHFFFAOYSA-N
CAS DataBase Reference
590-86-3(CAS DataBase Reference)
NIST Chemistry Reference
Butanal, 3-methyl-(590-86-3)
EPA Substance Registry System
Isovaleraldehyde (590-86-3)
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Safety Information

Hazard Codes 
F,Xi
Risk Statements 
11-36-36/37/38-43-36/37
Safety Statements 
7-16-26-36-37/39-37-24-9
RIDADR 
UN 1989 3/PG 2
WGK Germany 
1
RTECS 
ES3450000
13
Autoignition Temperature
464 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29121900
Hazardous Substances Data
590-86-3(Hazardous Substances Data)

MSDS

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Isovaleraldehyde Usage And Synthesis

Description

May be prepared by oxidation of isoamyl alcohol.

Chemical Properties

3-Methylbutyraldehyde has a choking, powerful, acrid, pungent, apple-like odor. This compound is also reported to have a fruity, fatty, animal, almond odor.

Chemical Properties

colourless liquid with a strong and (for some

Chemical Properties

Isovaleraldehyde is a colorless, low-solubility liquid with a pungent odor similar to that of apples.

Occurrence

Reported found in over 180 natural sources including apple, banana, berries, grapes, peach, papaya, peach, kohlrabi, carrot, celery, leek, peas, potato, bell pepper, tomato, ginger, peppermint and spearmint oil, other Mentha oils, vinegar, breads, many cheeses, butter, milk, egg, fatty and lean fish, meats, hop oil, beer, cognac, sherry, rum, grape wines, cocoa, coffee, tea, filberts, peanuts, pecans, peanut butter, barley, oats, soybean, honey, avocado, mace, plum, beans, mushrooms, starfruit, mango, beetroot, cardamom, coriander seed, rice, lovage leaf, pumpkin, buckwheat, laurel, malt, clary sage, wort, elderberry, clam, scallops, crab, crayfish, okra, sapodilla, truffles, kiwifruit and other sources.

Uses

Isovaleraldehyde is manufactured by oxidizing isoamyl alcohol with sodium perchromate and sulfuric acid. Isovaleraldehyde is present in essential oils of orange, peppermint, lemon, and other plants and fruits. Its main uses are as an artificial flavor additive and in perfumes.

Uses

Isovaleraldehyde acts as a reagent in the preparation of active pharmaceutical ingredient (API) products. It serves as an internal standard for the determination of wine aroma carbonyl compounds with 5-8 carbon atoms. Further, it is utilized as a standard to evaluate the quality of olive oils by headspace solid-phase microextraction-gas chromatography using flame ionization detection and multivariate analysis. In addition to this, it is employed to enhance the taste and odor of the food.

Uses

In artificial flavors and perfumes.

Definition

ChEBI: A methylbutanal that is butanal substituted by a methyl group at position 3. It occurs as a volatile constituent in olives.

Preparation

By oxidation of isoamyl alcohol.

General Description

Colorless liquid with a weak suffocating odor. Floats on water. Produces an irritating vapor.

Air & Water Reactions

Highly flammable.

Reactivity Profile

Isovaleraldehyde is an aldehyde. Aldehydes are frequently involved in self-condensation or polymerization reactions. These reactions are exothermic; they are often catalyzed by acid. Aldehydes are readily oxidized to give carboxylic acids. Flammable and/or toxic gases are generated by the combination of aldehydes with azo, diazo compounds, dithiocarbamates, nitrides, and strong reducing agents. Aldehydes can react with air to give first peroxo acids, and ultimately carboxylic acids. These autoxidation reactions are activated by light, catalyzed by salts of transition metals, and are autocatalytic (catalyzed by the products of the reaction). The addition of stabilizers (antioxidants) to shipments of aldehydes retards autoxidation.

Health Hazard

Inhalation causes chest discomfort, nausea, vomiting, and headache. Contact of liquid with eyes or skin causes irritation. Ingestion causes irritation of mouth and stomach.

IsovaleraldehydeSupplier

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21-61259100-
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sh@meryer.com