Acetoin
Content analysis As a flavor ingredient- Product Name
- Acetoin
- CAS No.
- 513-86-0
- Chemical Name
- Acetoin
- Synonyms
- AMC;3-HYDROXY-2-BUTANONE;3-HYDROXYBUTAN-2-ONE;ACETYL METHYL CARBINOL;Acetion;(S)-Acetoin;2-Hydroxy-3-butanone;Natural Acetoin;3-hydroxy-2-oxobutane;2-Butanone,3-hydroxy-
- CBNumber
- CB2492258
- Molecular Formula
- C4H8O2
- Formula Weight
- 88.11
- MOL File
- 513-86-0.mol
Acetoin Property
- Melting point:
- 15 °C (monomer)
- Boiling point:
- 148 °C(lit.)
- Density
- 1.013 g/mL at 25 °C(lit.)
- vapor pressure
- 86hPa at 20℃
- refractive index
- n20/D 1.417(lit.)
- FEMA
- 2008 | ACETOIN
- Flash point:
- 123 °F
- storage temp.
- 2-8°C
- solubility
- H2O: 0.1 g/mL, clear
- form
- Liquid (Monomer) or Powder or Crystals (Dimer)
- pka
- 13.21±0.20(Predicted)
- color
- Pale yellow to green-yellow or white to yellow
- Odor
- buttery odor
- Odor Type
- buttery
- Water Solubility
- SOLUBLE
- JECFA Number
- 405
- Merck
- 14,64
- BRN
- 385636
- Stability:
- Hygroscopic
- InChIKey
- ROWKJAVDOGWPAT-UHFFFAOYSA-N
- LogP
- 0.1 at 25℃
- CAS DataBase Reference
- 513-86-0(CAS DataBase Reference)
- NIST Chemistry Reference
- 2-Butanone, 3-hydroxy-(513-86-0)
- EPA Substance Registry System
- 2-Butanone, 3-hydroxy- (513-86-0)
Safety
- Hazard Codes
- Xi,F
- Risk Statements
- 10-36/38-38-11
- Safety Statements
- 26-36-36/37
- RIDADR
- UN 2621 3/PG 3
- WGK Germany
- 1
- RTECS
- EL8790000
- TSCA
- Yes
- HazardClass
- 3
- PackingGroup
- III
- HS Code
- 29144090
- Hazardous Substances Data
- 513-86-0(Hazardous Substances Data)
- Toxicity
- skn-rbt 500 mg/24H MOD CNREA8 33,3069,73
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H226Flammable liquid and vapour
H318Causes serious eye damage
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233Keep container tightly closed.
P240Ground/bond container and receiving equipment.
P241Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- W200832
- Product name
- Acetoin
- Purity
- natural, ≥95%, FG
- Packaging
- 100g
- Price
- $85.5
- Updated
- 2024/03/01
- Product number
- W200832
- Product name
- Acetoin
- Purity
- natural, ≥95%, FG
- Packaging
- 1kg
- Price
- $167
- Updated
- 2024/03/01
- Product number
- W200832
- Product name
- Acetoin
- Purity
- natural, ≥95%, FG
- Packaging
- 5kg
- Price
- $640
- Updated
- 2024/03/01
- Product number
- W200808
- Product name
- Acetoin
- Purity
- primarily dimer, ≥95%, FG
- Packaging
- 1kg
- Price
- $145
- Updated
- 2024/03/01
- Product number
- W200808
- Product name
- Acetoin
- Purity
- primarily dimer, ≥95%, FG
- Packaging
- 5kg
- Price
- $462
- Updated
- 2024/03/01
Acetoin Chemical Properties,Usage,Production
Content analysis
It was determined by gas chromatography (GT-10). Use thermal conductivity detector. Use a column of 1.5 m (length), 6.35 mm (inner diameter). The column contains 20% polyethylene glycol 20M (Carbowax 20M) which is loaded on the 60/80 mesh diatomaceous earth carrier. Alternatively we can use other components that can separate diacetyl, water and methylacetyl alcohol. The following conditions were used: the sample was 2 μg; the injection temperature was about 195 ° C; the column temperature was about 130 ° C and the detector was about 230 ° C; the flow rate of the carrier gas was about 35 ml per minute. The average residence time: 2 min 15S for diacetyl, 3 min for water, and 12 mins for methyl acetyl alcohol. The peak area of the resulting methylacetyl alcohol shall not be less than 96.0% of the total area of all peaks.
As a flavor ingredient
Acetoin is a yellowish liquid with a bland, woody, yogurt odor and a fatty creamy “tub” butter taste. It is useful as a flavor ingredient in butter, milk, yogurt or strawberry flavors.
Identification:
CoE: Approved. Bev.: 5 ppm; Food: 50 ppm
FDA: 21 CFR 182.60, 184.1848, 582.60
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (1998).
Reported uses (ppm): (FEMA, 1994)
Chemical Properties
clear yellow solution
Chemical Properties
Acetoin is a yellowish liquid with a bland, woody, yogurt odor and a fatty creamy “tub” butter taste. It is useful as a flavor ingredient in butter, milk, yogurt or strawberry flavors.
Occurrence
Reported found in fresh apple, butter, cheddar cheese, coffee, cocoa, honey, wheat bread and wine
Uses
3-Hydroxy-2-butanone is a chemical used in food flavoring and fragrances. It acts as an intermediate of butanediol cycle in microorganisms. It is used as an aroma carrier in the preparation of flavors and essences.
Uses
Used as pharmaceutical intermediates, food spices; mainly for the preparation of cream, dairy, yogurt and strawberry spices.
Uses
Acetoin is a produced via fermentation of wines, dairy products and sugars by fermentive bacteria. Acetoin is used in food flavoring and fragrances and is also found in some fruits and vegetables.
Definition
ChEBI: A methyl ketone that is butan-2-one substituted by a hydroxy group at position 3.
Aroma threshold values
Aroma characteristics at 1.0%: strong buttery and creamy
Taste threshold values
Taste characteristics at 10 ppm: sweet, creamy, dairy, and butter-like.
General Description
A light-yellow colored liquid. Slightly denser than water. Hence sinks in water. Boiling point 280°F. Flash point between 100 and 141°F. Used to make other chemicals.
Air & Water Reactions
Flammable. Slightly soluble in water.
Reactivity Profile
3-Hydroxy-2-butanone is a ketone and alcohol. Ketones are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.
Health Hazard
Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control may cause pollution.
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Safety Profile
Experimental reproductive effects. LWdly toxic by subcutaneous route. A moderate skin irritant. Flammable liquid. When heated to decomposition it emits acrid smoke and fumes. See also KETONES
Synthesis
From diacetyl by partial reduction with zinc and acid. It is also a product of fermentation. Acetoin is an optically active compound. The d(–)acetyl methyl carbinol is obtained from fermentation and, in mixture with other products, from the catalytic oxidation of 2,3-butanediol. The 1(+)acetyl methyl carbinol is also obtained from fermentation. The optically pure form has not been isolated; the optically inactive form is prepared synthetically
Purification Methods
Wash acetoin with EtOH until colourless, then with diethyl ether or acetone to remove biacetyl. Dry it in air by suction and dry further in a vacuum desiccator. [Beilstein 1 IV 3991.]
Acetoin Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Acetoin manufacturers
- Product
- Acetoin 513-86-0
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2023-04-10
- Product
- Acetoin 513-86-0
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-06-29
- Product
- 3-Hydroxy-2-Butanone 513-86-0
- Price
- US $5.00-2.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000kg
- Release date
- 2023-05-17