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acetoin

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Origin: China

Cas No: 513-86-0

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 513-86-0 Formula: C4H8O2 Molecular Weight: 88.10510

    Description

    Acetoin, also known as 3-hydroxybutanone or acetyl methyl carbinol, with the molecular formula is C4H8O2, is a colorless or pale yellow to green yellow liquid with a pleasant, buttery odor. Acetoin is a chiral molecule. The form produced by bacteria is (R)-acetoin.

    Basic Info

    Chemical Name acetoin
    Synonyms

    1-ethoxy-2-methyl-1-methylselanyl-propene;
    Dimethylketol;
    Acetylmethylcarbinol (May exist as crystalline dimer);
    3-hydroxy-2-oxobutane;
    3-Hydroxybutan-2-one;
    2-hydroxybutan-3-one;
    3-Hydroxy-2-butanone;
    dimethylketene O-ethyl Se-methyl selenoacetal;
    acetylmethylcarbino;
    acetyl methyl carbinol;
    Acetoin (May exist as crystalline dimer);

    CAS No. 513-86-0
    Molecular Formula C4H8O2
    Molecular Weight 88.10510
    PSA 37.30000
    LogP -0.04380

    Properties

    Appearance & Physical State pale yellow to green yellow liquid or crystals
    Density 1.013
    Boiling Point 148ºC
    Melting Point 15ºC
    Flash Point 50ºC
    Refractive Index 1.4171
    Water Solubility SOLUBLE
    Stability Stable under normal temperatures and pressures.
    Storage Condition 2-8ºC

    Safety Info

    RTECS EL8790000
    Hazard Class 3
    Safety Statements S26-S36/37
    HS Code 2914400090
    WGK Germany 1
    Packing Group III
    RIDADR UN 2621
    Risk Statements R10; R36/38
    Hazard Codes Xi
    Hazard Declaration H226; H315; H319
    Symbol GHS02, GHS07
    Caution Statement P305 + P351 + P338
    Signal Word Warning

    Synthesis Route

    pyridine+Acetic anhydride4-Ethylpyridine+acetamide
    citric acidoxaloacetic acid+(S)-lactic acid
    2-Chloro-1-buteneacetoin+3-Chloro-2-butanone

    Precursor

    butane-2,3-dione
    Ethanol
    D-glucitol
    sodium pyruvate

    Downstream Product

    1-quinolin-4-ylethanone
    1-(2-acetylquinolin-4-yl)ethanone
    4,5-Dimethyl-1,3-dioxol-2-one
    2,5,6-trimethyl-1H-benzimidazole

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