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5-valerolactone

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Origin: China

Cas No: 542-28-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description
  • Quick Details

    CAS No.:
    542-28-9
    Other Names:
    Tetrahydro-2H-2-pyranone
    MF:
    C5H8O2
    EINECS No.:
    542-28-9
    Place of Origin:
    China
    Type:
    Agrochemical Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates
    Purity:
    ≥98%
    Brand Name:
    FinerChem
    Model Number:
    542-28-9
    Application:
    Flavors and fragrances, medicine
    Appearance:
    Transparent colorless to light yellow liquid
    Product name:
    delta-Valerolactone
    CAS:
    542-28-9
    Assay:
    98.0 %min
    Molecular Weight:
    100.12

    Packaging&Delivery

    Packaging Details
    1kg/bottle, 25kg/drum, or as your demand
    Port
    SHANGHAI, BEIJING, QINGDAO, SHENZHEN, TIANJIN
    Lead Time:
    Quantity(Kilograms)1 - 500>500
    Est. Time(days)4To be negotiated

    Products Description

    Product Name
    delta-Valerolactone
    CAS No.
    542-28-9
    Appearance
    Transparent colorless to light yellow liquid
    Assay
    ≥98%
    Capacity
    200mt/year
    Min.packing
    1gram
    Application
    Flavors and fragrances, medicine
    Standard
    Export 
    Brand
    Finerchem 

    More information

    Synonyms: Tetrahydro-2H-2-pyranone 
    Molecular Formula: C5H8O2 
    Molecular Weight: 100.12 
    CAS Registry Number: 542-28-9 
    EINECS: 208-807-1 
    Density: 1.079 
    Melting point: -13 ºC 
    Boiling point: 230-60 ºC 
    Refractive index: 1.456-1.459 
    Flash point: 112 ºC 
    Water solubility: miscible
  • Property

    CAS No.: 542-28-9 Formula: C5H8O2 Molecular Weight: 100.11600

    Description

    δ-Valerolactone is a lactone used as a chemical intermediate in processes such as the production of polyesters.

    Basic Info

    Chemical Name 5-valerolactone
    Synonyms

    δ-Valerolactone;
    delta-Valerolactone;
    2H-Pyran-2-one, tetrahydro-;

    CAS No. 542-28-9
    Molecular Formula C5H8O2
    Molecular Weight 100.11600
    PSA 26.30000
    LogP 0.71350

    Properties

    Appearance & Physical State clear colorless to pale yellow liquid
    Density 1.079
    Boiling Point 230-60ºC
    Melting Point -13ºC
    Flash Point 112ºC
    Refractive Index 1.456-1.459
    Water Solubility miscible
    Storage Condition 2-8ºC
    Vapor Density 3.45 (vs air)

    Safety Info

    RTECS LU3580000
    Safety Statements S26-S39
    HS Code 2932999099
    WGK Germany 3
    Risk Statements R41
    Hazard Codes Xi
    Symbol GHS05
    Signal Word Danger
    Hazard Declaration H318
    Caution Statement P280; P305 + P351 + P338

    Synthesis Route

    cyclopentanone5-valerolactone+5-hydroxypentanoic acid
    Cyclohexanone5-valerolactone+hexano-6-lactone
    Cyclohexanone5-valerolactone+hexano-6-lactone

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary DB-1 - 1010. temperature ramp
    Capillary DB-5 - 954. custom temperature program
    Capillary DB-Wax - 1780. temperature ramp
    Capillary DB-Wax - 1784. temperature ramp
    Capillary DB-Wax - 1785. temperature ramp

    Precursor

    1,5-Pentanediol
    cyclopentanone
    glutaric acid
    5-hydroxypentanoic acid

    Downstream Product

    2,3-dihydropyran-6-one
    5-methylhex-4-en-1-ol
    methyl 5-iodopentanoate
    5-indol-1-ylpentanoic acid

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