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Picture of 2,5-Dimethyl-3-hexyne-2,5-diol

2,5-Dimethyl-3-hexyne-2,5-diol

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Origin: China

Cas No: 142-30-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 142-30-3 Formula: C8H14O2 Molecular Weight: 142.19600

    Basic Info

    Chemical Name 2,5-Dimethyl-3-hexyne-2,5-diol
    Synonyms

    2,5-Dihydroxy-2,5-dimethyl-3-hexyne;
    3-Hexyne-2,5-diol, 2,5-dimethyl-;
    2,5-dimethylhex-3-yne-2,5-diol;
    2,5-Dimethylhex-3-ene-2,5-diol;

    CAS No. 142-30-3
    Molecular Formula C8H14O2
    Molecular Weight 142.19600
    PSA 40.46000
    LogP 0.53160

    Properties

    Appearance & Physical State off-white to yellow crystalline powder
    Density 1.023 g/cm3
    Boiling Point 121-123ºC (7 mmHg)
    Melting Point 89ºC
    Flash Point 102ºC
    Refractive Index 1.4545 (20ºC)
    Water Solubility 240 g/L (20 ºC)
    Stability Stable under normal temperatures and pressures.
    Storage Condition Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
    Vapor Pressure 0.0611mmHg at 25°C

    Safety Info

    RTECS MR0176000
    Safety Statements S24/25
    HS Code 29053980
    WGK Germany 3
    Risk Statements R42/43
    Hazard Codes Xn
    Caution Statement P261; P280; P342 + P311
    Hazard Declaration H317; H334
    Symbol GHS08
    Signal Word Danger

    Synthesis Route

    2,5-dibromo-2,5-dimethyl-3-hexyne2-hydroxyisobutyric acid+acetic acid
    Diethyl ether+2-Hydroxy-2-methyl-4-phenyl-3-butynePhenylacetylene+2,5-Dimethyl-3-hexyne-2,5-diol
    acetone+acetylene2-Methyl-3-butyn-2-ol+2,5-Dimethyl-3-hexyne-2,5-diol

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Intraperitoneal LD - Lethal dose Rodent - mouse >500 mg/kg 1.Details of toxic effects not reported other than lethal dose value

    Precursor

    acetone
    isobutanol
    acetylene
    2-Methyl-3-butyn-2-ol

    Downstream Product

    2,5-Dimethyl-2,5-hexanediol
    CIS-2,5-DIMETHYL-3-HEXENE
    2,5-Dimethyl-trans-3-hexene
    2,5-DIMETHYL-2-HEXANOL

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