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    Home > 2-Butyne-1,4-diol
    2-Butyne-1,4-diol structure

    2-Butyne-1,4-diol

    • CAS No:

      110-65-6

    • Formula:

      C4H6O2

    • Synonyms:

      BOZ;Butynediol;agrisynthb3d;2-Butynediol;1,4-butinodiol;1,4-BUTYNEDIOL;Butynediol,99%;Butyne-1.4-diol;2-Butin-1,4-diol;2-BUTYN-1,4-DIOL

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    Description

    yellow solidChEBI: A butynediol that is but-2-yne substituted by hydroxy groups at positions 1 and 4.White to light-brown solid or brownish-yellow aqueous solution. Solid sinks and mixes with water.

    Basic Attributes

    • 110-65-6

    • C4H6O2

    • 86.09

    • 86.036781

    • 40.5

    • -0.73

    • 203-788-6

    • DLDJFQGPPSQZKI-UHFFFAOYSA-N

    • 2

    • 2

    • 0

    Characteristics

    • slightly brown Crystalline Platelets or Flakes

    • 1.1

    • 54 °C

    • 238 °C(lit.)

    • 306 °F

    • 1.4804

    • H2O: 3740 g/L (20 ºC)

    • Refrigerator

    • <0.1 mm Hg ( 55 °C)

    • Relative vapour density (air = 1): 3.0

    • 1071237

    • Stable. Highly flammable solid. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong acids, strong bases.

    Safety Information

    • III

    • 6.1

    • 29053980

    • UN 2716 6.1/PG 3

    • 2

    • 21-23/25-34-43-48/22

    • 25-26-36/37/39-45-46

    • ES0525000

    • T,C

    • The warehouse is ventilated, low temperature and dry; stored separately from oxidants and acids

    • P260, P261, P264, P270, P271, P272, P280, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P314, P321, P322, P330, P333+P313, P363, P403+P233, P405, P501

    • H301

    • Inflammable in case of open flame, high temperature, oxidant; burning produces irritating smoke

    • Explosive reaction with traces of alkalies, alkali earth hydroxides, halide salts, strong acids, mercury salts plus strong acids.

    • Explosive when mixed with oxidant; explosive when exposed to heat; explosive when reacted with trace alkali metal or alkaline earth metal hydroxide, strong acid, chloride salt, mercury salt + strong acid; moderately explosive

    • Oral-Rat LD50: 104 mg/kg; Oral-Mouse LD50: 105 mg/kg

    • highly toxic

    Product Usage

    Basic brightener in nickel electroplating baths,also an important intermediate for organic synthesis 2-Butyne-1,4-diol is used to produce butanedioland butenediol, in metal plating andpickling baths, and in making the carbamateherbicide Barban (Carbyne).

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