TIANFU-CHEM 2-Butyne-1,4-diol 110-65-6 CAS NO.110-65-6

product name: 2-butyne-1,4-diol
synonyms: 1,4-butinodiol;1,4-dimethoxyacetylene;2-butin-1,4-diol;2-butin-1,4-diol(czechoslovakia);2-butine-1,4-diol;2-butynediol;agrisynthb3d;bis(hydroxymethyl)acetylene
cas: 110-65-6
mf: c4h6o2
mw: 86.09
einecs: 203-788-6
product categories: pharmaceutical intermediates;acetylenes;acetylenic alcohols & their derivatives;alkynes;internal;organic building blocks;building blocks;chemical synthesis;organic building blocks
mol file: 110-65-6.mol
2-butyne-1,4-diol structure
2-butyne-1,4-diol chemical properties
mp 54 °c
bp 238 °c(lit.)
density 1.2
vapor pressure <0.1 mm hg ( 55 °c)
refractive index 1.4804
fp 306 °f
storage temp. refrigerator
color slightly brown
water solubility 3740 g/l (20 ºc)
brn 1071237
stability: stable. highly flammable solid. incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong acids, strong bases.
cas database reference 110-65-6(cas database reference)
nist chemistry reference 2-butyne-1,4-diol(110-65-6)
epa substance registry system 2-butyne-1,4-diol(110-65-6)
safety information
hazard codes t,c
risk statements 21-23/25-34-43-48/22
safety statements 25-26-36/37/39-45-46
ridadr un 2716 6.1/pg 3
wgk germany 2
rtecs es0525000
f 23-10
hazardclass 6.1
packinggroup iii
hs code 29053980
hazardous substances data 110-65-6(hazardous substances data)
msds information
provider language
boz english
sigmaaldrich english
acros english
alfa english
2-butyne-1,4-diol usage and synthesis
chemical properties yellow solid
usage basic brightener in nickel electroplating baths,also an important intermediate for organic synthesis
general description white to light-brown solid or brownish-yellow aqueous solution. solid sinks and mixes with water.
air & water reactions water soluble.
reactivity profile pure 2-butyne-1,4-diol is non-explosvie. small amounts of certain impurities-alkali hydroxides, alkaline earth hydroxides, halides-may cause explosive decomposition upon distillation. 2-butyne-1,4-diol should not be treated with basic catalysts in the absence of a solvent at room temperature, and its stability is less with elevated temperatures. in strong acids, contamination with mercury salts can also result in violent decomposition [nfpa 491m 1991].
health hazard may cause dermatitis.
2-butyne-1,4-diol preparation products and raw materials
raw materials formaldehyde-->paraformaldehyde-->calcium carbide-->acetylene-->propargyl alcohol
preparation products 3-furanmethanol-->1,4-butanediol-->ethyl 3-furoate-->propargyl alcohol-->3-bromofuran-->2-butene-1,4-diol-->1,2,4-butanetriol-->erythritol-->1,4-dihydroxy-2-butanone-->barban-->be-strong efficient nickel plating brightener-->1,4-bis(2-hydroxyethoxy)-2-butyne-->5-oxa-2-octyne-1,7-diol