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2-Butyne-1,4-diol

CAS No.110-65-6
Chemical Name:2-Butyne-1,4-diol
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
CBNumber:CB6852816
Molecular Formula:C4H6O2
Formula Weight:86.09
MOL File:110-65-6.mol
2-Butyne-1,4-diol Property
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
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)

2-Butyne-1,4-diol Chemical Properties,Usage,Production

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
Propargyl alcohol Formaldehyde Paraformaldehyde Calcium carbide Acetylene
Preparation Products
3-Bromofuran 5-Oxa-2-octyne-1,7-diol ETHYL 3-FUROATE Propargyl alcohol BARBAN 1,4-Butanediol Erythritol 1,4-Dihydroxy-2-butanone BE-strong efficient nickel plating brightener 3-FURANMETHANOL 1,2,4-Butanetriol 1,4-Bis(2-hydroxyethoxy)-2-butyne 2-Butene-1,4-diol
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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 But-2-yne-1,4-diol Butynediol butynediol-1,4(french) Dihydroxydimethylacetylene Acetylenes Acetylenic Alcohols & Their Derivatives Organic Building Blocks Internal Building Blocks Alkynes 110-65-6 1,4-DIHYDROXY-2-BUTYNE 1,4-BUTYNEDIOL 1,2-DIHYDROXYDIMETHYLACETYLENE 2-BUTYNE-1,4-DIOL Butynediol,99% 1,4-butynedilol(liquid) 1,4-butynediol(solid) 2-BUTYNE-1,4-DIOL, CRYSTALLIZED 2-BUTYNE-1,4-DIOL 98% 1,4-ButynediolLiquid57%Solid98.5% 2-Butyne-1,4-diol, 98+% 1,4-BUTYNE GLYCOL BOZ 2-Butyne-1,4-diol, pract., 95% HOCH2CCCH2OH 2-BUTYN-1,4-DIOL CH2OHCCCH2OH Pharmaceutical Intermediates 110656 Acetylenes Acetylenic Alcohols & Their Derivatives butyne-2, 1,4-diol but-2-yne-1,4-diol 2-butyne-1,4-diol GL 2 Double Concentrate Alkynes Internal Organic Building Blocks HOCH2C8801CCH2OH Butyne-1.4-diol 2-Butyne-1,4-diol,99% 2-Butyne-1,4-diol,95%,pract. 2-Butyne-1,4-diol, synthesis grade 2-Butyn-1,4-diol（delete） Dihydroxydime thylac 2-Butyne-1,4-diol, 99% 250GR Building Blocks Chemical Synthesis Organic Building Blocks 1,4-Dihydroxy-2-butyne 1,2-Dihydroxydimethylacetylene
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