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2,4,7,9-Tetramethyl-5-decyne-4,7-diol

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2,4,7,9-Tetramethyl-5-decyne-4,7-diol Basic information

Product Name:
2,4,7,9-Tetramethyl-5-decyne-4,7-diol
Synonyms:
  • 5-DECYNE-4,7-DIOL-2,4,7,9-TETRAMETHYL
  • 4,7-DIHYDROXY-2,4,7,9-TETRAMETHYL-5-DECYNE
  • TIMTEC-BB SBB008941
  • TETRAMETHYL DECYNEDIOL
  • SURFYNOL TG
  • 1,4-diisobutyl-1,4-dimethylbutynediol
  • 2,4,7,9-TETRAMETHYL-5-DECYN-4,7-DIOL
  • 2,4,7,9-TETRAMETHYL-5-DECYNE-4,7-DIOL
CAS:
126-86-3
MF:
C14H26O2
MW:
226.35
EINECS:
204-809-1
Product Categories:
  • Aliphatics
  • Miscellaneous Reagents
  • Acetylenes
  • Acetylenic Alcohols & Their Derivatives
  • Nonionic Surfactants
  • NonionicSelf-Assembly Materials
  • Polymer Additives
  • Surfactants
  • Surfactant
Mol File:
126-86-3.mol
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2,4,7,9-Tetramethyl-5-decyne-4,7-diol Chemical Properties

Melting point:
42-44 °C(lit.)
Boiling point:
255 °C(lit.)
Density 
0,89 g/cm3
vapor pressure 
0.66Pa at 20℃
refractive index 
1.4560 (estimate)
Flash point:
>230 °F
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
12.92±0.29(Predicted)
form 
Solid
color 
White to Off-White
Water Solubility 
1.7g/L at 20℃
BRN 
1724053
InChIKey
DCAZNTOSTOZBEI-UHFFFAOYSA-N
LogP
2.8 at 22℃
CAS DataBase Reference
126-86-3(CAS DataBase Reference)
EPA Substance Registry System
2,4,7,9-Tetramethyl-5-decyne-4,7-diol (126-86-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36-52/53
Safety Statements 
26-37/39-61-39-37/29
RIDADR 
3077
WGK Germany 
3
PackingGroup 
III
HS Code 
29053990
Hazardous Substances Data
126-86-3(Hazardous Substances Data)

MSDS

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2,4,7,9-Tetramethyl-5-decyne-4,7-diol Usage And Synthesis

Chemical Properties

2,4,7,9-Tetramethyl-5-decyne-4,7-diol is white to pale yellow low melting mass

Uses

2,4,7,9-Tetramethyl-5-decyne-4,7-diol is an acetylene glycol derivative used in water-based coatings and has both antifoaming and surfactant properties. It is highly toxic and have been found in acrylic adhesives used for food packaging multilayers manufacturing.

Uses

2, 4, 7, 9-tetramethyldec-5-yne-4,7-diol may be used to dope poly[9,9-bis(6′-(diethanolamino)hexyl)-fluorene],that acts as an interfacial layer in a heterojunction solar cell.

General Description

2, 4, 7, 9-tetramethyldec-5-yne-4,7-diol is a well-known acrylic adhesive. It has amphiphilic characteristics. It is used a dopant in a heterojunction solar cell, it assists in the formation of a homogeneous interfacial layer over the photoactive layer. Doping results in decreasing the absorption of photons in the underneath photoactive layer, thereby in enhancing the photocurrent density.

Hazard

In vivo experiments have shown that 2,4,7,9-Tetramethyl-5-decyne-4,7-diol induced lethargy in a lethal dose inhalation study in rats; tremors and convulsions were induced in a feeding study in dogs. It is an irritant to human skin and eyes, as well as a neurotoxic hazard to the rest of the central nervous system.

Flammability and Explosibility

Non flammable

2,4,7,9-Tetramethyl-5-decyne-4,7-diolSupplier

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