Basic information Description Preparation Uses and Applications Safety Safety Supplier Related
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1,6-Hexanediol

Basic information Description Preparation Uses and Applications Safety Safety Supplier Related

1,6-Hexanediol Basic information

Product Name:
1,6-Hexanediol
Synonyms:
  • HEXANE-1,6-DIOL
  • HEXAMETHYLENE GLYCOL
  • HDO(R)
  • 1,6-DIHYDROXYHEXANE
  • 1,6-HEXANEDIOL
  • 1,6-HDO
  • 1,6-HEXYLENE GLYCOL
  • HDO 1,6-Hexanediol Flakes
CAS:
629-11-8
MF:
C6H14O2
MW:
118.17
EINECS:
211-074-0
Product Categories:
  • Industrial/Fine Chemicals
  • HDO
  • amine series
  • Building Blocks
  • Organic solvents
  • Organic synthesis intermediates.plasticizer
  • alpha,omega-Alkanediols
  • alpha,omega-Bifunctional Alkanes
  • Monofunctional & alpha,omega-Bifunctional Alkanes
  • Optimization Reagents
  • Chemical Synthesis
  • Organic Building Blocks
  • Oxygen Compounds
  • Polyols
  • Protein Structural Analysis
  • X-Ray Crystallography
  • 629-11-8
  • bc0001
Mol File:
629-11-8.mol
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1,6-Hexanediol Chemical Properties

Melting point:
38-42 °C (lit.)
Boiling point:
250 °C (lit.)
Density 
0.96
vapor pressure 
0.53 mm Hg ( 20 °C)
refractive index 
1.457
Flash point:
215 °F
storage temp. 
Store below +30°C.
solubility 
H2O: 0.1 g/mL, clear, colorless
form 
Waxy Flakes
pka
14.87±0.10(Predicted)
color 
White
PH
7.6 (900g/l, H2O, 20℃)
explosive limit
6.6-16%(V)
Water Solubility 
500 g/L
Sensitive 
Hygroscopic
λmax
λ: 260 nm Amax: 0.1
λ: 280 nm Amax: 0.1
Merck 
14,4690
BRN 
1633461
InChIKey
XXMIOPMDWAUFGU-UHFFFAOYSA-N
LogP
0 at 25℃
CAS DataBase Reference
629-11-8(CAS DataBase Reference)
NIST Chemistry Reference
1,6-Hexanediol(629-11-8)
EPA Substance Registry System
1,6-Hexanediol (629-11-8)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
36/37-24/25-23
WGK Germany 
1
RTECS 
MO2100000
Autoignition Temperature
608 °F
TSCA 
Yes
HS Code 
29053980
Hazardous Substances Data
629-11-8(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 3.73 g/kg (Carpenter)

MSDS

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1,6-Hexanediol Usage And Synthesis

Description

1,6-Hexanediol is a waxy hygroscopic solid compound that is white in colour. The compound is a linear diol that contains two primary hydroxyl groups that are located at the terminal. 1,6-Hexanediol’s linear hydrocarbon chain enables the compound to have enhanced hardness and flexibility of polyesters. Moreover, this property is utilized in the extending chains in polyurethanes.

Preparation

1,6-Hexanediol is produced by a propriety process that is based on BASF technology. Industrially, it is prepared by the hydrogenation of adipic acid. Conversely, in the laboratory, 1,6-Hexanediol can be synthesized by the reduction of adipic acid with lithium aluminum hydride.

Uses and Applications

Polyurethanes
1,6-Hexanediol is widely utilized in the manufacture of polyesterols such as sebacates, azelates, and adipates. These compounds are resistant to hydrolysis and have low glass transition temperature as well as high mechanical levels. 1,6-hexanediol is used as an ingredient in the preparation of a wide range of tailor-made products for numerous specialty and standard applications.
In Acrylics
1,6-hexanediol is utilized as an ingredient in the manufacture of the bifunctional hexanediol diacrylate which is a monomer that is normally used in conjunction with other acrylic monomers as a reactive diluent for decorative coatings and printing inks.
In Adhesives
Urethanes and co-terephthalates that are based on 1,6-hexanediol provide faster better tack properties and crystallization. Due to its low glass transition property, 1,6-hexanediol offers high flexibility as well as excellent adhesive properties.
Other Uses
1,6-hexanediol is incorporated into the production of other compounds used in polymeric thickeners, sizing agents, plasticizers for polyvinyl chloride, pesticides, and surfactants dyestuffs as a flexible building block.

Safety

1,6-hexanediol is a no-irritating to the skin. However, it can be irritative to the respiratory tract and mucous membrane. 1,6-hexanediol vapours or dust cause irritation to the eye. Severe eye exposure may cause conjunctivitis, iritis, and diffuse corneal opacity.

Chemical Properties

white waxy flakes

Uses

Solvent, intermediate for high polymers (nylon, polyesters), coupling agent, coil coating.

Uses

1,6-Hexanediol is used in polymer synthesis such as polyester, polyurethane and nylon. It is used as an intermediate to adhesives, acrylics and dyestuffs. Further, it is employed in gasoline refining and pharmaceutical production.

Uses

1,6-Hexanediol can be used for a variety of applications such as:

  • a structure-directing agent for the synthesis of ZSM-5 zeolite
  • a solvent for titanium tetraisopropoxide to form titanium oxide (TiO2) nanocrystals
  • a phase change material in combination with lauric acid for thermal energy storage applications

Definition

ChEBI: A diol that is hexane substituted by hydroxy groups at positions 1 and 6.

Synthesis Reference(s)

Tetrahedron Letters, 34, p. 243, 1993 DOI: 10.1016/S0040-4039(00)60557-9

Hazard

Toxic by ingestion.

Purification Methods

Fractionally crystallise it from its melt or from water. Distil it in vacuo. [Beilstein 1 IV 2556.]

1,6-HexanediolSupplier

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