Product Description

Polytetrahydrofuran PTMEGCAS:25190-06-1Poly(tetrahydrofuran) molecular weight 2000Polytetramethylene Ether Glycol

Product Detail

Polytetrahydrofuran/Polytetramethylene Ether Glycol /PTMEG CAS:25190-06-1

Other name:Polytetrahydrofuran/Polytetramethylene Ether Glycol /Poly(tetrahydrofuran) molecular weight 2000

Polytetrahydrofuran/Polytetramethylene Ether Glycol /PTMEG Basic information


MF: (C4H8O)nH2O

MW: 305.43

EINECS: 607-637-9


Polytetrahydrofuran/Polytetramethylene Ether Glycol /PTMEG Chemical Properties

Melting point  33-36 °C

Boiling point  >204

density  1 g/mL at 25 °C

vapor pressure  <0.01 mm Hg ( 25 °C)

refractive index  n20/D 1.465

Fp  >230 °F

storage temp.  Store below +30°C.

solubility  <10g/l

form  Fused mass

Specific Gravity 0.961

PH 7 (H2O, 20℃)Aqueous solution

Water Solubility  <10g/L

Surface tension 31.9mN/m at 20°C

Poly(tetrahydrofuran) molecular weight 2000 Specification


Appearance:Colorless transparent liquid,no visible

Molecular weight :1990~2010g/mol

Hysroxyl Number: 55.8~56.4mg/g

Viscosity :1260~1330mPa.s

Molecular weight ratio :2.04~2.06

Color :≤25Hazen

Water :≤100mg/kg

Acid value :≤0.05mg/g

BHT :150~250 mg/kg

Carbonyl ratio :≤0.5





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