Poly(tetrahydrofuran)
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Poly(tetrahydrofuran)
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CAS No:
25190-06-1
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Formula:
(C4H8O)nH2O
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Chemical Name:
Poly(tetrahydrofuran)
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Synonyms:
alpha-hydro-omega-hydroxy-poly(oxy-4-butanediyl);b2000;glycols,polytetramethylene;hiprenemc532;polifurit;poly(butyleneoxide);poly(oxy-1,4-butylene)glycol;poly(oxybutylene)glycol
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CAS No:
Description
mp 11 - 38 °C 100 - 4,400 mPa.s @ 40 °C
ChEBI: A macromolecule composed of repeating oxybutylene units.
Characteristics
29.5 Ų
1.67
Liquid
1 g/mL at 25 °C
33-36 °C
>204
>230 °F
n20/D1.465
<10g/L
Store below +30°C.
<0.01 mm Hg ( 25 °C)
LD50 orally in Rabbit: > 5000 mg/kg
7 (H2O, 20℃)Aqueous solution
Store below +30°C.
Safety Information
NONH for all modes of transport
1
Xi
26-36
MD0916000
Xi
P261-P305 + P351 + P338
36/37/38
Poly(tetrahydrofuran) Use and Manufacturing
PTMEG is one of the important raw materials for the production of spandex and polyurethane elastomers. It is used as the soft segment in urethane and can provide good hydrolysis resistance, low temperature resistance and dynamic properties of polyurethane products. It can also be used as the main raw material for elastomer products, resins for synthetic leather, and elastic fibers (spandex).
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