Poltethiydrofuran (ptmeg) cas: 25190-06-1

Poltethiydrofuran (ptmeg) cas: 25190-06-1

Poltethiydrofuran Ptmeg CAS: 25190-06-1 Poly (tetrahydrofuran) bobot molekuler 2000 Eter poltetramethylene eter glycol

Detail Produk

Poltethirydrofuran /Eter poltetramethylene eter glycol /PTMEGE: 25190-06-1

Jeneng Liyane: PolyTetHydrofuran / PolyTecathulene Ether Glycol /Poly (tetrahydrofuran) bobot molekuler 2000

Poltethirydrofuran / poltetramethylene eter glycol / ptmegInformasi dhasar


Mf: (c4h8o) nh2o

MW: 305.43

EineCE: 607-637-9


Poltethirydrofuran / poltetramethylene eter glycol / ptmegProperties Kimia

Titik leleh 33-36 ° C

Boiling Point> 204

Kapadhetan 1 g / ml ing 25 ° C

Tekanan uap <0,01 mm Hg (25 ° C)

Indeks Pengungsi N20 / D 1.465

FP> 230 ° F

Temp panyimpenan.  Simpen ing ngisor + 30 ° C.

Kelaren <10g / l

Mbentuk massa sing digandhengake

Gravitasi Khusus 0.961

PH 7 (H2O, 20 ℃) Solusi Aqueous

Kelarutan banyu <10g / l

Tension permukaan 31.9mn / m ing 20 ° C

Poly (tetrahydrofuran) bobot molekuler 2000Spesifikasi


Penampilan: Cairan transparan tanpa warna, ora katon

Bobot molekuler: 1990 ~ 2010g / mol

Nomer hysroxyl: 55.8 ~ 56.4mg / g

Viscosity: 1260 ~ 1330MPA.S

Rasio Bobot Molekuler: 2.04 ~ 2.06

Werna: ≤25SHAZEN

Banyu: ≤100mg / kg

Nilai asam: ≤0.05mg / g

BHT: 150 ~ 250 mg / kg

Rasio CarbonyL: ≤0.5





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