Polytetramethylene Ether Glycol , averageMn~850 , 25190-06-1

Synonym(s):
α-Hydro-ω-hydroxypoly(oxy-1,4-butanediyl);Poly(1,4-butanediol);polyTHF;Terathane 2000 polyether glycol;Terathane 650 polyether glycol

CAS NO.：25190-06-1

Empirical Formula: C16H33O5X2

Molecular Weight: 305.43

MDL number: MFCD00148879

EINECS: 607-637-9

PRODUCT 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
• Flash point: >230 °F
• storage temp.: Store below +30°C.
• solubility: <10g/l
• form: Fused mass
• Specific Gravity: 0.961
• PH: 7 (H2O, 20℃)Aqueous solution

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H412
• Precautionary statements: P273
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 1
• RTECS: MD0916000
• TSCA: TSCA listed
• HS Code: 3907 20 20
• Toxicity: LD50 orally in Rabbit: > 5000 mg/kg