Methoxypolyethylene glycols CAS 9004-74-4 MPEG

Polyethylene glycol monomethyl ether is a water-soluble linear polymer with excellent lubricity, film-forming property, moisturizing property, adhesive property, dispersibility, etc. It belongs to an environmentally friendly nonionic surfactant. Its series of products, fatty acid esters and their composite materials have been widely applied in numerous fields.

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Model:
9004-74-4
Brand:
bosschemical
Code:
9004-74-4

Product Description

Methoxypolyethylene glycols Basic information
Product Name:	Methoxypolyethylene glycols
CAS:	9004-74-4
MF:	(C2H4O)nCH4O
MW:	120.14698
EINECS:	618-394-3
Mol File:	9004-74-4.mol
Methoxypolyethylene glycols Chemical Properties
Melting point	60-64 °C
Boiling point	>200°C/760mmHg
density	1.094 g/mL at 25 °C
vapor density	>1 (vs air)
vapor pressure	0.05 mm Hg ( 20 °C)
refractive index	n20/D 1.459
Fp	268 °C
storage temp.	-20°C
solubility	H2O: 50 mg/mL at 25 °C, clear, colorless
form	semisolid
Specific Gravity	1.094
color	White to pale yellow
Odor	Mild odor
PH	5.5-7.0 (25℃, 50mg/mL in H2O)
Water Solubility	Slightly miscible with water.
λmax	λ: 260 nm Amax: 0.06
λmax	λ: 280 nm Amax: 0.03
Ω-end	hydroxyl
α-end	methoxy
Stability:	Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.
InChIKey	XNWFRZJHXBZDAG-UHFFFAOYSA-N
LogP	-0.800 (est)
EPA Substance Registry System	Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-hydroxy- (9004-74-4)