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:
futurechemical
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)

Methoxypolyethylene glycols 9004-74-4 MPEG (C2H4O)nCH4O Polycarboxylate water reducer Water-based coating dispersant UV ink reactive diluent Textile auxiliary Dye dispersant PCB board cleaner

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.