Diethylene glycol monomethyl ether CAS 111-77-3

Product name: Diethylene glycol monomethyl ether

CAS： 111-77-3

MF：C5H12O3

MW：120.15

EINECS: 203-906-6

Product Description

Product name: Diethylene glycol monomethyl ether

CAS： 111-77-3

MF：C5H12O3

MW：120.15

EINECS: 203-906-6

Application：

1. Used as a high boiling solvent for inks, dyes, resins, cellulose, and coatings, as well as in organic synthesis

2. Used as a solvent for nitrocellulose, resin, wood coloring dyes, inks, alcohol ether dyes, and also as an extractant, modifier, etc

Specifications :

COA

Item	Ethylene glycol monomethyl ether (EM)	Di-ethylene glycol monomethyl ether (DEM)	Tri-ethylene glycol monomethyl ether (TEM)
CAS	109-86-4	111-77-3	112-35-6
Molecular formula	CH3OCH2CH2OH	CH3OCH2CH2OCH2CH2OH	CH3O(C2H4O)3H
Appearance	Colorless and clear liquid	Colorless and clear liquid	Colorless and clear liquid
Purity(GC)%≥	99.5	99.0	98.0
Distillation range(℃ /760mmHg)	122.5-127.0	191.0-198.0	230.0-250.0
Moisture (KF)%≤	0.1	0.1	0.1
Specific gravity(d420)	0.965±0.005	1.018±0.005	1.049±0.005
Color(Pt-Co)≤C	10	15	30

公司信息

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.