1 1'-Oxydi-2-propanol CAS 110-98-5

Product name: Dipropylene glycol

CAS：25265-71-8

MF： C6H14O3

MW： 134.17

EINECS:246-770-3

Product Description

Product name: Dipropylene glycol

CAS：25265-71-8

MF： C6H14O3

MW： 134.17

EINECS:246-770-3

Application:

1. Dipropylene glycol is mainly used as a solvent for cellulose acetate, nitrocellulose, shellac varnish, and castor oil

2. As a solvent for nitric acid fibers and an intermediate for organic synthesis.

Specifications :

COA

Test items	Test items	Testing method	Test results
apprance	Colorless and transparent, viscous liquid without sediment and suspension	Visual inspection	Colorless and transparent, viscous liquid without sediment and suspension
(20℃) Relative density	1. 0200 to 1.0250	Q/0500 DHX003-2018	1. 0211
Fe.mg/kg	≤l	Q/0500 DHX003-2018	0
Moisture	≤0.20	GB/T6324.8-2014	0.015
Pt-Co Chroma	≤10	GB 3143-82	<1O
mg/kg acidity	≤75	Q/0500 DHX003-2018	12.39
mg/kg Burning residue	≤80	Q/0500 DHX003-2018	16.99
assay	≥99.5	Q/0500 DHX003-2018	99.987
Propylene glycol	≤0.20	Q/0500 DHX003-2018	0.001

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.