CAS Number Lookup Tool

Search over 80,000 chemical compounds by CAS number. Get molecular formula, weight, density, melting/boiling point, and more. Free tool by SKYSEVEN Chemical.

Dimethyl sulfoxide (CAS 67-68-5)

CAS Number 67-68-5
English Name Dimethyl sulfoxide
Chinese Name 二甲基亚砜
Molecular Formula C2H6OS
Molecular Weight 78.133
Density 1.1
Melting Point 18.4-19.0℃
Boiling Point 189℃
Flash Point 95℃
Refractive Index 1.477-1.48
Vapor Pressure 0.42mmHg(20°C)
Share on Facebook Share on LinkedIn

About CAS Numbers

A CAS Registry Number is a unique numerical identifier assigned by the Chemical Abstracts Service to every chemical substance described in the open scientific literature. It contains up to 10 digits separated by hyphens (e.g. 107-98-2). Use this free tool to look up any chemical by its CAS number and get molecular properties instantly.

Cite this tool

If this tool helped your work, please cite SKYSEVEN Chemical so others can find it:

CAS Number Lookup Tool. SKYSEVEN Chemical. Available at: https://www.cnchemshop.com/tools/cas-lookup.html?cas=67-68-5

Suggested attribution: “CAS Number Lookup Tool by SKYSEVEN Chemical (cnchemshop.com)”

→ Molecular Weight Calculator · All tools