Dimethyl sulfoxide
Also known as: DMSO, Methyl sulfoxide, Sulfinylbis(methane), (Methylsulfinyl)methane, Dimethyl sulphoxide
Dimethyl sulfoxide (CAS 67-68-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C2H6OS and a molecular weight of 78.13 g/mol. Key properties include a melting point of 18.4 °C, a boiling point of 189.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 85.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 67-68-5
- Jingsj CID
- J-30611-1
- Molecular Formula
- C2H6OS
- Molecular Weight
- 78.13 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 18.4 °C |
|---|---|
| Boiling Point | 189.0±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 85.0±0.0 °C |
| Exact Mass | 78.013931 |
| PSA | 36.28000 |
| LogP | -1.35 |
| Additional Property | 2.7 (vs air) |
| Vapor Pressure | 0.8±0.3 mmHg at 25°C |
| Refractive Index | 1.480 |
| Additional Property | 18.4℃ |
Activity & Biological Data
| Additional Information | [1]. C F Brayton. Dimethyl sulfoxide (DMSO): a review. Cornell Vet. 1986 Jan;76(1):61-90. [2]. William F Rawls, et al. Dimethyl sulfoxide (DMSO) as intravesical therapy for interstitial cystitis/bladder pain syndrome: A review. Neurourol Urodyn. 2017 Sep;36(7):1677-1684. |
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Customs & Trade Information
| HS Code | 29309070 |
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Frequently Asked Questions
What is the CAS number of Dimethyl sulfoxide?
The CAS number of Dimethyl sulfoxide is 67-68-5.
What are the molecular formula and molecular weight of Dimethyl sulfoxide?
Dimethyl sulfoxide has molecular formula C2H6OS and molecular weight 78.13 g/mol.
What are the upstream and downstream products of Dimethyl sulfoxide?
For Dimethyl sulfoxide, Upstream Products: Dimethyl sulfide, Silver trifluoromethanesulfonate, 4-Methylbenzaldehyde oxime; Downstream Products: Phenylglyoxal monohydrate, beta-Bromostyrene, Acetophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl sulfoxide (CAS 67-68-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30611-1 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.