1,1-Dimethoxy-2-(methylthio)ethane
1,1-二甲氧基-2-(甲硫基)乙烷
Also known as: (Methylthio)acetaldehyde dimethyl acetal, (Methylmercapto)acetaldehyde dimethyl acetal, 1,1-Dimethoxy-2-(methylsulfanyl)ethane, 2-(Methylthio)acetaldehyde dimethyl acetal, Ethane, 1,1-dimethoxy-2-(methylthio)-
1,1-Dimethoxy-2-(methylthio)ethane (CAS 40015-15-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H12O2S and a molecular weight of 136.213 g/mol. It is also known as (Methylthio)acetaldehyde dimethyl acetal, (Methylmercapto)acetaldehyde dimethyl acetal and 1,1-Dimethoxy-2-(methylsulfanyl)ethane. Key properties include a boiling point of 59-60 ºC (13 mmHg), a density of 1.022 and a flash point of -2 ºF. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40015-15-4
- Jingsj CID
- J-1029261-1
- Molecular Formula
- C5H12O2S
- Chinese Name
- 1,1-二甲氧基-2-(甲硫基)乙烷
- Molecular Weight
- 136.213 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 59-60 ºC (13 mmHg) |
|---|---|
| Density | 1.022 |
| Flash Point | -2 ºF |
| Exact Mass | 136.055801 |
| PSA | 43.76000 |
| LogP | 1.15 |
| Vapor Pressure | 2.0±0.3 mmHg at 25°C |
| Refractive Index | 1.4528 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,1-Dimethoxy-2-(methylthio)ethane?
The CAS number of 1,1-Dimethoxy-2-(methylthio)ethane is 40015-15-4.
What are the molecular formula and molecular weight of 1,1-Dimethoxy-2-(methylthio)ethane?
1,1-Dimethoxy-2-(methylthio)ethane has molecular formula C5H12O2S and molecular weight 136.213 g/mol.
Is 1,1-Dimethoxy-2-(methylthio)ethane hazardous?
1,1-Dimethoxy-2-(methylthio)ethane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1,1-Dimethoxy-2-(methylthio)ethane?
For 1,1-Dimethoxy-2-(methylthio)ethane, Upstream Products: Methanethiol, Chloroacetaldehyde dimethyl acetal; Downstream Products: 2-Methylthioacetaldehyde.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-Dimethoxy-2-(methylthio)ethane (CAS 40015-15-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029261-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.