S-Methylisothiourea hydroiodide
Also known as: Carbamimidothioic acid, methyl ester, monohydriodide (9CI), 2-Methyl-2-thiopseudourea hydroiodide, 2-Methyl-2-thio-pseudourehydriodide, 2-Methylisothiouronium iodide, Methyl carbamimidothioate hydroiodide, Methyl aminomethanimidothioate hydroiodide, S-Methylthiouronium iodide, S-Methylthiuronium iodide, S-Methylisothiouronium iodide, S-Methylisothiuronium iodide, [Amino(methylthio)methylidene]ammonium iodide, Pseudourea, 2-methyl-2-thio-, hydriodide (6CI), Pseudourea, 2-methyl-2-thio-, monohydriodide (8CI)
S-Methylisothiourea hydroiodide (CAS 4338-95-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H7IN2S and a molecular weight of 218.06000 g/mol. Key properties include a melting point of 82ºC, a boiling point of 138.8ºC at 760mmHg, a density of 1.26g/cm3 and a flash point of 37.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4338-95-8
- Jingsj CID
- J-8409-3
- Molecular Formula
- C2H7IN2S
- Molecular Weight
- 218.06000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 82ºC |
|---|---|
| Boiling Point | 138.8ºC at 760mmHg |
| Density | 1.26g/cm3 |
| Flash Point | 37.7ºC |
| Exact Mass | 217.93700 |
| PSA | 75.17000 |
| LogP | 2.04110 |
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 S-Methylisothiourea hydroiodide?
The CAS number of S-Methylisothiourea hydroiodide is 4338-95-8.
What are the molecular formula and molecular weight of S-Methylisothiourea hydroiodide?
S-Methylisothiourea hydroiodide has molecular formula C2H7IN2S and molecular weight 218.06000 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-Methylisothiourea hydroiodide (CAS 4338-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8409-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.