3-S-Isothiuronium propyl sulfonate
3-硫-异硫脲丙基磺酸
Also known as: 3-(Amidinothio)-1-propanesulfonic acid, 3-(Carbamimidoylsulfanyl)-1-propanesulfonic acid, 3-(Carbamimidoylthio)-1-propanesulfonic Acid, 3-Carbamimidoylmercapto-propane-1-sulfonic acid, 3-[(Aminoiminomethyl)thio]propanesulfonic acid, 1-Propanesulfonic acid,3-((aminoiminomethyl)thio)-, 3-carbamimidoylsulfanylpropane-1-sulfonic acid, 3-sulfurisothioureapropylsulfonic acid, UPS
3-S-Isothiuronium propyl sulfonate (CAS 21668-81-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10N2O3S2 and a molecular weight of 198.264 g/mol. It is also known as 3-(Amidinothio)-1-propanesulfonic acid, 3-(Carbamimidoylsulfanyl)-1-propanesulfonic acid and 3-(Carbamimidoylthio)-1-propanesulfonic Acid. Key properties include a melting point of 240 °C and a density of 1.6±0.1 g/cm3. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21668-81-5
- Jingsj CID
- J-38851-5
- Molecular Formula
- C4H10N2O3S2
- Chinese Name
- 3-硫-异硫脲丙基磺酸
- Molecular Weight
- 198.264 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 240 °C |
|---|---|
| Density | 1.6±0.1 g/cm3 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3-S-Isothiuronium propyl sulfonate?
The CAS number of 3-S-Isothiuronium propyl sulfonate is 21668-81-5.
What are the molecular formula and molecular weight of 3-S-Isothiuronium propyl sulfonate?
3-S-Isothiuronium propyl sulfonate has molecular formula C4H10N2O3S2 and molecular weight 198.264 g/mol.
Is 3-S-Isothiuronium propyl sulfonate hazardous?
3-S-Isothiuronium propyl sulfonate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-S-Isothiuronium propyl sulfonate (CAS 21668-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38851-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.