isothiocyanic acid
Also known as: Isothiocyansaeure, Hydrogenisothiocyanate, Rhodanwasserstoffsaeure, HNCS, Parathiocyanogen, Isothiozyansaeure, Thiocyanwasserstoffsaeure, imidosulfidocarbon, isothiocyanate, azanediidosulfidocarbon, isorhodanic acid, isosulfocyanic acid
isothiocyanic acid (CAS 3129-90-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CHNS and a molecular weight of 59.09030 g/mol. Key property: a density of 1.12g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3129-90-6
- Jingsj CID
- J-1515562-1
- Molecular Formula
- CHNS
- Molecular Weight
- 59.09030 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.12g/cm3 |
|---|---|
| Exact Mass | 58.98300 |
| PSA | 55.94000 |
| LogP | 0.76770 |
| Refractive Index | 1.533 |
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 isothiocyanic acid?
The CAS number of isothiocyanic acid is 3129-90-6.
What are the molecular formula and molecular weight of isothiocyanic acid?
isothiocyanic acid has molecular formula CHNS and molecular weight 59.09030 g/mol.
What are the upstream and downstream products of isothiocyanic acid?
For isothiocyanic acid, Upstream Products: Phosphoric acid, Potassium thiocyanate, Cyanogen bromide; Downstream Products: 1-(4-Methoxyphenyl)imidazoline-2-thione, Thiosemicarbazide, Cobalt(II) thiocyanate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "isothiocyanic acid (CAS 3129-90-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515562-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.