Cyanic acid
Also known as: Hydrogen cyanate, Cyanic acid (6CI,7CI,8CI,9CI), HOCN, CPD-69
Cyanic acid (CAS 420-05-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CHNO and a molecular weight of 43.02470 g/mol. Key properties include a boiling point of 23.5ºC at 760mmHg and a density of 1.197g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 420-05-3
- Jingsj CID
- J-1398674-8
- Molecular Formula
- CHNO
- Molecular Weight
- 43.02470 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 23.5ºC at 760mmHg |
|---|---|
| Density | 1.197g/cm3 |
| Exact Mass | 43.00580 |
| PSA | 44.02000 |
| Vapor Pressure | 813mmHg at 25°C |
| Refractive Index | 1.37 |
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Cyanic acid?
The CAS number of Cyanic acid is 420-05-3.
What are the molecular formula and molecular weight of Cyanic acid?
Cyanic acid has molecular formula CHNO and molecular weight 43.02470 g/mol.
What are the upstream and downstream products of Cyanic acid?
For Cyanic acid, Upstream Products: Urea, Sodium cyanate, N-Nitrocarbamide; Downstream Products: 1,1-Dimethylurea, Benzamide, Hydantoic Acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyanic acid (CAS 420-05-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398674-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.