2-Aminothiazole-5-carbonitrile
Also known as: 2-Amino-5-cyanothiazole, 2-Aminothiazole-5-carbonitrile, 2-Amino-1,3-thiazole-5-carbonitrile, 5-thiazolecarbonitrile, 2-amino-
2-Aminothiazole-5-carbonitrile (CAS 51640-52-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3N3S and a molecular weight of 125.15200 g/mol. Key properties include a melting point of 185-187ºC, a boiling point of 330.4ºC at 760mmHg, a density of 1.45g/cm3 and a flash point of 153.6ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51640-52-9
- Jingsj CID
- J-1152412-2
- Molecular Formula
- C4H3N3S
- Molecular Weight
- 125.15200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185-187ºC |
|---|---|
| Boiling Point | 330.4ºC at 760mmHg |
| Density | 1.45g/cm3 |
| Flash Point | 153.6ºC |
| Exact Mass | 125.00500 |
| PSA | 90.94000 |
| LogP | 1.17818 |
| Refractive Index | 1.636 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Aminothiazole-5-carbonitrile?
The CAS number of 2-Aminothiazole-5-carbonitrile is 51640-52-9.
What are the molecular formula and molecular weight of 2-Aminothiazole-5-carbonitrile?
2-Aminothiazole-5-carbonitrile has molecular formula C4H3N3S and molecular weight 125.15200 g/mol.
Is 2-Aminothiazole-5-carbonitrile hazardous?
2-Aminothiazole-5-carbonitrile has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Aminothiazole-5-carbonitrile?
For 2-Aminothiazole-5-carbonitrile, Upstream Products: 3-Methoxyacrylonitrile (cis- and trans- mixture), 2-Chloro-3-oxopropanenitrile, 2-Bromo-3-oxopropanenitrile; Downstream Products: 2-Chloro-1,3-thiazole-5-carbonitrile, 2-Bromothiazole-5-carbonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Aminothiazole-5-carbonitrile (CAS 51640-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1152412-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.