4,5-Dimethyl-1,3-thiazol-2-amine
Also known as: 4,5-Dimethylthiazol-2-amine, 2-Thiazolamine, 4,5-dimethyl-, 4,5-Dimethyl-1,3-thiazol-2-amine, 2-Amino-4,5-dimethylthiazole, AKOS BBS-00004664, ASISCHEM D48929, AURORA 5329, IFLAB-BB F1920-0013
4,5-Dimethyl-1,3-thiazol-2-amine (CAS 2289-75-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N2S and a molecular weight of 128.195 g/mol. Key properties include a melting point of 66-69ºC, a boiling point of 256.1±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 108.7±18.7 °C. It is listed by 1 supplier, from 5.00 to 4,500.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 2289-75-0
- Jingsj CID
- J-1310338-9
- Molecular Formula
- C5H8N2S
- Molecular Weight
- 128.195 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 500g | ¥2,500.00 | $0.75 /gBest ¥5.00/g CNY | CN China MOQ 500g | |
Made to OrderPlatform-operated | 99% 100g | ¥550.00 | $0.82 /g ¥5.50/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 1kg | ¥4,500.00 | $673.4 /kg ¥4,500.00/kg CNY | CN China MOQ 1kg |
Physicochemical Properties
| Melting Point | 66-69ºC |
|---|---|
| Boiling Point | 256.1±9.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 108.7±18.7 °C |
| Exact Mass | 128.040817 |
| PSA | 67.15000 |
| LogP | 1.30 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.600 |
| Storage Conditions | 2-8°C |
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 4,5-Dimethyl-1,3-thiazol-2-amine?
The CAS number of 4,5-Dimethyl-1,3-thiazol-2-amine is 2289-75-0.
What are the molecular formula and molecular weight of 4,5-Dimethyl-1,3-thiazol-2-amine?
4,5-Dimethyl-1,3-thiazol-2-amine has molecular formula C5H8N2S and molecular weight 128.195 g/mol.
Which suppliers offer 4,5-Dimethyl-1,3-thiazol-2-amine?
1 supplier(s) listed; reference unit price ¥5.00–4500.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dimethyl-1,3-thiazol-2-amine (CAS 2289-75-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310338-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.