- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3-Aminopyrazole
- Price: Check
- Purity: 99.5%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3-Aminopyrazole
- Price: ￥198.0/25g ￥88.0/5g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3-Aminopyrazole
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
1820-80-0
1820-80-0 structure
- Name: 3-Aminopyrazole
- Chemical Name: 3-Aminopyrazole
- CAS Number: 1820-80-0
- Molecular Formula: C3H5N3
- Molecular Weight: 83.092
- Catalog: Pharmaceutical intermediate API intermediate
- Create Date: 2018-05-16 08:00:00
- Modify Date: 2025-08-24 23:41:23
| Name | 3-Aminopyrazole |
|---|---|
| Synonyms |
3-Pyrazolamine
5-Pyrazolamine 1H-pyrazol-3-ylamine EINECS 217-338-1 5-AMINOPYRAZOLE 3-amino-pyrazole 3-AMINOPYROZOLE 1H-Pyrazol-5-amine 3-Amino-pyrazol 3-Aminopyarazole 1H-pyrazol-3-amine MFCD00005236 3-AP |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 334.5±15.0 °C at 760 mmHg |
| Melting Point | 34-37 °C(lit.) |
| Molecular Formula | C3H5N3 |
| Molecular Weight | 83.092 |
| Flash Point | 182.6±7.6 °C |
| Exact Mass | 83.048347 |
| PSA | 54.70000 |
| LogP | -0.29 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.648 |
| Storage condition | 2-8°C |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H302-H314 |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | C:Corrosive; Xi:Irritant |
| Risk Phrases | R22;R34;R36/37/38 |
| Safety Phrases | S26-S36/37/39-S45 |
| RIDADR | UN 3263 8/PG 2 |
| WGK Germany | 3 |
| Hazard Class | 8.0 |
| HS Code | 2933199090 |
|
~99%
1820-80-0 |
| Literature: Quinn, John F.; Bryant, Cole E.; Golden, Kathryn C.; Gregg, Brian T. Tetrahedron Letters, 2010 , vol. 51, # 5 p. 786 - 789 |
|
~60%
1820-80-0 |
| Literature: Ege, Guenter; Franz, Hermann Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 1267 - 1273 |
|
~%
1820-80-0 |
| Literature: Helvetica Chimica Acta, , vol. 39, p. 986,988 |
| Precursor 3 | |
|---|---|
| DownStream 10 | |
![PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE structure](https://image.chemsrc.com/caspic/382/57489-70-0.png)
![ETHYL 7-OXO-4,7-DIHYDROPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE structure](https://image.chemsrc.com/caspic/111/29274-18-8.png)
![5-methylpyrazolo[1,5-a]pyrimidin-7(4h)-one structure](https://image.chemsrc.com/caspic/311/29274-35-9.png)
![5-Bromo-1H-pyrazolo[3,4-b]pyridine structure](https://image.chemsrc.com/caspic/190/875781-17-2.png)
![6-Bromopyrazolo[1,5-a]pyrimidine structure](https://image.chemsrc.com/caspic/213/705263-10-1.png)
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |