5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole
Also known as: 1,3-Dimethyl-4-nitropyrazole-5-hydrazine, 1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl-hydrazine, 1,3-Dimethyl-4-nitropyrazole-5-ylhydrazine, 1,3-Dimethyl-5-hydrazino-4-nitropyrazole, 5-Hydrazinyl-1,3-dimethyl-4-nitro-1H-pyrazole, 5-Hydrazino-1,3-dimethyl-4-nitropyrazole, 1H-Pyrazole, 5-hydrazinyl-1,3-dimethyl-4-nitro-
5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole (CAS 66971-55-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9N5O2 and a molecular weight of 171.15700 g/mol. Key properties include a boiling point of 338.5ºC at 760 mmHg, a density of 1.62g/cm3 and a flash point of 158.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66971-55-9
- Jingsj CID
- J-1488719-5
- Molecular Formula
- C5H9N5O2
- Molecular Weight
- 171.15700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 338.5ºC at 760 mmHg |
|---|---|
| Density | 1.62g/cm3 |
| Flash Point | 158.5ºC |
| Exact Mass | 171.07600 |
| PSA | 101.69000 |
| LogP | 1.21880 |
| Refractive Index | 1.692 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole?
The CAS number of 5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole is 66971-55-9.
What are the molecular formula and molecular weight of 5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole?
5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole has molecular formula C5H9N5O2 and molecular weight 171.15700 g/mol.
What are the upstream and downstream products of 5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole?
For 5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole, Upstream Products: 5-chloro-1,3-dimethyl-4-nitro-1H-pyrazole; Downstream Products: 1,3-Dimethyl-4-nitro-1H-pyrazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole (CAS 66971-55-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1488719-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.