2-Amino-4-methyl-5-nitropyridine
Also known as: 2-Amino-5-nitro-4-picoline, 2-Amino-5-nitro-4-methylpyridine, 4-Methyl-5-nitropyridin-2-amine, 4-Methyl-5-nitro-2-pyridinamine, 4-Methyl-5-nitro-2-aminopyridine, 2-Pyridinamine, 4-methyl-5-nitro-
2-Amino-4-methyl-5-nitropyridine (CAS 21901-40-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O2 and a molecular weight of 153.14 g/mol. Key properties include a melting point of 223-225 °C(lit.), a boiling point of 351.9±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 166.6±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21901-40-6
- Jingsj CID
- J-27906-1
- Molecular Formula
- C6H7N3O2
- Molecular Weight
- 153.14 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-225 °C(lit.) |
|---|---|
| Boiling Point | 351.9±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 166.6±26.5 °C |
| Exact Mass | 153.053833 |
| PSA | 84.73000 |
| LogP | 1.64 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.625 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 2-Amino-4-methyl-5-nitropyridine?
The CAS number of 2-Amino-4-methyl-5-nitropyridine is 21901-40-6.
What are the molecular formula and molecular weight of 2-Amino-4-methyl-5-nitropyridine?
2-Amino-4-methyl-5-nitropyridine has molecular formula C6H7N3O2 and molecular weight 153.14 g/mol.
Is 2-Amino-4-methyl-5-nitropyridine hazardous?
2-Amino-4-methyl-5-nitropyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Amino-4-methyl-5-nitropyridine?
For 2-Amino-4-methyl-5-nitropyridine, Upstream Products: 4-Methylpyridin-2-amine, 4-Methyl-3-nitropyridine, 4-Methyl-N-nitropyridin-2-amine; Downstream Products: N-(5-Fluoro-4-methylpyridin-2-yl)acetamide, 3-Fluoropyridine-4-carboxylic acid, 3-Amino-4-methylpyridine.
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-Amino-4-methyl-5-nitropyridine (CAS 21901-40-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27906-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.