5-chloropyridine-2,3-diamine
Also known as: 5-Chloro-2,3-diaminopyridine, 2,3-diamino-5-chloropyridine, 2,3-Pyridinediamine, 5-chloro-, 5-chloro-2,3-pyridinediamine, 5-chloropyridine-2,3-diamine
5-chloropyridine-2,3-diamine (CAS 25710-20-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6ClN3 and a molecular weight of 143.57400 g/mol. Key properties include a melting point of 164-173 °C, a boiling point of 338.9ºC at 760 mmHg, a density of 1.447 g/cm3 and a flash point of 158.7ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25710-20-7
- Jingsj CID
- J-20153-6
- Molecular Formula
- C5H6ClN3
- Molecular Weight
- 143.57400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 164-173 °C |
|---|---|
| Boiling Point | 338.9ºC at 760 mmHg |
| Density | 1.447 g/cm3 |
| Flash Point | 158.7ºC |
| Exact Mass | 143.02500 |
| PSA | 64.93000 |
| LogP | 2.06180 |
| Vapor Pressure | 9.55E-05mmHg at 25°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- 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 5-chloropyridine-2,3-diamine?
The CAS number of 5-chloropyridine-2,3-diamine is 25710-20-7.
What are the molecular formula and molecular weight of 5-chloropyridine-2,3-diamine?
5-chloropyridine-2,3-diamine has molecular formula C5H6ClN3 and molecular weight 143.57400 g/mol.
Is 5-chloropyridine-2,3-diamine hazardous?
5-chloropyridine-2,3-diamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of 5-chloropyridine-2,3-diamine?
For 5-chloropyridine-2,3-diamine, Upstream Products: 2-Amino-5-chloro-3-nitropyridine, 2-Amino-5-chloropyridine, 2-Nitropyridine; Downstream Products: 6-Chloro-1H-imidazo[4,5-b]pyridine, 6-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridine-2-thione, 6-chloro-1H-imidazo[4,5-b]pyridin-2(3H)-one.
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-chloropyridine-2,3-diamine (CAS 25710-20-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20153-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.