6-Chloropyrimidine-2,4-diamine
Also known as: 2,4-Diamino-6-chloropyrimidine, 4-Chloro-2,6-diaminopyrimidine, 6-Chloro-2,4-diaminopyrimidine, 2,4-Pyrimidinediamine, 6-chloro-, 6-Chloro-2,4-pyrimidinediamine, 4-Chloro-2,6-pyrimidinediamine, NSC 8818
6-Chloropyrimidine-2,4-diamine (CAS 156-83-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN4 and a molecular weight of 144.562 g/mol. Key properties include a melting point of 199-202 °C(lit.), a boiling point of 438.3±48.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 218.9±29.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 156-83-2
- Jingsj CID
- J-1314560-3
- Molecular Formula
- C4H5ClN4
- Molecular Weight
- 144.562 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 199-202 °C(lit.) |
|---|---|
| Boiling Point | 438.3±48.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 218.9±29.6 °C |
| Exact Mass | 144.020279 |
| PSA | 77.82000 |
| LogP | 0.45 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.702 |
| Storage Conditions | -20°C Freezer |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 6-Chloropyrimidine-2,4-diamine?
The CAS number of 6-Chloropyrimidine-2,4-diamine is 156-83-2.
What are the molecular formula and molecular weight of 6-Chloropyrimidine-2,4-diamine?
6-Chloropyrimidine-2,4-diamine has molecular formula C4H5ClN4 and molecular weight 144.562 g/mol.
Is 6-Chloropyrimidine-2,4-diamine hazardous?
6-Chloropyrimidine-2,4-diamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 6-Chloropyrimidine-2,4-diamine?
For 6-Chloropyrimidine-2,4-diamine, Upstream Products: 2,4-Diamino-6-hydroxypyrimidine, 2-amino-4-chloro-6-guanidinopyrimidine, 2,6-Diaminopyrimidin-4-ol; Downstream Products: 2,4-Diamino-6-methoxypyrimidine, 2,6-Diamino-4-chloropyrimidine 1-oxide, 2,4-Diamino-6-ethoxypyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Chloropyrimidine-2,4-diamine (CAS 156-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314560-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.