Skip to main content

2,4-Diamino-5-nitropyrimidine

Also known as: 5-Nitropyrimidine-2,4-diamine, 2,4-Pyrimidinediamine, 5-nitro-, 5-Nitro-2,4-pyrimidinediamine, 5-Nitro-2,4-diaminopyrimidine, NSC 122004

2,4-Diamino-5-nitropyrimidine (CAS 18620-73-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N5O2 and a molecular weight of 155.115 g/mol. Key properties include a melting point of 345-350ºC, a boiling point of 509.0±53.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 261.6±30.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18620-73-0
Jingsj CID
J-1354978-5
Molecular Formula
C4H5N5O2
Molecular Weight
155.115 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point345-350ºC
Boiling Point509.0±53.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point261.6±30.9 °C
Exact Mass155.044327
PSA123.64000
LogP0.86
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.746
Storage Conditions-20?C Freezer

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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 2,4-Diamino-5-nitropyrimidine?

The CAS number of 2,4-Diamino-5-nitropyrimidine is 18620-73-0.

What are the molecular formula and molecular weight of 2,4-Diamino-5-nitropyrimidine?

2,4-Diamino-5-nitropyrimidine has molecular formula C4H5N5O2 and molecular weight 155.115 g/mol.

What are the upstream and downstream products of 2,4-Diamino-5-nitropyrimidine?

For 2,4-Diamino-5-nitropyrimidine, Upstream Products: 2,4-Dichloro-5-nitropyrimidine, 4-Chloro-5-nitropyrimidin-2-amine, 2-chloro-5-nitropyrimidin-4-amine; Downstream Products: 2,4,5-Pyrimidinetriamine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,4-Diamino-5-nitropyrimidine (CAS 18620-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354978-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.