4,5,6-Triaminopyrimidine

Also known as: 4,5,6-Pyrimidinetriamine, Pyrimidine-4,5,6-triamine, Pyrimidine-4,5,6-triyltriamine, NSC 145059, NSC-145059

4,5,6-Triaminopyrimidine (CAS 118-70-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H7N5 and a molecular weight of 125.13200 g/mol. Key properties include a boiling point of 406.2ºC at 760mmHg, a density of 1.512g/cm3 and a flash point of 228.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 118-70-7
Jingsj CID: J-1492797-0
Molecular Formula: C₄H₇N₅
Molecular Weight: 125.13200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	406.2ºC at 760mmHg
Density	1.512g/cm3
Flash Point	228.5ºC
Exact Mass	125.07000
PSA	103.84000
LogP	0.96680
Vapor Pressure	8.28E-07mmHg at 25°C

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 4,5,6-Triaminopyrimidine?

The CAS number of 4,5,6-Triaminopyrimidine is 118-70-7.

What are the molecular formula and molecular weight of 4,5,6-Triaminopyrimidine?

4,5,6-Triaminopyrimidine has molecular formula C4H7N5 and molecular weight 125.13200 g/mol.

What are the upstream and downstream products of 4,5,6-Triaminopyrimidine?

For 4,5,6-Triaminopyrimidine, Upstream Products: 4,5,6-Pyrimidinetriamine sulfate, 4,6-diamino-5-nitroso-1H-pyrimidine-2-thione, 4,6-Diamino-5-nitropyrimidine; Downstream Products: 8-Azaadenine, 8-Hydroxyadenine, 4,6-Diamino-5-(formylamino)pyrimidine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5,6-Triaminopyrimidine (CAS 118-70-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492797-0 (accessed 2026-11-09).

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