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2,4,6-Triaminopyrimidine

Also known as: Pyrimidine-2,4,6-triamine, 2,4,6-Pyrimidinetriamine, Triaminopyrimidine, EINECS 213-720-7, MFCD00006100

2,4,6-Triaminopyrimidine (CAS 1004-38-2) 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 125.132 g/mol. Key properties include a melting point of 249-251 °C(lit.), a boiling point of 530.8±53.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 308.2±18.1 °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.
1004-38-2
Jingsj CID
J-18617-4
Molecular Formula
C4H7N5
Molecular Weight
125.132 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point249-251 °C(lit.)
Boiling Point530.8±53.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point308.2±18.1 °C
Exact Mass125.070145
PSA103.84000
LogP-1.01
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.793
Additional Property36.5 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 2,4,6-Triaminopyrimidine?

The CAS number of 2,4,6-Triaminopyrimidine is 1004-38-2.

What are the molecular formula and molecular weight of 2,4,6-Triaminopyrimidine?

2,4,6-Triaminopyrimidine has molecular formula C4H7N5 and molecular weight 125.132 g/mol.

Is 2,4,6-Triaminopyrimidine hazardous?

2,4,6-Triaminopyrimidine 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 2,4,6-Triaminopyrimidine?

For 2,4,6-Triaminopyrimidine, Upstream Products: Malononitrile, Guanidine hydrochloride, 2,4,6-Trichloropyrimidine; Downstream Products: 7H-Pyrrolo[2,3-d]pyrimidine-2,4-diamine, 4,6-Diamino-2-pyrimidinol, 2,4,6-Triamino-5-nitrosopyrimidine.

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

Last updated:

How to cite: Jingsj. "2,4,6-Triaminopyrimidine (CAS 1004-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18617-4 (accessed 2026-11-09).

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