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4,5,6-Pyrimidinetriamine sulfate

Also known as: 4,5,6-TRIAMINO PYRIMIDINE MONOSULFATE, 4,5,6-TRIAMINOPYRIMIDINE SULFATE, 4,5,6-TRIAMINOPYRIMIDINE SULFATE SALT, 4,5,6-TRIAMINOPYRIMIDINE SULPHATE, 4,5,6-Triaminopyrimidine sulfate, 98+%, 4,5,6-pyrimidinetriamine, sulfate (1:1), EINECS 256-446-3, MFCD00012789, NSC 49184, Pyrimidine-4,5,6-triamine sulfate, pyrimidine-4,5,6-triamine sulphate (1:1), pyrimidine-4,5,6-triamine, sulfuric acid

4,5,6-Pyrimidinetriamine sulfate (CAS 49721-45-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H9N5O4S and a molecular weight of 221.196 g/mol. Key properties include a melting point of >300ºC(lit.), a boiling point of 406.2ºC at 760mmHg, a density of 1.512g/cm3 and a flash point of 228.5ºC. 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 Nov 3, 2026.

CAS No.
49721-45-1
Jingsj CID
J-1990100-9
Molecular Formula
C4H9N5O4S
Molecular Weight
221.196 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>300ºC(lit.)
Boiling Point406.2ºC at 760mmHg
Density1.512g/cm3
Flash Point228.5ºC
Exact Mass221.022964
PSA186.82000
LogP1.39480
Appearancepowder | white to yellow

GHS Safety & Compliance

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

Frequently Asked Questions

What is the CAS number of 4,5,6-Pyrimidinetriamine sulfate?

The CAS number of 4,5,6-Pyrimidinetriamine sulfate is 49721-45-1.

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

4,5,6-Pyrimidinetriamine sulfate has molecular formula C4H9N5O4S and molecular weight 221.196 g/mol.

Is 4,5,6-Pyrimidinetriamine sulfate hazardous?

4,5,6-Pyrimidinetriamine sulfate 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 4,5,6-Pyrimidinetriamine sulfate?

For 4,5,6-Pyrimidinetriamine sulfate, Downstream Products: Adenine, 6-amino-1,7-dihydro-8H-purine-8-thione, 4,5,6-Triaminopyrimidine.

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

Last updated:

How to cite: Jingsj. "4,5,6-Pyrimidinetriamine sulfate (CAS 49721-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990100-9 (accessed 2026-11-09).

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