Skip to main content

2-Aminopyrimidine

Also known as: 2-Pyrimidinamine, Pyrimidin-2-amine, 2-Pyrimidinylamine, 2-Amino-1,3-diazine, 2-Pyrimidylamine, Pyrimidin-2-ylamine

2-Aminopyrimidine (CAS 109-12-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N3 and a molecular weight of 95.10 g/mol. Key properties include a melting point of 122-126 °C(lit.), a boiling point of 148.0±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 43.3±22.6 °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.
109-12-6
Jingsj CID
J-44534-1
Molecular Formula
C4H5N3
Molecular Weight
95.10 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point122-126 °C(lit.)
Boiling Point148.0±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point43.3±22.6 °C
Exact Mass95.048347
PSA51.80000
LogP-0.89
Vapor Pressure4.3±0.3 mmHg at 25°C
Refractive Index1.632
Additional PropertySOLUBLE

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-Aminopyrimidine?

The CAS number of 2-Aminopyrimidine is 109-12-6.

What are the molecular formula and molecular weight of 2-Aminopyrimidine?

2-Aminopyrimidine has molecular formula C4H5N3 and molecular weight 95.10 g/mol.

Is 2-Aminopyrimidine hazardous?

2-Aminopyrimidine 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-Aminopyrimidine?

For 2-Aminopyrimidine, Upstream Products: 2-Bromopyrimidine, Malonaldehyde, 2-Amino-4-chloropyrimidine; Downstream Products: 4-(Imidazo[1,2-a]pyrimidin-2-yl)benzonitrile, 2-(chloromethyl)imidazo[1,2-a]pyrimidine, 2-(Chloromethyl)imidazo[1,2-a]pyridine.

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-Aminopyrimidine (CAS 109-12-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44534-1 (accessed 2026-11-09).

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