2-Hydrazino-4-(trifluoromethyl)pyrimidine

2-肼基-4-三氟甲基嘧啶

Also known as: 1-[4-(Trifluoromethyl)pyrimidin-2-yl]hydrazine, 4-(Trifluoromethyl)pyrimidin-2-ylhydrazine, N-[4-(Trifluoromethyl)pyrimidin-2-yl]hydrazine, 2-Hydrazinyl-4-(trifluoromethyl)pyrimidine, 2-Hydrazino-4-(trifluoromethyl)-1,3-diazine

2-Hydrazino-4-(trifluoromethyl)pyrimidine (CAS 197305-97-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5F3N4 and a molecular weight of 178.11500 g/mol. It is also known as 1-[4-(Trifluoromethyl)pyrimidin-2-yl]hydrazine, 4-(Trifluoromethyl)pyrimidin-2-ylhydrazine and N-[4-(Trifluoromethyl)pyrimidin-2-yl]hydrazine. Key properties include a melting point of 99-101ºC, a boiling point of 281ºC at 760mmHg, a density of 1.535g/cm3 and a flash point of 123.7ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
197305-97-8
Jingsj CID
J-1499805-6
Molecular Formula
C5H5F3N4
Chinese Name
2-肼基-4-三氟甲基嘧啶
Molecular Weight
178.11500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point99-101ºC
Boiling Point281ºC at 760mmHg
Density1.535g/cm3
Flash Point123.7ºC
Exact Mass178.04700
PSA63.83000
LogP1.55430
Vapor Pressure0.00367mmHg at 25°C
Refractive Index1.531
Additional PropertySoluble in aqueous acid.

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H331 — Toxic if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Hydrazino-4-(trifluoromethyl)pyrimidine?

The CAS number of 2-Hydrazino-4-(trifluoromethyl)pyrimidine is 197305-97-8.

What are the molecular formula and molecular weight of 2-Hydrazino-4-(trifluoromethyl)pyrimidine?

2-Hydrazino-4-(trifluoromethyl)pyrimidine has molecular formula C5H5F3N4 and molecular weight 178.11500 g/mol.

Is 2-Hydrazino-4-(trifluoromethyl)pyrimidine hazardous?

2-Hydrazino-4-(trifluoromethyl)pyrimidine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "2-Hydrazino-4-(trifluoromethyl)pyrimidine (CAS 197305-97-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499805-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.