131695

Pyrimidine

≥98.0%

• Synonym(s): 1,3-Diazine, Metadiazine, m-Diazine
• Empirical Formula (Hill Notation): C₄H₄N₂
• CAS Number: 289-95-2
• Molecular Weight: 80.09
• Beilstein: 103894
• EC Number: 206-026-0
• MDL number: MFCD00006059
• UNSPSC Code: 12352100
• eCl@ss: 39161701
• PubChem Substance ID: 24848029
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: ≥98.0%
• refractive index: n20/D 1.504 (lit.)
• bp: 123-124 °C (lit.)
• mp: 19-22 °C (lit.)
• solubility: H₂O: soluble; alcohols: soluble; diethyl ether: soluble
• density: 1.016 g/mL at 25 °C (lit.)
• SMILES string: c1cncnc1
• InChI: 1S/C4H4N2/c1-2-5-4-6-3-1/h1-4H
• InChI key: CZPWVGJYEJSRLH-UHFFFAOYSA-N

Description

General description

Pyrimidine is a heterocyclic compound with excellent stability. It is used in manufacture of pharmaceuticals, agrochemicals and dyes.

Application

Pyrimidine was used to assess the extent of pyrimidine/purine asymmetry quantitatively. It was also used to study the photoinduced ion chemistry of the halogenated pyrimidines, a class of prototype radiosensitizing molecules.

Safety Information

• Pictograms: GHS02,GHS05
• Signal Word: Danger
• Hazard Statements: H226,H318
• Precautionary Statements: P210 - P233 - P240 - P241 - P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 93.2 °F - closed cup
• Flash Point(C): 34 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves