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131695

Sigma-Aldrich

Pyrimidine

≥98.0%

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Synonym(s):
1,3-Diazine, Metadiazine, m-Diazine
Empirical Formula (Hill Notation):
C4H4N2
CAS Number:
Molecular Weight:
80.09
Beilstein/REAXYS Number:
103894
EC Number:
MDL number:
eCl@ss:
39161701
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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This Item
W401501W327107W330906
Pyrimidine ≥98.0%

131695

Pyrimidine

Pyrazine ≥99%, FG

W401501

Pyrazine

2,3-Dimethylpyrazine ≥95%, FCC, FG

W327107

2,3-Dimethylpyrazine

2-Methylpyrazine ≥99%, FCC, FG

W330906

2-Methylpyrazine

solubility

H2O: soluble, diethyl ether: soluble, alcohols: soluble

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

400

Quality Level

400

Quality Level

400

bp

123-124 °C (lit.)

bp

115-116 °C (lit.)

bp

156 °C (lit.)

bp

135 °C/761 mmHg (lit.)

mp

19-22 °C (lit.)

mp

50-56 °C (lit.)

mp

-

mp

−29 °C (lit.)

refractive index

n20/D 1.504 (lit.)

refractive index

-

refractive index

n20/D 1.507 (lit.)

refractive index

n20/D 1.504 (lit.)

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.

accessory

Product No.
Description
Pricing

pictograms

FlameCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

93.2 °F - closed cup

flash_point_c

34 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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