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5-Methylpyrimidine

5-Methylpyrimidine structure

CAS No:
2036-41-1
Formula:
C5H6N2
Chemical Name:
5-Methylpyrimidine
Synonyms:
Pyrimidine,5-methyl-;5-Methylpyrimidine;5-Methyl-1,3-diazine
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

Crystalline Solid

5-Methylpyrimidine Basic Attributes

Molecular Weight：

94.11

Exact Mass：

94.11

BRN：

105684

EC Number：

218-006-9

DSSTox ID：

DTXSID2062115

HScode：

2933599090

Characteristics

PSA：

25.8

XLogP3：

Appearance：

crystalline solid

Density：

1.0±0.1 g/cm3

Melting Point：

30.5 °C

Boiling Point：

153 °C

Flash Point：

53°C

Refractive Index：

1.503

Storage Conditions：

-20°C Freezer

Vapor Pressure：

4.359mmHg at 25°C

Safety Information

Packing level：

Ⅲ

Hazard category：

4.1

Transport codes：

1993

wgk germany：

hazard class code：

10-36/37/38-22-11-2017/11/22

safety instructions：

26-36-36/37

Marks：

Xi,F,Xn

Hazard note：

Irritant/Flammable

Precautionary statement(s)：

P210

Hazard Statements：

H228-H302

GHS Classification：

|Warning|H228 (95.45%): Flammable solid [Danger Flammable solids]|P210, P240, P241, P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, and P501|Aggregated GHS information provided by 44 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

5-Methylpyrimidine Use and Manufacturing

Methods of Manufacturing

(2) Synthesis of 5-methylpyrimidine:85.0 g (1.0 mol) of 3-amino-2-alkylpropenal, 54g (1.2mol) of formamide and2.0g of piperidine acetate addedWith a blender, Reflux condenser and a thermometer 500ml reaction flask, Warming up to 125 ° C, Continue to react for 12 to 14 hours;Then cool to room temperature, Extract with chloroform, wash with water, Dry over magnesium sulfate and concentrate;Vacuum distillation, Fractions were collected 82.7g 65 ~ 66 / 10mmHg, andYield 88percent;

Manufacturing Info：

Pyrimidine, 5-methyl-: INACTIVE

Computed Properties

Molecular Weight:94.11
Hydrogen Bond Acceptor Count:2
Exact Mass:94.053098200
Monoisotopic Mass:94.053098200
Topological Polar Surface Area:25.8
Heavy Atom Count:7
Complexity:48
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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