ChemicalBook > CAS DataBase List > 4,5-DICHLOROPYRIMIDINE

4,5-DICHLOROPYRIMIDINE

Product Name
4,5-DICHLOROPYRIMIDINE
CAS No.
6554-61-6
Chemical Name
4,5-DICHLOROPYRIMIDINE
Synonyms
4,5-DICHLOROPYRIMIDINE;PyriMidine,4,5-dichloro-;Pyrimidine, 4,5-dichloro- (7CI,8CI,9CI)
CBNumber
CB21010527
Molecular Formula
C4H2Cl2N2
Formula Weight
148.98
MOL File
6554-61-6.mol
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4,5-DICHLOROPYRIMIDINE Property

Boiling point:
82 °C(Press: 34 Torr)
Density 
1.493±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-1.41±0.16(Predicted)
Appearance
Colorless to light yellow Liquid
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Safety

HS Code 
2933599590
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
D438315
Product name
4,5-Dichloropyrimidine
Packaging
50mg
Price
$45
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD12030
Product name
4,5-Dichloropyrimidine
Packaging
100mg
Price
$80
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD12030
Product name
4,5-Dichloropyrimidine
Packaging
1g
Price
$400
Updated
2021/12/16
Matrix Scientific
Product number
072918
Product name
4,5-Dichloropyrimidine
Purity
95+%
Packaging
5g
Price
$444
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
NUC0001073
Product name
4,5-DICHLOROPYRIMIDINE
Purity
95.00%
Packaging
250MG
Price
$449
Updated
2021/12/16
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4,5-DICHLOROPYRIMIDINE Chemical Properties,Usage,Production

Synthesis

197228-37-8

6554-61-6

The general procedure for the synthesis of 4,5-dichloropyrimidine from the compound (CAS:197228-37-8) is as follows: 112.5 g (673.7 mmol) of 5-chloro-6-oxo-1,6-dihydropyrimidin-1-ium chloride was mixed with 1.6 mL of dimethylamine in 630 mL of phosphorochloride. The reaction mixture was heated to reflux for 3 hours. Upon completion of the reaction, the excess phosphorus trichloride was removed by distillation under reduced pressure. After the reaction mixture was cooled, it was slowly poured into 1.5 L of ice water. The aqueous phase was extracted with 500 mL of dichloromethane, and the organic phases were combined and dried with anhydrous sodium sulfate. Finally, the organic phase was concentrated by decompression to give 72.3 g of 4,5-dichloropyrimidine in 66.3% yield.

References

[1] Patent: US2007/179295, 2007, A1
[2] Patent: US2007/275985, 2007, A1
[3] Patent: US2007/37828, 2007, A1
[4] Patent: WO2004/113342, 2004, A1. Location in patent: Page/Page column 49
[5] Patent: WO2005/851, 2005, A1. Location in patent: Page/Page column 59

4,5-DICHLOROPYRIMIDINE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4,5-DICHLOROPYRIMIDINE manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
4,5-Dichloropyrimidine 6554-61-6
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20T
Release date
2020-05-15
Career Henan Chemical Co
Product
4,5-DICHLOROPYRIMIDINE 6554-61-6
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2019-12-19

6554-61-6, 4,5-DICHLOROPYRIMIDINERelated Search:

2,4,5,6-TETRACHLOROPYRIMIDINE N-(2-Amino-4,6-dichloro-5-pyrimidinyl)formamide 4-BROMO-3,5-DICHLOROPYRIDINE (3,5-DICHLOROPYRIDIN-2-YL)METHANOL 2,5-Diamino-4,6-dihydroxypyrimidine hydrochloride 4,6-Dichloro-2-(methylthio)pyrimidine 2,4-Dichloro-5-fluoropyrimidine 2,5-DICHLOROPYRIMIDINE,PURITY:95% MIN(HPLC) 2,4-dichloro-5-formylpyrimidine 4,6-Dimethyl-2-methylsulfonylpyrimidine 2,5-Diamino-4,6-dichloropyrimidine hydrochloride 2-ETHOXY-4,6-DICHLOROPYRIMIDINE 2,6-Dichloropyridin-3-amine 5-Iodo-2,4-dichloropyrimidine 2,5-DIAMINO-4,6-DICHLOROPYRIMIDINE 98+% 2,4-Dichloropyrimidine, 98+%,2,4-DICHLOROPYRIMIDINE,2-4-DICHLOROPYRIMIDINE CRYSTALLINE,2,4-Dichloropyrimidine, GC 97% Methyl 4,6-dichloropyrimidine-2-carboxylate 4,6-Dichloropyrimidine ,98%,4 6-DICHLOROPYRIMIDINE 99%

  • 4,5-DICHLOROPYRIMIDINE
  • Pyrimidine, 4,5-dichloro- (7CI,8CI,9CI)
  • PyriMidine,4,5-dichloro-
  • 6554-61-6
  • Heterocycle-Pyrimidine series
  • PYRIMIDINE