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Pyrimethamine
Pyrimethamine

Pyrimethamine

Price USD235.00
Packge 25KG
  • Min. Order:25KG
  • Supply Ability:1-10mt
  • Time:2022-03-18

Product Details

  • Product NamePyrimethamine
  • CAS No.58-14-0
  • EINECS No.200-364-2
  • MFC12H13ClN4
  • MW248.71
  • AppearanceneatWhite to Off-White
  • Water Solubility <0.01 g/100 mL at 21 ºC
  • Melting point 233-234°C
  • storage temp. Keep in dark place,Inert atmosphere,Room temperature
  • Boiling point 393.35°C (rough estimate)
  • density 1.2171 (rough estimate)

Melting point  233-234°C 

Boiling point  393.35°C (rough estimate) 

density  1.2171 (rough estimate) 

refractive index  1.6110 (estimate) 

storage temp.  0-6°C 

solubility  Prepare the solution immediately before use. Dissolve 0.25 g in a mixture of 1 volume of methanol R and 3 volumes of methylene chloride R and dilute to 10 mL with the same mixture of solvents. The solution is clear (2.2.1) and not more intensely coloured than reference solution BY6 (2.2.2, Method II). 

form  neat 

pka pKa 7(t=20.0) (Uncertain) 

Water Solubility  <0.01 g/100 mL at 21 ºC 


Company Profile Introduction

Baoji Guokang Bio-Technology Co., Ltd. has a subsidiary, Baoji Guokang Health Chemical Technology Co., Ltd.It is located in Baoji High-tech Zone,with epitomizing international, cooperative and honest. We are a young company full of action and energy, our profession improves us rapid progress, which satisfy our clients both in home and abroad. We are specialized in API's intermediates, fine chemicals and plant extracts.We toughly insist on that quality is always the most important item not only for us, but also for our clients. It is believed that we could be considered as the most powerful man in the area of ​​chemicals with combined strength in R&D and Marketing. We are a "customer first" company and believe that our success depends on double-wins.our customers are from more than 160 countries worldwide ,we work closely with every customer to support high quality business service. Our target purpose is "provide favorable value,convenient and flexible solutions for you."we promise: reasonable prices, short supplying period and satisfactory after-sales service. Buyers are welcome to contact us !

  • Since:2008-05-08
  • Address: No.10,the 4th road of High-tech zone, Baoji City, Shaan’xi province, Mainland China
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