China supplier industrial grade CAS143 74 8 red powder of Phenol Red for resin

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Product Overview

Description


China supplier industrial grade CAS143-74-8 red powder of Phenol Red for resin


 



Product Description


 

























Product Name:Phenol Red
CAS:143-74-8
MF:C19H14O5S
MW:354.38
EINECS:205-609-7




















































Melting point 300 °C
Boiling point >300°C
density 1.445 Mg m-3
refractive index 1.5300 (estimate)
Fp >300°C
storage temp. Store at RT.
solubility 1 M NaOH: soluble1mg/mL
form Solid
pka7.9(at 25℃)
color Red
PH Range6.6(YELLOW)-8.0(RED)
Water Solubility 0.77 g/L


 





Specifications


 












































































Test



Specification



Result



PH transition interval



 1.2(orange)---3.0(yellow) 6.5 ( brownish yellow ) ---8.0(purplish red)



 1.2(orange)---3.0(yellow) 6.5 ( brownish yellow ) ---8.0(purplish red)



λ1(PH1.2)



 503---506



 503



λ2(PH 3.0)



 430---435



 435



λ3(PH 6.5)



 430---435



 430



λ4(PH 8.0)



 557---560



 558



 α1 (λ1,PH1.2,dry sample)



 110---123



 112.5



 α2 (λ2,PH 3.0,dry sample)



 60---68



 63.2



 α3(λ3,PH 6.5,dry sample)



 62---72



 65.5



α4 (λ4,PH 8.0,dry sample)



 115-130



 115.0



Solubility in alkali



pass



 PASS



Loss on drying ≤



1.0



0.5



ignition residue≤



0.2



0.2



Conclusion



 



PASS






Application Fields


Phenol Red/Phenolrde is used as fluorescence analysis of sulfur ions, test bromide, titration of chlorine, bromine and iodine. Adsorption indicator, redox indicator.





Packaging & Shipping


Packing: 1kg/bag, 25kg/fiber drum


Port: Qingdao, Shanghai


Delivery time: Around 7-10 working days


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Our Advantages


 


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Company Information


Shandong Baovi Energy Technology Co., LTD. (the Company), located in Jinan City, Shandong Province, was founded in 2003, and it is a raw material supplier for the global organic chemical industry.The Company also participates in the production of small quantity of high value-added chemicals and intermediates.


Our products include solvents, antifreeze, preservatives, pigment, chemicals intermediates, etc., widely used in agriculture,  food sanitation and other fields.


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FAQ


 


 


A, Do you supply FREE sample?


FREE sample is ok, but the sample delivery fee is on your side.


B, What's your payment term?


1, T/T, 30% prepaid, the balance 70% will be paid when the products are ready!


2, L/C


3, D/P


 


C, What's your delivery time?


Generally it is 3-7 working days after receiving your deposit.


D, How long have you been involved in this chemical field?


Since 2003. So we enjoy much experience, can take care your cargo very well!


 


E, Can you supply relative document?


Of course, we can supply MSDS, COA, CO, commerical invoice, packing list, B/L...


If your markets have any special requirements, pls just let me know freely! 


 


G, Do you accept third party inspecition?


Yes, we do!


 


We are service on 24 hours, any other questions, pls ask me freely!


 


 





Contact Details


Contact 




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