EVAN’S BLUE

EVAN’S BLUE

EVAN’S BLUE

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0 Metric Ton

Negotiable

  • Min.Order :0 Metric Ton
  • Purity: 89%

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Cas No 314-13-6 EVAN’S BLUE

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  • Appearance:Black powder
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PRODUCT NAME     :           EVAN’S BLUE      

CAS NO.                    :           314-13-6

C.I. NO.                       :           23860

Molecular Formula   :           C34H24N6 Na4O14S4

Formula Weight        :           960.82

Appearance               :           Black Powder

Structure                    :          

 

 

 

BATCH NO.               :           EVB-1911

Mfg Date                    :           Nov  2019

Exp Date                    :           Oct  2023

 

 TESTS                                               RESULTS                               STD /LIMIT

 

Appearance                                       Black powder                                    (passes test)

 

Solubility 0.1% (in dist. water)        Clear blue solution               (passes test)

 

Absorptivity 1%,1cm                       

(On dried substance)

at l max .609.0nm                          852                                          (>800)   

 

Dye content                                                  

(by spectrophotometry)                   88%                                         (< 85%)

 

Loss on drying (1100C)                    6.20%                                      (<10%)                       

 

 

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