METHYL RED
(CH3)2N.C6H4.N:NC6H4.COOH

MW 269. 3
   

C.I.  13020
 

  
 Specifications

ACS
 

APPEARANCE

:

REDDISH BROWN  POWDER

CLARITY OF  SOLUTION

:

 PASSES TEST

VISUAL TRANSITION INTERVAL

:

 FROM pH 4.5 ( RED VIOLET) TO pH 6.2 ( BROWNISH YELLOW)

ABSORPTION MAX ( pH 4.5 )

:

 523-526 nm

( pH 6.2 ) 

:

 427-437 nm

ABSORPTIVITY  1%/1 CM ON DRIED MATERIAL

:

  

( Ph 4.5  )

:

 1380-1480

( pH  6.2 )

:

 700-800

LOSS ON DRYING AT 100 deg C

:

 Max  5%

PACKING

:

25 KG HDPE DRUM

UN HAZARD CODE 

:

 NR

CAS #

:

493-52-7
 
 Applications


MICROSCOPICAL STAINING.
 

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