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Stains & pH Indicators - |
METHYL RED |
SPECIFCIATION
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PRODUCT
NAME |
METHYL
RED |
CAS NO.
|
493-52-7 |
C.I.NO. |
13020 |
CHEMICAL FORMULA |
C15H15N3O2 |
MOLECULAR WEIGHT
|
269.31 |
MELTING POINT |
179-182° C |
DYE CONTENT |
~95% |
ABSORPTION MAX(PH4.5)
|
523-526 NM |
ABSORPTION MAX(PH6.2)
|
430-434 NM |
ABSORPTIVITY(1%,1CM)PH
4.5 |
>1330 |
ABSORPTIVITY(1%,1CM)PH
6.2 |
>700 |
TRANSITION RANGE |
PH 4.2 - 6.2 RED - YELLOW |
LOSS ON DRYING (110
° C) |
< 5% |
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