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| PHENOL RED SODIUM
SALT |
| SPECIFCIATION
|
| PRODUCT
NAME |
PHENOL
RED SODIUM SALT |
| CAS NUMBER
|
34487-61-1 |
| MOLECULAR FORMULAE |
C19H13SO5 Na |
| MOL WEIGHT |
376.36gm/mole |
TRANSITION RANGE
|
|
| PH 1.2-3.0 |
BROWNISH ORANGE- YELLOW |
| PH 6.5-8.2 |
YELLOW-REDDISH VIOLET |
| ABSORPTION MAXIMUM (PH
1.2) ?1 MAX |
503-506 nm |
| ABSORPTION MAXIMUM (PH
3.0) ?2 MAX |
430-435 nm |
| ABSORPTION MAXIMUM (PH
6.5) ?3 MAX |
430-435 nm |
| ABSORPTION MAXIMUM (PH
8.2) ?4 MAX |
557-560 nm |
| ABOSRPTIVITY (A1%/1CM,
AT PH 1.2, AT ?1 MAX ) |
880-950 |
| ABOSRPTIVITY (A1%/1CM,
AT PH 3.0, AT ?2 MAX ) |
560-620 |
| ABOSRPTIVITY (A1%/1CM,
AT PH 6.5, AT ?3 MAX ) |
560-620 |
| ABOSRPTIVITY (A1%/1CM,
AT PH 8.2, AT ?4 MAX ) |
970-1100 |
| LOSS ON DRYING AT 1100C |
< 5% |
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Profile
