CONGO RED INDICATOR For Microscopy |
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HomeLaboratory ChemicalsAdsorption Indicators |
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SYNONYMS : CONGO RED 4B, COSMOS RED, COTTON RED B, COTTON RED C, DIRECT RED 28, DIRECT RED R, DIRECT RED Y
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Article No. |
02930 |
Grade |
For Microscopy |
Purity |
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CAS No. |
573-58-0 |
Molecular Formula |
C32H22N6Na2O6S2 |
Molecular Weight |
696.65 |
H.S. Code |
3204.1400 |
Shelf Life |
5 Years |
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C.I.No.22120 |
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Specifications |
Appearance |
Brownish red powder |
Description |
Brownish red powder |
Appearance of solution (1.0 g/l; water) |
almost clear to slightly turbid , red solution |
Transition range at pH 3.0 to pH 5.2 |
Violet to orange red |
Loss on drying at 110°C |
Max 5.0% |
Sensitivity test |
Passes test |
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Packings |
00025 25 g |
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00100 100 g |
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01000 1000 g |
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Safety Information
and Hazard Symbols |
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Symbol: GHS08 Signal Word: Danger Hazardous Statement: H350-H361d Precaution Statement: P201-P281-P308 P313 |
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Revision Date
: 23-Aug-2013 |
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