ALIZARINE RED S |
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| HomeLaboratory ChemicalsAdsorption Indicators |
|
| Article No. |
00861 |
| Purity |
|
| Molecular
Formula |
C14H7NaO7S |
| H.S. Code |
3204.1200 |
| Grade |
AR |
| CAS No. |
130-22-3 |
| Molecular
Weight |
342.3 |
| Shelf Life |
5 | |
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| Specifications |
| Sodium Alizarine Sulphonate |
|
| C.I.No. 58005 |
|
| Dye Content |
Min 70.0% |
| Transition range |
|
| pH
4.3-6.3 |
Yellow-Pink |
| pH
9.4-12.0 |
Brown orange-Violet |
| Solubility 0.1% in water |
Clear solution |
| Absorption maxima in 0.1N NaOH |
553-559 nm |
| Absorption maxima in 0.1N NaOH |
592-599 nm |
| Absorptivity (A1%/1cm at 556 ) |
Min 350.0 |
| Absorptivity (A1%/1cm at 595 ) |
Min 325.0 |
| Loss on drying (110 degC) |
Max 5.0% | |
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| Safety Information
and Hazard Symbols |
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Symbol:
GHS07
Signal Word: Warning
Hazardous Statement:
H315-H319-H335
Precaution Statement: P261-P305 + P351
+ P338
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| Revision Date
: 1-Dec-2012 |
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