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| Producer, Manufacturer,
Supplier of |
| Alizarin Yellow R |
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| GRR
Code : |
0280 |
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| CAS No : |
2243-76-7 |
| CI No : |
14030 |
| Molecular Formula
: |
C13H8N3NaO5 |
| Molecular Weight
: |
30922 |
| Description
: |
Brown powder · Soluble in water ·
APPLICATIONS: pH indicator: 1,9 - 3,3 red-yellow ; 10,1 - 12,1 yellow-orange red
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| Website : |
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| Synonyms : |
5-(4-Nitrophenylazo) Salicylic Acid Sodium salt, Mordant Orange 1, C13H8N3NaO5 |
| Specifications
: |
| Specifications |
|
| Identity |
IR p/t. |
| l of max. ABS in NaOH 0,1 mol/l |
490-496 nm |
| A 1%, 1 cm, lmax |
>725 |
| T.L.C |
p/t. |
MAXIMUM LIMIT OF IMPURITIES |
|
| pH transition interval: |
|
| Yellow |
10,1 |
| Orange-red |
12,1 |
| Insoluble matter in H2O |
p/t. |
| Loss on drying at 135°C |
10 % | |
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| Packaging : |
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Weight |
Description |
Price |
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| GRR
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