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| Producer, Manufacturer,
Supplier of |
| Hematoxylin |
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| GRR
Code : |
0762 |
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| CAS No : |
517-28-2 |
| CI No : |
75290 |
| Molecular Formula
: |
C16H14O6.xH2O |
| Molecular Weight
: |
302.29 |
| Description
: |
White to creamy-white powder ·Solubility in water 10 g/l . In alcohol 30 g/l · M. P.: 200 °C dec. ·
APPLICATIONS: Analytical reagent: pH indicator: 5,0 yellow - 7,2 red-violet · Indicator for complexometric titrations · Determination of aluminium in soil extracts · Nuclear stain for animal tissues , especially embryos and kidneys with eosin yellowish ; Nuclear stain used for cytology and histology. Used in the Papanicolaou procedure for the diagnosis of vaginal cancer
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| Website : |
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| Synonyms : |
Natural Black 1, CI 75290, C16H14O6.xH2O |
| Specifications
: |
| Specifications |
|
| Identity |
IR p/t. |
| l of max. ABS at pH 11,3 |
490-500 nm |
| A 1%, 1cm, lmax |
>525 |
| T.L.C |
p/t. |
MAXIMUM LIMIT OF IMPURITIES |
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| pH transition interval: |
|
| yellow |
5,0 |
| violet red |
7,2 |
| Loss on drying at 135°C |
10 % |
| Residue on ignition (as SO4) |
0,5 % |
| Cu |
0,005 % |
| Fe |
0,005 % |
| Ni |
0,005 % |
| Pb |
0,005 % | |
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Weight |
Description |
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| GRR
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