 |
|
 |
| Producer, Manufacturer,
Supplier of |
| Chlorophenol Red |
|
|
 |
| GRR
Code : |
0538 |
|
| CAS No : |
4430-20-0 |
| CI No : |
|
| Molecular Formula
: |
C19H12Cl2O5S |
| Molecular Weight
: |
423.24 |
| Description
: |
Red crystalline powder · Solubility in alcohol 50 g/l ·pK: 6,0 ·
APPLICATIONS: pH indicator : 4,6 yellow - 7,0 purple |
| Website : |
|
| Synonyms : |
3,3-Dichlorophenolsulphonephthalein, C19H12Cl2O5S |
| Specifications
: |
| Specifications |
|
| Identity |
IR p/t. |
| l of max. ABS in NaOH 0,1 mol/l |
572-575 nm |
| A 1%, 1cm, lmax |
>1250 |
| T.L.C |
p/t. |
MAXIMUM LIMIT OF IMPURITIES |
|
| pH transition interval: |
|
| yellow |
4,6 |
| purple |
7,0 |
| Insoluble matter in C2H5OH |
p/t. |
| Loss on drying at 135°C |
8 % |
| Residue on ignition (as SO4) |
0,5 % | |
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| Packaging : |
| Weight Unit |
Weight |
Description |
Price |
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| GRR
Group© 2006. All rights reserved. |
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