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| Producer, Manufacturer,
Supplier of |
| Bromocresol Purple Sodium Salt |
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| GRR
Code : |
0420 |
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| CAS No : |
62625-30-3 |
| CI No : |
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| Molecular Formula
: |
C21H15Br2NaO5S |
| Molecular Weight
: |
562.22 |
| Description
: |
Dark green powder ˇ Soluble in water ˇ M. P.: 255 ēC (dec.) ˇ
APPLICATIONS: pH indicator: 5,2 greenish yellow; 6,8 purple
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| Website : |
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| Synonyms : |
5,5-Dibromo-o-Cresolsulphonephtalein Sodium salt , C21H15Br2NaO5S |
| Specifications
: |
| Specifications |
|
| Identity |
IR p/t. |
| l1 of max. ABS at pH 5,2 |
429-433 nm |
| l2 of max. ABS at pH 6,8 |
588-590 nm |
| A 1%, 1 cm, l1 max |
>300 |
| A 1%, 1 cm, l2 max |
>750 |
| T.L.C |
p/t. |
MAXIMUM LIMIT OF IMPURITIES |
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| pH transition interval: |
|
| greenish yellow |
5,2 |
| bluish purple |
6,8 |
| Cu |
0,005 % |
| Fe |
0,005 % |
| Ni |
0,005 % |
| Pb |
0,005 % | |
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| Packaging : |
| Weight Unit |
Weight |
Description |
Price |
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| GRR
Group© 2006. All rights reserved. |
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