Eriochrome blue-black R, C.I. 15705, 2-Hydroxy-1-(2-hydroxy-1-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 50 g :: Glass bottle | NE00350050 | Check availability | Buy |
Characteristic
Volume : x 50 g
- Synonyms: 2-Hydroxy-1-(2-hydroxy-1-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
- C20H13N2NaO5S
- M = 416,39 g/mol
- CAS [2538-85-4]
- EINECS-No.: 219-810-2
- Solub. in water: (20 ºC): ~ 20 g/l
- Tariff number: 2927 00 00 90
- Applications: analytical chemistry, indicator (metals).
SPECIFICATIONS
Absorption maximum l (pH 12,2) : 632 - 636 nm
0,0015%, pH 12,2 on dried sample): 200 - 300
titration : passes test
loss on drying (110 ºC): max. 10 %
Technical documentation
TDS / Technical data sheet
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