A3970412
Eriochrome Blue Black B , Indicator , 3564-14-5
Synonym(s):
2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt;Eriochrome blue-black B (C.I. 14640)
CAS NO.：3564-14-5
Empirical Formula: C20H13N2NaO5S
Molecular Weight: 416.38
MDL number: MFCD00003934
EINECS: 222-639-6
| Pack Size | Price | Stock | Quantity |
| 25G | RMB127.20 | In Stock |
|
| 100G | RMB359.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| bulk density | 540kg/m3 |
| storage temp. | Store at +15°C to +25°C. |
| solubility | 20g/l |
| Colour Index | 14640 |
| form | Powder |
| color | Purple to dark brown |
| PH | 9.5 (10g/l, H2O, 20℃) |
| Water Solubility | Soluble in water(20 g/L (20 C). |
| λmax | 634-644 nm (buffer pH 10.0) |
| EPA Substance Registry System | C.I. Mordant Black 3 monosodium salt (3564-14-5) |
Description and Uses
Eriochrome is to do titration indicator. Dubbed in aqueous solution or alcohol-soluble when used for the determination of calcium, magnesium, manganese, zinc and other metal ions, measured water hardness.
