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) |
| InChI | 1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,21,24H,(H,25,26,27);/q;+1/p-1/b22-19-; |
| InChIKey | YRFCCVCSEVISHI-GXTSIBQPSA-M |
| SMILES | [Na+].[S](=O)(=O)([O-])C1=CC(=O)\C(=N/Nc3c(c4c(cc3)cccc4)O)\c2c1cccc2 |
| 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.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313 |
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 26-39 |
| WGK Germany | 3 |
| RTECS | QK2195000 |
| TSCA | TSCA listed |
| HS Code | 32041900 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg |
