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Thermo Scientific Chemicals Eriochrome Black T
CAS: 1787-61-7 | C20H12N3NaO7S | 461.38 g/mol
$69.73 - $250.67
Chemical Identifiers
| CAS | 1787-61-7 |
|---|---|
| Molecular Formula | C20H12N3NaO7S |
| Molecular Weight (g/mol) | 461.38 |
| MDL Number | MFCD00003935 |
| InChI Key | JHUJLRKQZAPSDP-GXTSIBQPSA-M |
| Synonym | C.I. 14645; Mordant Black 11 |
| PubChem CID | 87355429 |
| SMILES | [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
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AAA1753622
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Thermo Scientific Chemicals
A1753622 |
100 g |
Each for $69.73
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AAA1753636
|
Thermo Scientific Chemicals
A1753636 |
500 g |
Each for $250.67
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Description
Eriochrome black T is used as an indicator in analytical chemistry. It is also used in the detection of rare earth metals. It finds application in dyeing and printing of wool fabric, dyeing of silk and nylon as well as in leather dyeing. It can be used in the spectrophotometric determination of diphenhydramine hydrochloride in pharmaceutical preparations. As a complexometric indicator, it is useful in the determination of hardness of water.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
ApplicationsEriochrome black T is used as an indicator in analytical chemistry. It is also used in the detection of rare earth metals. It finds application in dyeing and printing of wool fabric, dyeing of silk and nylon as well as in leather dyeing. It can be used in the spectrophotometric determination of diphenhydramine hydrochloride in pharmaceutical preparations. As a complexometric indicator, it is useful in the determination of hardness of water.
Solubility
Soluble in water. Slightly soluble in alcohol and acetone.
Notes
Incompatible with strong oxidizing agents and strong reducing agents.
Chemical Identifiers
| 1787-61-7 | |
| 461.38 | |
| JHUJLRKQZAPSDP-GXTSIBQPSA-M | |
| 87355429 |
| C20H12N3NaO7S | |
| MFCD00003935 | |
| C.I. 14645; Mordant Black 11 | |
| [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O |
Specifications
| 1787-61-7 | |
| MFCD00003935 | |
| 14,3667 | |
| Soluble in water. Slightly soluble in alcohol and acetone. | |
| [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O | |
| 461.38 | |
| 461.39 | |
| Eriochrome Black T |
| C20H12N3NaO7S | |
| 4121162 | |
| C.I. 14645; Mordant Black 11 | |
| JHUJLRKQZAPSDP-GXTSIBQPSA-M | |
| (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium | |
| 87355429 | |
| 100 g |
Safety and Handling
GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c
H319-H336-H500
EINECSNumber : 217-250-3
RTECSNumber : QK2197000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only