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Eriochrome Black T

Name: Eriochrome Black T
Brand: ARNISH LABORATES PRIVATE LIMITED.
Price: 1 INR
Availability: InStock

Price 1 INR/ Kilograms

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MOQ : 25 Kilograms

Eriochrome Black T Specification

Application
Mainly used as an indicator in complexometric titrations to determine water hardness (Ca2+, Mg2+) with EDTA.

Shape
Crystalline powder

Molecular Weight
461.38 g/mol

Poisonous
Yes (Hazardous if ingested or inhaled)

Smell
Odorless

Ingredients
Disodium salt of 1-(1-hydroxy-2-naphthylazo)-2-naphthol-4-sulfonic acid

Ph Level
Stable in a range of pH 7-11 (as indicator solution)

Storage
Store in a tightly closed container, protected from moisture and light, in a cool, dry place.

Usage
Dissolve required amount in water or ethanol for titrimetric and analytical applications.

Melting Point
>300 °C (decomposes)

Solubility
Soluble in water

HS Code
3204

Density
1.74 Gram per cubic centimeter(g/cm3)

EINECS No
217-250-3

Purity
>85%

Shelf Life
24 months (when properly stored)

Appearance
Dark violet to black powder

Physical Form
Powder

Molecular Formula
C20H12N3NaO7S

Structural Formula
[Image or structure of Eriochrome Black T]

Grade
Technical/Laboratory Grade

Properties
Forms intensely colored complexes with metal ions (notably Ca2+ and Mg2+). Used primarily as an indicator for complexometric titrations.

CAS No
1787-61-7

Product Type
Laboratory Chemical / Complexometric Indicator

Stability
Stable under normal conditions, light sensitive

Disposal
Dispose of in accordance with local regulations for chemicals

Compatibility
Compatible with common EDTA titration reagents

Synonyms
Solochrome Black T, Mordant Black 11

Hazard Statement
Irritant, use personal protective equipment

pH Indicator Range
6.8 (red) to 11.4 (blue)

Packaging
Supplied in sealed HDPE bottles, 25g/100g/500g packs

Regulatory
Conforms to applicable laboratory chemical standards

Color Change
Wine red to blue

Eriochrome Black T Trade Information

Minimum Order Quantity
25 Kilograms

Supply Ability
100 Kilograms Per Week

Delivery Time
1 Week

About Eriochrome Black T

We are an unparalleled name engaged in offering premium quality ERIOCHROME BLACK T . Under most favorable conditions, it is processed by our deft professionals using excellent quality chemicals at our advanced processing unit. The offered chemical is widely used in coloration of nucleic acids. Moreover, we offer this ERIOCHROME BLACK T in different packaging options as per the needs of clients at nominal rates.

Features:

Accurate pH value
High effectiveness
Non-toxic nature
Longer shelf life

Reliable Indicator for Water Hardness Analysis

Eriochrome Black T provides dependable performance in complexometric titrations, especially for measuring calcium and magnesium ions in water. Its pronounced color change and compatibility with standard EDTA reagents make laboratory analyses straightforward and accurate. Simply dissolve in water or ethanol for quick preparation of indicator solutions.

Quality and Safety Compliant Packaging

Each batch is packed in sealed HDPE bottles to preserve stability and purity. Available in 25g, 100g, and 500g packs, the powder remains stable for 24 months when stored tightly closed, protected from light and moisture, and kept in a cool, dry space. Adhering to laboratory chemical standards ensures safe and consistent results.

Expert Guidance for Safe Application

While highly effective, Eriochrome Black T is classified as an irritant and hazardous if inhaled or ingested. Always use personal protective equipment (PPE) during handling. For disposal, comply with local chemical waste regulations. Proper storage and handling safeguard both users and the integrity of the product.

FAQs of Eriochrome Black T :

Q: How is Eriochrome Black T used in titration procedures?

A: Eriochrome Black T acts as a visual indicator in complexometric titrations, especially for determining water hardness. Dissolve the required amount in water or ethanol to prepare the indicator solution. When used with EDTA, it transitions from wine red to blue, signaling the completion of the titration.

Q: What are the benefits of using Eriochrome Black T in laboratory analyses?

A: The main advantages include its sharp and distinct color transition, high compatibility with common EDTA titration reagents, and reliable stability under typical storage conditions. These factors ensure accurate determination of calcium and magnesium ions in water samples.

Q: When and where should Eriochrome Black T be stored for optimal performance?

A: Store the indicator powder in a tightly sealed, light-protected HDPE container, away from moisture, in a cool, dry environment. Under these conditions, Eriochrome Black T will remain stable for up to 24 months.

Q: What safety precautions should be observed while handling Eriochrome Black T?

A: Since the compound is an irritant and hazardous if ingested or inhaled, users should always wear appropriate personal protective equipment such as gloves, goggles, and lab coats during handling. Work in a well-ventilated area and avoid direct contact with skin or eyes.

Q: What is the disposal process for Eriochrome Black T?

A: Dispose of Eriochrome Black T in accordance with local regulations governing chemical waste. Do not pour down the drain or dispose of with regular garbage, as improper disposal can pose environmental and health hazards.

Q: Which specific reactions make Eriochrome Black T suitable for water hardness determination?

A: Eriochrome Black T forms intensely colored complexes with calcium (Ca2+) and magnesium (Mg2+) ions, enabling clear visual identification during EDTA titrations. The color change from wine red to blue indicates the endpoint, facilitating precise analysis.

Q: What packaging options are available for Eriochrome Black T?

A: Eriochrome Black T is supplied in sealed high-density polyethylene (HDPE) bottles, with packaging sizes of 25g, 100g, and 500g. This ensures long-term stability, purity retention, and user safety during transportation and storage.

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