ERIOCHROME BLACK T Indicator grade

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ERIOCHROME BLACK T Indicator grade Specification

Purity
Typically >98% for indicator applications

Usage
Used as an indicator in analytical chemistry for detecting metal ions.

Properties
Synthetic azo dye with an affinity for divalent metal ions.

Appearance
Black or dark brown powder

Application
Complexometric titrations Water hardness testing

Physical Form
Powder

Storage
Store in a cool dry place away from light and moisture.

CAS No
1787-61-7

Smell
Odorless

Grade
Indicator Grade

Molecular Weight
461.38 g/mol

Melting Point
Not applicable (decomposes before melting)

Poisonous
NO

Ingredients
Eriochrome Black T dye associated stabilizers.

Solubility
Partially soluble in water; better solubility in alcohol

HS Code
3204.12

Molecular Formula
C20H12N3NaO7S

Ph Level
5.5 - 7.5 when dissolved in water

Shelf Life
2 years if stored under recommended conditions

Shape
Amorphous granular or powdered form

Structural Formula
Available as a detailed diagram in chemical references.

EINECS No
217-250-3

Density
Gram per cubic centimeter(g/cm3)

About ERIOCHROME BLACK T Indicator grade

Eriochrome Black T Indicator Grade is a black or dark brown amorphous granular or powdered substance primarily used in complexometric titrations and water hardness testing. It serves as an indicator in analytical chemistry, detecting metal ions due to its synthetic azo dye properties with an affinity for divalent metal ions. With a purity of typically over 98%, it is partially soluble in water and more soluble in alcohol. This product has a shelf life of 2 years when stored under recommended conditions and a pH level ranging from 5.5 to 7.5 when dissolved in water. Eriochrome Black T is structurally represented by the molecular formula C20H12N3NaO7S, with a molecular weight of 461.38 g/mol.