ERIOCHROME BLACK T Indicator grade

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ERIOCHROME BLACK T Indicator grade Specification

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

Grade
Indicator Grade

Purity
Typically >98% for indicator applications

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

Solubility
Partially soluble in water; better solubility in alcohol

Application
Complexometric titrations Water hardness testing

Molecular Formula
C20H12N3NaO7S

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

Ph Level
5.5 - 7.5 when dissolved in water

Poisonous
NO

CAS No
1787-61-7

Molecular Weight
461.38 g/mol

Shelf Life
2 years if stored under recommended conditions

HS Code
3204.12

EINECS No
217-250-3

Shape
Amorphous granular or powdered form

Smell
Odorless

Appearance
Black or dark brown powder

Density
Gram per cubic centimeter(g/cm3)

Melting Point
Not applicable (decomposes before melting)

Structural Formula
Available as a detailed diagram in chemical references.

Ingredients
Eriochrome Black T dye associated stabilizers.

Physical Form
Powder

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.