ERIOCHROME BLACK T Indicator grade

ERIOCHROME BLACK T Indicator grade

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ERIOCHROME BLACK T Indicator grade

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ERIOCHROME BLACK T Indicator grade Specification

CAS No
1787-61-7

Molecular Weight
461.38 g/mol

Smell
Odorless

EINECS No
217-250-3

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

Molecular Formula
C20H12N3NaO7S

Density
Gram per cubic centimeter(g/cm3)

Ingredients
Eriochrome Black T dye associated stabilizers.

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

Shelf Life
2 years if stored under recommended conditions

Appearance
Black or dark brown powder

Ph Level
5.5 - 7.5 when dissolved in water

Structural Formula
Available as a detailed diagram in chemical references.

Poisonous
NO

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

Grade
Indicator Grade

Solubility
Partially soluble in water; better solubility in alcohol

Application
Complexometric titrations Water hardness testing

Purity
Typically >98% for indicator applications

Physical Form
Powder

Shape
Amorphous granular or powdered form

Melting Point
Not applicable (decomposes before melting)

HS Code
3204.12

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.

FAQs of ERIOCHROME BLACK T Indicator grade:

Q: What is the primary application of Eriochrome Black T Indicator Grade?

A: Eriochrome Black T is primarily used as an indicator in analytical chemistry for detecting metal ions.

Q: How should Eriochrome Black T be stored?

A: It should be stored in a cool dry place away from light and moisture.

Q: Is Eriochrome Black T poisonous?

A: No, Eriochrome Black T is not poisonous.

Q: What is the solubility of Eriochrome Black T?

A: Eriochrome Black T is partially soluble in water and exhibits better solubility in alcohol.

Q: What is the molecular formula of Eriochrome Black T?

A: The molecular formula of Eriochrome Black T is C20H12N3NaO7S.

ERIOCHROME BLACK T Indicator grade

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