ERIOCHROME BLACK T AR-ACS

Get a Price/Quote

ERIOCHROME BLACK T AR-ACS Specification

Molecular Formula
C20H12N3NaO7S

Shelf Life
2 years under proper storage conditions

Poisonous
NO

Solubility
Soluble in water and ethanol

Density
Gram per cubic centimeter(g/cm3)

Structural Formula
C20H12N3NaO7S (see specific diagrams for full structural formula)

Shape
Amorphous powder

EINECS No
217-250-3

Grade
AR-ACS (Analytical Reagent - American Chemical Society standards)

Storage
Store in a cool dry place away from moisture and direct sunlight

Appearance
Dark violet or black powder

Usage
Typically used to identify calcium magnesium and other metal ions in complexometric analysis.

HS Code
32050000

CAS No
1787-61-7

Properties
Stable under recommended conditions shows color change under different pH levels during titration

Molecular Weight
461.38 g/mol

Physical Form
Powder

Taste
Not applicable or tasteless

Ph Level
6.4-7.8 (in solution)

Smell
Odorless

Application
Used as an indicator in complexometric titrations

Purity
Approximately 95%

Melting Point
190-200C (decomposes)

Ingredients
Principal ingredient: Eriochrome Black T indicator dye

About ERIOCHROME BLACK T AR-ACS

Eriochrome Black T AR-ACS is a dark violet or black amorphous powder used as an indicator in complexometric titrations to identify calcium, magnesium, and other metal ions. With a purity of approximately 95%, this Analytical Reagent grade powder is soluble in water and ethanol, exhibiting stable properties under recommended conditions. Its molecular formula C20H12N3NaO7S and molecular weight of 461.38 g/mol make it ideal for precise titration procedures, where it shows distinct color changes at different pH levels. It has a shelf life of 2 years when stored correctly.