ERIOCHROME BLACK T AR-ACS

ERIOCHROME BLACK T AR-ACS

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Product Details:

Usage Typically used to identify calcium magnesium and other metal ions in complexometric analysis.
CAS No 1787-61-7
Purity Approximately 95%
Appearance Dark violet or black powder
Poisonous NO
Physical Form Powder
Ingredients Principal ingredient: Eriochrome Black T indicator dye
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ERIOCHROME BLACK T AR-ACS Price And Quantity

ERIOCHROME BLACK T AR-ACS Product Specifications

Poisonous NO
Appearance Dark violet or black powder
HS Code 32050000
Solubility Soluble in water and ethanol
Physical Form Powder
Ingredients Principal ingredient: Eriochrome Black T indicator dye
CAS No 1787-61-7
Usage Typically used to identify calcium magnesium and other metal ions in complexometric analysis.
Storage Store in a cool dry place away from moisture and direct sunlight
Purity Approximately 95%
Shelf Life 2 years under proper storage conditions
Ph Level 6.4-7.8 (in solution)
EINECS No 217-250-3
Taste Not applicable or tasteless
Melting Point 190-200C (decomposes)
Smell Odorless
Shape Amorphous powder
Properties Stable under recommended conditions shows color change under different pH levels during titration
Molecular Weight 461.38 g/mol
Density Gram per cubic centimeter(g/cm3)
Structural Formula C20H12N3NaO7S (see specific diagrams for full structural formula)
Molecular Formula C20H12N3NaO7S
Grade AR-ACS (Analytical Reagent - American Chemical Society standards)
Application Used as an indicator in complexometric titrations

Product Description

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.

FAQs of ERIOCHROME BLACK T AR-ACS:

Q: What is the primary application of Eriochrome Black T AR-ACS?

A: It is primarily used as an indicator in complexometric titrations to identify metal ions like calcium and magnesium.

Q: Is Eriochrome Black T AR-ACS poisonous?

A: No, it is not poisonous.

Q: What is the molecular weight of Eriochrome Black T AR-ACS?

A: The molecular weight of Eriochrome Black T AR-ACS is 461.38 g/mol.

Q: What is the storage recommendation for Eriochrome Black T AR-ACS?

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

Q: What is the solubility of Eriochrome Black T AR-ACS?

A: Eriochrome Black T AR-ACS is soluble in both water and ethanol.

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