CONGO RED INDICATOR PAPERS

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MOQ : 1 Kilograms

CONGO RED INDICATOR PAPERS Specification

Ph Level
N/A (indicator range: pH 3.0 to pH 5.0)

Solubility
Not soluble in water (paper form; dye soluble in water)

Grade
Laboratory Grade

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

Application
pH indicator in laboratories titrations and educational purposes

Melting Point
Not applicable (indicator paper is a solid mixture)

Taste
Tasteless

Molecular Formula
C32H22N6Na2O6S2 (for Congo Red dye)

Shape
Rectangular or custom shapes (strips or sheets)

Smell
Odorless

HS Code
38220090

Ingredients
Congo Red dye filter paper substrate

Purity
Dependent on Congo Red dye purity applied

Usage
Dip the paper in the solution for pH testing; observe color change

Appearance
Thin paper strips usually reddish in color

Physical Form
Sheets or strips of paper

CAS No
Not applicable for paper; Congo Red CAS No.: 573-58-0

Structural Formula
Specific to Congo Red dye applied on paper

EINECS No
N/A for paper; Congo Red EINECS No.: 209-358-4

Density
Gram per cubic centimeter(g/cm3)

Poisonous
NO

Molecular Weight
696.66 g/mol (for Congo Red dye)

Shelf Life
Up to 2 years when stored as recommended

Properties
Changes color from blue to red based on pH range

About CONGO RED INDICATOR PAPERS

Congo Red Indicator Papers are essential tools for pH testing in laboratories, titrations, and educational settings. These rectangular or custom-shaped sheets are odorless, tasteless, and non-poisonous, making them safe for handling. The paper strips are typically reddish in color and undergo a color change from blue to red within the pH range of 3.0 to 5.0. Stored in a cool, dry place, these laboratory-grade papers have a shelf life of up to 2 years. Comprising Congo Red dye on a filter paper substrate, these papers are not water-soluble and exhibit a molecular weight of 696.66 g/mol. Their precise molecular formula, C32H22N6Na2O6S2, ensures accurate pH testing results.