FEHLING'S SOLUTION NO.2

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FEHLING'S SOLUTION NO.2 Specification

Structural Formula
C4H4KNaO6·4H2O

Shelf Life
Typically 1 year if stored properly

Application
Analytical reagent for detecting reducing sugars

CAS No
6381-59-5

HS Code
3822.00

Melting Point
Decomposes before melting

Ingredients
Potassium sodium tartrate water

Properties
Blue liquid (when prepared); reacts with reducing sugars to form a red precipitate of copper(I) oxide.

Storage
Store in a cool dry place protected from light and in tightly closed containers.

Grade
Laboratory grade

Poisonous
YES

Molecular Weight
248.22 g/mol

Density
Gram per cubic centimeter(g/cm3)

Shape
Not applicable (liquid form)

EINECS No
205-633-8 (primary component)

Molecular Formula
C4H4KNaO6·4H2O

Physical Form
Liquid (in prepared solution form)

Smell
Odorless

Appearance
Blue liquid in typical solution

Purity
Reagent grade (varies depending on supplier)

Ph Level
Approximately 7-9 (slightly basic; depending on preparation)

Usage
Used in chemical and biological laboratories to test for the presence of aldehydes or reducing sugars such as glucose.

Solubility
Soluble in water

About FEHLING'S SOLUTION NO.2

FEHLINGS SOLUTION NO.2 is a laboratory-grade analytical reagent used to detect reducing sugars like glucose. It is an odorless, blue liquid solution that reacts with reducing sugars to produce a red precipitate of copper(I) oxide. With a molecular formula of C4H4KNaO64H2O and a molecular weight of 248.22 g/mol, this solution is stored in tightly closed containers, soluble in water, and has a shelf life of approximately 1 year when stored correctly. Its slightly basic pH level of 7-9 makes it a reliable tool in chemical and biological laboratories for testing the presence of aldehydes or reducing sugars. Safety caution: it is poisonous and should be handled with care.