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PHENOLPHTHALEIN INDICATOR

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MOQ : 1 Gram

PHENOLPHTHALEIN INDICATOR Specification

Storage
Store in a cool, dry place, tightly closed

Smell
Odorless

Other Names
3,3-Bis(4-hydroxyphenyl)phthalide

Purity
99% (typical for lab indicator)

Boiling point
Not applicable (decomposes)

Density
1.2 Gram per cubic centimeter(g/cm3)

Solubility
Slightly soluble in water, soluble in alcohol and ether

Molecular Weight
318.32 g/mol

Taste
Not specified, not for consumption

Melting Point
258 - 263C

Structural Formula
C20H14O4 (Phthalide core with two phenol groups)

Ph Level
Colorless below pH 8.2, pink above pH 8.2-10.0

Shape
Liquid (solution), solid (powder)

HS Code
3822

Form
Liquid (indicator solution)

Molecular Formula
C20H14O4

Poisonous
Yes

Classification
Organic compound, pH indicator

Chemical Name
Phenolphthalein

CAS No
77-09-8

EINECS No
201-004-7

Grade
Laboratory Grade

Standard
Meets ACS or analytical reagent standards

Type
Chemical Indicator

Usage
Indicator for acid-base titrations

Main Material
Phenolphthalein Solution

Application
Used as a pH indicator in titrations, laboratory reagent

Sensitivity
Distinct colour change within pH range

Appearance
Colourless to pale pink liquid (as indicator solution)

Concentration
Usually 1% solution in ethanol

Precaution
Avoid contact with skin and eyes; use gloves and goggles

Shelf Life
2 years from date of manufacture

Stability
Stable under recommended storage conditions

Packaging
Supplied in HDPE or glass bottles

Colour Change
Colourless in acidic; pink in alkaline

Disposal
Dispose as per local environmental regulations

pKa
Approx. 9.7

Compatibility
Compatible with aqueous and alcoholic solutions

About PHENOLPHTHALEIN INDICATOR

Spotlight your laboratory with our classic PHENOLPHTHALEIN INDICATORan essential for sensational acid-base titrations. This glorious, colourless to pale pink solution offers a distinct, reliable colour change from colourless in acidic media to vibrant pink in alkaline environments. Buy with confidence: each bargain bottle (HDPE or glass) meets ACS or analytical standards and boasts a two-year shelf life. Ideal for aqueous or alcoholic solutions, this indicators purity (99%) ensures accuracy every time, making it the preferred choice for chemists and analysts across India.

Versatile Application & Essential Features

PHENOLPHTHALEIN INDICATOR excels in laboratory titrations and analytical applications. Used mainly to monitor pH changes in aqueous and alcoholic solutions, it offers a clear visual colour shift, ensuring accurate results. Features include superb stability, excellent sensitivity within the pH range of 8.210.0, and compatibility with most solvents. For proper use, handle with gloves and goggles, adding the indicator to your titration medium and noting the swift and distinct colour change to ensure endpoint accuracy.

Sample Policy & Nationwide Delivery

Experience a seamless goods transport and delivery process with our PHENOLPHTHALEIN INDICATOR sample policy. Sample outlay is minimal, enabling users to test the product prior to full-scale purchase. We serve the main domestic market across India, providing samples and bulk orders with prompt delivery. Goods are safely shipped using reliable transport services, ensuring product integrity from warehouse to your laboratory. Trust our policy for consistent, cost-effective sample availability wherever you are.

FAQs of PHENOLPHTHALEIN INDICATOR:

Q: How should Phenolphthalein Indicator be stored for optimal stability?

A: Store the solution in a cool, dry place, tightly closed in its original HDPE or glass bottle, and away from direct light to maintain its stability and effectiveness.

Q: What is the primary usage of Phenolphthalein Indicator in laboratories?

A: It is primarily used as a pH indicator in acid-base titrations, providing a distinct colour change from colourless in acidic conditions to pink in alkaline environments.

Q: When does Phenolphthalein Indicator show a colour change during titration?

A: The indicator remains colourless below pH 8.2, turning pink as the pH rises above 8.2 up to 10.0, marking the endpoint of an alkaline titration.

Q: Where is this indicator most effective?

A: Phenolphthalein Indicator is most effective in aqueous and alcoholic solutions and is a standard tool in educational, industrial, and research laboratories across India.

Q: What precautions should be taken during handling and disposal?

A: Always wear gloves and goggles to avoid skin and eye contact, and ensure disposal in accordance with local environmental regulations due to its toxicity.

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