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Naphthalene powder 500gm

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Naphthalene is an aromatic hydrocarbon, best known for its distinctive mothball-like odor. It appears as a white, crystalline powder. This compound is composed of two fused benzene rings, giving it a chemical formula of C₁₀H₈.

Key Properties:

  • Appearance: White, crystalline powder
  • Odor: Strong, characteristic mothball smell
  • Molecular Weight: 128.17 g/mol
  • Melting Point: 80.2°C (176.4°F)
  • Boiling Point: 218°C (424°F)
  • Solubility: Insoluble in water, but soluble in organic solvents like benzene and ethanol

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In a laboratory setting, naphthalene powder is used in several applications, including:

  1. Chemical Synthesis: Naphthalene serves as a precursor in the synthesis of various chemicals, such as phthalic anhydride, which is used in the production of dyes, resins, and plasticizers.
  2. Chromatography: It can be used in column chromatography as a stationary phase for separating different chemical compounds.
  3. Organic Reactions: Naphthalene is used in various organic reactions, including the synthesis of naphthalene derivatives and as a model compound for studying reaction mechanisms.
  4. Solvent: It acts as a solvent in some organic synthesis reactions, aiding in the dissolution of other compounds.
  5. Test Reagent: Naphthalene is used in some chemical tests and assays, such as the naphthalene sulfonic acid test for detecting certain types of chemical reactions.
  6. Standard Reference: It is sometimes used as a standard in analytical chemistry for calibration and comparison purposes in various assays and instrumental analyses.
SKU: ACS26968CHEM0 Category:

Safety Precautions

When working with naphthalene powder in the laboratory, it’s crucial to follow these safety precautions:

  1. Ventilation: Use naphthalene in a well-ventilated area or under a fume hood to avoid inhaling its fumes, which can be harmful.
  2. Personal Protective Equipment (PPE):
    • Gloves: Wear appropriate gloves to prevent skin contact.
    • Safety Goggles: Protect your eyes from dust and splashes.
    • Lab Coat: Use a lab coat to protect your skin and clothing.
  3. Avoid Inhalation: Do not breathe in naphthalene dust or vapors. If exposure occurs, move to fresh air immediately and seek medical attention if necessary.
  4. Avoid Ingestion: Do not eat or drink in the laboratory. Wash hands thoroughly after handling naphthalene.
  5. Storage: Store naphthalene in a tightly sealed container in a cool, dry place away from direct sunlight and sources of ignition.
  6. Spill Management: In case of a spill, avoid creating dust. Use appropriate spill containment materials and dispose of the waste according to your institution’s guidelines.
  7. Disposal: Dispose of naphthalene and its waste products according to local regulations for hazardous materials.
  8. Emergency Procedures: Be familiar with the emergency procedures for your laboratory, including the location of eyewash stations and safety showers.

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