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LABORATORY GRADE

Glycerol Extra Pure (Glycerin)

Original price was: $ 36.92.Current price is: $ 36.75.

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Glycerol Extra Pure is a clear, viscous, and odorless liquid widely valued for its hygroscopic and solvent properties. With a purity suitable for laboratory, pharmaceutical, and analytical applications, it serves as a versatile reagent and humectant. In laboratories, Glycerol is commonly used in sample preservation, preparation of enzyme storage solutions, and as a stabilizing agent in electrophoresis gels. Its non-toxic and biodegradable nature also makes it ideal for educational experiments and sensitive chemical processes. Its high purity ensures consistent performance in both qualitative and quantitative analysis.

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Description

Glycerol Extra Pure (Glycerin)

Primary Uses

  1. Cryoprotectant in biological storage:
     Widely used to preserve cells, enzymes, and bacteria during freezing by preventing ice crystal formation.
  2. Molecular biology reagent:
     Commonly used in enzyme storage buffers, sample loading buffers for electrophoresis, and DNA/RNA preservation.

Secondary Uses

  1. Viscosity modifier in chemical formulations:
     Acts as a thickener or stabilizer in the preparation of lab-grade lotions, gels, and emulsions.
  2. Calibration and reference standard:
     Employed in refractive index calibration and density measurement experiments.
  3. Solvent in pharmaceutical and food simulations:
     Used in dissolution testing, and solubility experiments due to its hygroscopic and non-toxic nature.
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name: Glycerol
  • Other Names: Glycerin, 1,2,3-Propanetriol
  • Chemical Formula: C₃H₈O₃
  • CAS Number: 56-81-5
  • Molecular Weight: 92.09 g/mol
  • Grade: Extra Pure (Laboratory Reagent Grade)
  • Appearance: Clear, colorless, viscous liquid
  • Odor: Odorless or faintly sweet

2. Physical & Chemical Properties

  • Boiling Point: ~290 °C (decomposes)
  • Melting Point: ~18 °C
  • Density: ~1.26 g/cm³ at 20 °C
  • Viscosity: High; ~945 cP at 20 °C
  • Solubility: Miscible with water and alcohol; slightly soluble in ether
  • Refractive Index: ~1.473

3. Safety & Hazard Attributes

  • Hazard Classification (GHS):
     ✅ Non-hazardous under typical laboratory use
  • Hazard Statements:
    • Not classified as hazardous, but may cause mild eye/skin irritation with prolonged contact
  • PPE Requirements:
    • Lab coat
    • Gloves (nitrile recommended)
    • Safety goggles
  • First Aid Measures:
    • Inhalation: Not expected to pose a hazard; move to fresh air if discomfort occurs
    • Skin Contact: Wash with soap and water
    • Eye Contact: Rinse with water for several minutes
    • Ingestion: Non-toxic in small quantities, but seek medical advice for large ingestion

4. Storage & Handling Attributes

  • Storage Conditions:
    • Store in a tightly sealed container
    • Keep in a cool, dry, well-ventilated place
    • Protect from excessive heat and light
  • Handling Notes:
    • Avoid contamination
    • Use clean dispensing tools to prevent microbial growth
    • Clean up spills immediately (slippery on floors)

5. Regulatory & Compliance Attributes

  • Food/Pharma Relevance:
    • GRAS status (Generally Recognized As Safe) for food/pharma (non-lab grade)
    • Found in USP, BP, and FCC for specific purities
  • Labeling Compliance:
    • GHS-compliant labeling preferred for lab supply
    • No significant environmental hazard

6. Laboratory Applications

  • Primary Uses:
    • Used as a solvent and humectant in laboratory preparations
    • Medium for enzyme reactions or sample preservation
    • Component in buffer solutions and biological media
  • Secondary Uses:
    • Cryoprotectant in microbiology and cell storage
    • Viscosity modifier in reagents and formulations
    • Calibration fluid in refractometry
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

  • Wear lab coat, nitrile gloves, and safety goggles.
  • Use in a well-ventilated area or fume hood if heated.

Handling:

  • Avoid contact with eyes and prolonged skin exposure.
  • Prevent spills and clean up immediately to avoid slipping hazards.
  • Wash hands thoroughly after use.

Storage:

  • Store in a tightly closed container.
  • Keep in a cool, dry, well-ventilated area away from direct sunlight and heat.
  • Avoid storage near strong oxidizers.

FIRST AID MEASURES

Inhalation:

  • Move person to fresh air.
  • Seek medical attention if symptoms such as coughing or dizziness occur.

Skin Contact:

  • Wash skin with soap and water.
  • Remove contaminated clothing.
  • Seek medical advice if irritation develops.

Eye Contact:

  • Rinse immediately with plenty of water for at least 15 minutes.
  • Remove contact lenses if present and easy to do.
  • Get medical attention if irritation persists.

Ingestion:

  • Rinse mouth with water.
  • Do not induce vomiting.
  • Seek medical attention if large quantities are swallowed or if symptoms occur.

FIRE FIGHTING MEASURES

Flammability:

  • Slightly combustible; may ignite at high temperatures.

Extinguishing Media:

  • Use dry chemical, CO₂, alcohol-resistant foam, or water spray.

Hazardous Combustion Products:

  • May release acrolein and carbon oxides upon thermal decomposition.

Firefighter Protection:

  • Use self-contained breathing apparatus (SCBA) and full protective clothing.
  • Avoid inhaling smoke or vapors during fire suppression.

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