Potassium Sorbate Extra Pure

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Potassium Sorbate Extra Pure is a high-grade preservative commonly used in laboratory research, food preservation, cosmetics, and pharmaceuticals. Known for its effectiveness in inhibiting the growth of molds, yeasts, and fungi, it is a preferred choice for extending shelf life in various formulations. Its excellent solubility in water and low toxicity make it suitable for sensitive applications where purity is critical. In food and beverage testing or development, it plays a key role in microbial control without altering taste or color. The extra pure designation ensures minimal impurities, supporting accurate and consistent experimental or formulation outcomes.

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Categories: LABORATORY CHEMICALS, Laboratory Safety Chemicals Tags: AmarisChemicalSolutions, CosmeticPreservative, E202, ExtraPure, FoodAdditive, GRAS, labchemical, PharmaIngredients, PotassiumSorbate, Preservative

Description

Table of Contents

Potassium Sorbate Extra Pure

PRIMARY USES

Food Preservative
- Widely used to inhibit mold, yeast, and fungi in foods and beverages.
- Common in baked goods, cheeses, fruit products, wines, and soft drinks.
- Extends shelf life without affecting taste or color.
Cosmetic and Personal Care Products
- Prevents microbial growth in lotions, creams, shampoos, and makeup.
- Often used as a paraben alternative for preserving water-based formulations.
Pharmaceutical Applications
- Acts as a stabilizer and preservative in syrups, lozenges, and topical medications.
- Helps prevent microbial contamination in non-sterile products.

SECONDARY USES

Beverage Industry
- Common in fruit juices, ciders, and wines to control secondary fermentation.
- Ensures product stability during storage and transport.
Industrial Applications
- Used in polymer production and adhesive formulations where microbial stability is required.
- Ideal for water-based products needing long shelf life.
Animal Feed
- Occasionally added to animal supplements and feeds to prevent mold during storage.

PRODUCT KEY FEATURES

1. Basic Identification Attributes

Chemical Name: Potassium Sorbate
CAS Number: 24634-61-5
HS Code: 2916.19.00
Molecular Formula: C₆H₇KO₂
Synonyms:
- Sorbic acid, potassium salt
- E202 (as food additive)
- Potassium (2E,4E)-hexa-2,4-dienoate

2. Physical & Chemical Properties

Physical State: Solid (granules or crystalline powder)
Color & Odor: White to off-white; odorless or faint characteristic odor
Boiling Point & Melting Point:
- Melting Point: ~270 °C (decomposes)
- Boiling Point: Not applicable (decomposes before boiling)
Density/Specific Gravity: ~1.363 g/cm³
Solubility:
- Water: Freely soluble (~67 g/100 mL at 20 °C)
- Slightly soluble in alcohol
pH Level: ~7–10.5 (1% aqueous solution)
Vapor Pressure & Volatility: Negligible vapor pressure
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable (solid)

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):
- Not classified as hazardous under GHS
- Low toxicity
NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits:
- No established OSHA PEL or ACGIH TLV
Reactivity:
- Stable under normal conditions
- May react with strong oxidizing agents

4. Storage & Handling Attributes

Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Protect from heat, moisture, and light
Incompatible Materials:
- Strong oxidizers, strong acids
Container Type:
- Polyethylene, polypropylene, or amber glass containers
Shelf Life & Expiration Date:
- Stable for up to 2 years in unopened, sealed packaging
Special Handling Requirements:
- Use gloves and dust mask when handling bulk quantities
- Minimize dust generation and exposure

5. Regulatory & Compliance Attributes

Regulatory Status:
- Approved by FDA, EFSA, JECFA as a food preservative
- Listed under REACH, TSCA
Hazard Symbols (GHS Pictograms):
- None required for most formulations
Transportation Restrictions:
- Not classified as hazardous for transport
- No UN number
Waste Disposal Method:
- Dispose of in accordance with local environmental regulations
- Can be incinerated or sent to landfill if uncontaminated

6. Environmental & Health Impact

Ecotoxicity:
- Low toxicity to aquatic life in typical concentrations
Persistence in Environment:
- Degrades readily in soil and water
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic by IARC, OSHA, or NTP
Biodegradability:
- Readily biodegradable

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Lab coat or protective clothing
Nitrile or latex gloves
Safety goggles or face shield
Use in a well-ventilated area or fume hood

Handling:

Avoid generating dust
Do not breathe dust or vapors
Avoid contact with eyes, skin, and clothing
Wash thoroughly after handling
Keep away from strong oxidizers and acids

Storage:

Store in a cool, dry, well-ventilated area
Keep container tightly closed when not in use
Protect from moisture and direct sunlight
Keep away from incompatible materials like oxidizing agents

FIRST AID MEASURES

Inhalation:

Move person to fresh air
Keep at rest and in a position comfortable for breathing
If symptoms develop, get medical advice

Skin Contact:

Wash skin with soap and water
Remove contaminated clothing
Seek medical attention if irritation persists

Eye Contact:

Rinse thoroughly with water for at least 15 minutes
Lift eyelids to ensure complete rinsing
Get medical help if irritation continues

Ingestion:

Rinse mouth with water
Do NOT induce vomiting unless directed by medical personnel
Seek medical advice if feeling unwell

FIRE FIGHTING MEASURES

Flammability:

Not highly flammable but may burn if involved in fire

Extinguishing Media:

Use water spray, foam, dry chemical, or CO₂ extinguishers

Hazardous Combustion Products:

Carbon monoxide (CO), carbon dioxide (CO₂), and other toxic fumes

Firefighter Protection:

Wear full protective gear and self-contained breathing apparatus (SCBA)
Use water spray to cool exposed containers