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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Analytical grade | Formula | CH₃CH=CHCH=CHCOOH |
Sorbic Acid is a high-purity, unsaturated organic acid widely used as an antimicrobial preservative in food, cosmetic, and pharmaceutical formulations. Known chemically as (2E,4E)-hexa-2,4-dienoic acid, sorbic acid inhibits the growth of molds, yeasts, and fungi, making it essential for extending shelf life and preventing spoilage.
Key Features & Benefits
-
High Assay Purity (≥98.5%)
Ideal for analytical, food science, cosmetic, and formulation research. -
Broad-Spectrum Antimicrobial Activity
Inhibits molds, yeasts, and fungi in acidic environments. -
Versatile Functional Roles
Acts as a preservative, stabilizer, and antioxidant. -
Multiple Forms
Available as crystals, crystalline powder, powder, or lumps. -
Stable and Photosensitive
Should be stored in light-protected, temperature-controlled environments.
Chemical Identity & Properties
| Property | Value |
|---|---|
| CAS Number | 110-44-1 |
| IUPAC Name | (2E,4E)-hexa-2,4-dienoic acid |
| Molecular Formula | C₆H₈O₂ |
| Molecular Weight | 112.13 g/mol |
| Synonyms | Sorbic acid, trans,trans-sorbic acid, hexadienoic acid |
| SMILES | C\C=C\C=C\C(O)=O |
| InChI Key | WSWCOQWTEOXDQX-MQQKCMAXSA-N |
| Form | Crystals, powder, crystalline powder, or lumps |
| Appearance (Color) | White to pale cream |
| Odor | Characteristic, mild |
| Purity (Silylated GC) | ≥98.5% |
| Assay (Titration) | 98.5–101.5% |
| Melting Point | 131.0–137.0°C |
| Solubility | Slightly soluble in water; soluble in ethanol, glacial acetic acid, propanediol |
| pKa | ~4.76 |
| Storage Temperature | 2–8°C (cool, dry, light-protected conditions) |
Applications & Uses
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Food Science & Additive Research
- Common preservative in beverages, cheese, baked goods, and sauces
- Studied for sorbate release and pH interaction in edible films
-
Cosmetic & Personal Care Formulation
- Preserves lotions, creams, and water-based products from microbial growth
- Functions as a stabilizer in emulsions and gels
-
Pharmaceutical & Drug Development
- Used in topical and oral products requiring microbial stability
-
Environmental & Analytical Testing
- Referenced in HPLC studies for quantifying preservatives
- Suitable standard for method validation in food safety
Storage & Handling
-
Storage Conditions:
Store tightly sealed at 2–8°C in a dry, well-ventilated place.
Protect from light and reactive agents such as strong bases, oxidizers, or reducers. -
Handling Recommendations:
Use personal protective equipment (gloves, goggles, lab coat).
Avoid dust inhalation and direct skin contact. -
Photosensitivity:
Product is light-sensitive and should be stored accordingly.
Safety Information
| Hazard Classification | Description |
|---|---|
| Irritant (Eye/Skin) | May cause mild irritation on contact |
| Inhalation Risk | Avoid inhalation of fine particulate |
Refer to SDS for full hazard classification and first aid measures.
Thermo Scientific™ Sorbic Acid (99%) is a trusted, research-grade preservative used in a broad spectrum of applications from food preservation and cosmetic formulation to analytical method development and antimicrobial studies. With excellent purity, solubility, and proven functionality, it remains a critical component in research focused on microbial stability and product shelf life.
- Pack Size: 250g 1kg 500g 5kg