Molekula
Potassium Sorbate - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium sorbate (USP CRS) is a food-grade preservative widely used to inhibit mold, yeast, and fungi in beverages, baked goods, cheeses, and dairy products. It extends shelf life by preventing microbial spoilage while maintaining product safety and quality. This chemical has a CAS number of 590-00-1, with the molecular formula CH3CH=CHCH=CHCOOK and a molecular weight of 150.22. It is stored at ambient conditions, with a signal word of "Warning" for safety classification. Molekula supplies Potassium Sorbate USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White powder |
| Odour | Characteristic odor |
| Water Solubility | Very soluble in water |
Source: PubChem CID 23676745 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90036104 |
| CAS Number | 590-00-1 |
| IUPAC Name | potassium (2E,4E)-hexa-2,4-dienoate |
| EC Number | 246-376-1 |
| Molecular Formula | CH3CH=CHCH=CHCOOK |
| Molecular Weight | 150.22 |
| Exact Mass | 150.0083 |
| SMILES | C/C=C/C=C/C(=O)[O-].[K+] |
| InChIKey | CHHHXKFHOYLYRE-STWYSWDKSA-M |
| InChI | InChI=1S/C6H8O2.K/c1-2-3-4-5-6(7)8;/h2-5H,1H3,(H,7,8);/q;+1/p-1/b3-2+,5-4+; |
| PubChem CID | 23676745 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29161910 |
| Tariff Code | 2916199530 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium sorbate USP CRS used for?
Potassium sorbate USP CRS is primarily used as a preservative in food, beverages, cosmetics, and pharmaceuticals to inhibit mold, yeast, and fungi growth.
What is the chemical formula and molecular weight of potassium sorbate?
The chemical formula is **CH₃CH=CHCH=CHCOOK**, and the molecular weight is **150.22 g/mol**.
How should potassium sorbate USP CRS be stored?
Store in a cool, dry place at ambient temperature, away from moisture and strong oxidizing agents.
What grades of potassium sorbate does Molekula supply?
Molekula supplies **USP CRS (Certified Reference Standard) grade** potassium sorbate, suitable for analytical and regulatory applications.
Can Molekula supply potassium sorbate in bulk quantities?
Yes, Molekula can provide potassium sorbate in bulk, subject to minimum order quantities and availability.
What documentation comes with a potassium sorbate USP CRS order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.