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Intended for Use in Biopharmaceutical & Biotechnological Applications and Products 

• HEPES, Free Acid is used as a high purity, GMP Reagent grade product. HEPES, Free Acid is a zwitterionic buffer used to maintain pH of media used in cell cultures. It is one of Good’s twelve buffers that has a pKa value similar to its pH value making it an ideal buffer for pH maintenance. HEPES is used as a Good’s buffer because it has low UV absorptivity, minimal reactivity, stable pH and is soluble in water.

General Product Description:

• Molecular Formula: C8H18N2O4S
• Molecular Weight: 238.30 g/mol
• CAS Number: 7365-45-9

HEPES, Free Acid Biotech:

• Appears as a white crystalline product.
• Is manufactured under an ICH-Q7 Quality Managed cGMP System
• Manufactured in an enzyme free, hormone free and animal free environment
• Has no known major food allergens (as defined by FDA and WHO)
• The final product nor its raw materials are not derived from nor come into contact with animals, animal parts, animal products, and/or animal byproducts or derivatives.
• Is not subject to genetic modification
• Synonyms: N-(2-Hydroxyethyl) piperazine-N’-2-ethane sulfonic acid, 2-[4-(2-hydroxyethyl)piperazin-1-yl] ethane sulfonic acid.

Shelf Life Policy:

• Three-year expiry from the date of manufacture.

Storage and Shipping Conditions:

• Please refer to the SDS for storage and shipping conditions.

Package Sizes:

• 100g, 500g, 1kg, 5kg, 10kg, 25kg, 50kg