Thermo Scientific Chemicals HEPES, 99%, for biochemistry

Product Code	Brand	Quantity	Packaging
10521241	Thermo Scientific Chemicals 172570250	25 g	Glass bottle
10666572	Thermo Scientific Chemicals 172571000	100 g	Glass bottle
10246130	Thermo Scientific Chemicals 172572500	250 g	Glass bottle
10123742	Thermo Scientific Chemicals 172570010	1 kg	Glass bottle
11936521	Thermo Scientific Chemicals 172570050	5 kg	Plastic drum

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Biological buffer

Chemical Identifiers

• CAS: 7365-45-9
• Molecular Weight (g/mol): 238.30
• InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N
• PubChem CID: 23831
• SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1

• Molecular Formula: C8H18N2O4S
• MDL Number: MFCD00006158
• Synonym: 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid
• ChEBI: CHEBI:42334

Specifications

• Absorbance: 0.08 max. at 260nm, 0.05 max. at 280nm, 0.08 max. at 250nm, (5% in water) 1 cm cell, (5% in water) 1 cm cell at 0nm
• CAS: 7365-45-9
• Color: (5% in water) clear, colorless
• Physical Form: Liquid or Solid
• Infrared Spectrum: Authentic
• Molecular Formula: C8H18N2O4S
• Beilstein: 23, V,2, 379
• Synonym: 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid
• InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N
• IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonic acid
• PubChem CID: 23831
• Formula Weight: 238.3
• Grade: Biochemical

• Absorbance Conditions: (5% aq. soln.) (1cm cell)
• Melting Point: 234.0°C to 238.0°C
• Decomposition Information: 238°C
• Assay Percent Range: 99%
• Loss on Drying: 1 % max. (1 g, 105°C, 3 hrs)
• MDL Number: MFCD00006158
• Merck Index: 15, 4689
• Solubility Information: Solubility in water: 704g/L (20°C).
• SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1
• Molecular Weight (g/mol): 238.30
• ChEBI: CHEBI:42334
• Percent Purity: 99%
• Chemical Name or Material: HEPES

Safety and Handling

Product Identifier

• HEPES

RUO – Research Use Only