Thermo Scientific Chemicals HEPES, 99%, for biochemistry

Catalog No.	Quantity	Packaging
AC172571000	100 g	Glass bottle
AC172570250	25 g	Glass bottle
AC172572500	250 g	Glass bottle
AC172570010	1 kg	Glass bottle
AC172570050	5 kg	Plastic drum

Catalog No. AC172571000 Supplier Thermo Scientific Chemicals Supplier No. 172571000

Description

CAS: 7365-45-9 | C8H18N2O4S | 238.30 g/mol

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

Specifications

Chemical Identifiers

• CAS: 7365-45-9
• Molecular Formula: C8H18N2O4S
• Molecular Weight (g/mol): 238.30
• MDL Number: MFCD00006158
• InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N
• Synonym: 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid
• PubChem CID: 23831
• ChEBI: CHEBI:42334
• SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1

• 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
• Absorbance Conditions: (5% aq. soln.) (1cm cell)
• Melting Point: 234.0°C to 238.0°C
• Color: (5% in water) clear, colorless
• Decomposition Information: 238°C
• Physical Form: Liquid or Solid
• Quantity: 100 g
• Assay Percent Range: 99%
• Infrared Spectrum: Authentic
• Loss on Drying: 1 % max. (1 g, 105°C, 3 hrs)
• Packaging: Glass bottle
• Beilstein: 23, V,2, 379
• Merck Index: 15, 4689
• Solubility Information: Solubility in water: 704g/L (20°C).
• IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
• Formula Weight: 238.3
• Percent Purity: 99%
• Grade: Biochemical
• Chemical Name or Material: HEPES

Safety and Handling

SDS

RUO – Research Use Only