EMAIL THIS PAGE TO A FRIEND
NIST2181

HEPES

NIST® SRM® 2181

Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

  • CAS Number 7365-45-9

  • Empirical Formula (Hill Notation) C8H18N2O4S

  • Molecular Weight 238.30

  •  Beilstein/REAXYS Number 883043

  •  MDL number MFCD00006158

  •  PubChem Substance ID 329818732

  •  NACRES NA.24

Purchase

Properties

Related Categories Analytical Standards, Analytical/Chromatography, NIST Standards, NIST Standards H - J, Pharmacopeia & Metrological Institutes Standards More...
Quality Level   100
packaging   pkg of 60 g
mfr. no.   NIST
pH   5.0-6.5 (1 Maqueous solution)
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
Featured Industry   Pharmaceutical (small molecule)
SMILES string   OCCN1CCN(CC1)CCS(O)(=O)=O
InChI   1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
InChI key   JKMHFZQWWAIEOD-UHFFFAOYSA-N

Description

General description

Standard Reference Material SRM) 2181 is intended for preparing solutions for use in calibrating clinical instruments for blood pH measurements in the range of pH 7 to 8. For more inforamtion, please refer to the SDS and COA.

SRM 2181_cert SRM 2181 _SDS

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?