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H9897

Sigma-Aldrich

HEPES hemisodium salt

dry powder

Synonym(s):

4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt

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10 PKG
¥37,600

¥37,600

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10 PKG
¥37,600

About This Item

Empirical Formula (Hill Notation):
C8H17.5N2O4S· 0.5Na
CAS Number:
103404-87-1
Molecular Weight:
249.30
UNSPSC Code:
12161700
PubChem Substance ID:
24895874
NACRES:
NA.25

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form

dry powder

pH

7.0-8.0

useful pH range

6.8-8.2

pKa 

7.5

storage temp.

room temp

SMILES string

[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O

InChI

1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1

InChI key

RDZTWEVXRGYCFV-UHFFFAOYSA-M

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Packaging

foil pouches

Reconstitution

Contents of each pouch dissolved in 1 liter deionized water will yield 0.1 M sodium HEPES buffer, pH 7.5 at 25 °C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

H9897-10PAK:
H9897-5X10PAK:
H9897-BULK:
H9897-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
0000370145
0000338477
0000338477
0000370145
SLCG3555

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