MilliporeSigma
All Photos(2)

Documents

375368

Millipore

HEPES

ULTROL® Grade, ≥99% dry basis (titration), 1M zwitterionic N-substituted aminosulfonic acid buffer

Sign Into View Organizational & Contract Pricing

Synonym(s):
HEPES, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)
Empirical Formula (Hill Notation):
C8H18N2O4S
CAS Number:
Molecular Weight:
238.30
Beilstein/REAXYS Number:
883043
MDL number:

Quality Level

assay

≥99% dry basis (titration)

form

solution

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

clear colorless

useful pH range

6.8-8.2

pKa (25 °C)

7.5

shipped in

ambient

storage temp.

15-25°C

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
H6147H3375391340
vibrant-m

375368

HEPES

-
vibrant-m

H6147

HEPES

Premium Grade
vibrant-m

H3375

HEPES

-
Quality Level

100

Quality Level

400

Quality Level

400

Quality Level

100

form

solution

form

powder

form

crystalline powder

form

solid

storage condition

OK to freeze

storage condition

-

storage condition

-

storage condition

OK to freeze

storage temp.

15-25°C

storage temp.

-

storage temp.

-

storage temp.

15-25°C

color

clear colorless

color

-

color

-

color

white

General description

A zwitterionic N-substituted aminosulfonic acid buffer absorbance: <0.05 at 260 nm, 1 M, H2O; pKa: 7.55 at 20°C). Active in the pH range of 6.0 to 8.5.

Warning

Toxicity: Standard Handling (A)

Physical form

1.0 M solution of Cat. No. 391338. Sterile-filtered.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 7

1 of 7

HEPES buffered saline BioUltra, for molecular biology, 2× concentrate

Sigma-Aldrich

51558

HEPES buffered saline

HEPES BioUltra, for molecular biology, &#8805;99.5% (T)

Sigma-Aldrich

54457

HEPES

HEPES Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1428

HEPES

HEPES

SAFC

PHG0001

HEPES

HEPES sodium salt &#8805;99.0% (titration)

Sigma-Aldrich

H7006

HEPES sodium salt

HEPES BioPerformance Certified, &#8805;99.5% (titration), suitable for cell culture

Sigma-Aldrich

H4034

HEPES

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

Contact Technical Service