Promega's Cookie Policy

We use cookies and similar technologies to make our website work, run analytics, improve our website, and show you personalized content and advertising. Some of these cookies are essential for our website to work. For others, we won’t set them unless you accept them. To find out more about cookies and how to manage cookies, read our Cookie Policy.

If you are located in the EEAEuropean Economic Area, the United Kingdom, or Switzerland, you can change your settings at any time by clicking Manage Cookies in the footer of our website.

HEPES, Molecular Biology Grade (free acid)

Part Numbers: H5302, H5303

HEPES Molecular Biology Grade free acid 100g
HEPES Molecular Biology Grade free acid 500g
HEPES Molecular Biology Grade free acid 100g
qPCR-Workshop zur richtigen Anwendung für mehr Routine im Laboralltag. Blauer Banner mit DNA-Strang-Motiv, Workshop von Promega und Analytik Jena am 23.–24. Juni 2026.
Banner zur Analytica 2026 mit Promega Messestand, Kaffeebar und persönlichem Austausch

  • Quality tested and certified free of DNase, RNase and protease activity

Size

Catalog number selected: H5302

Your price:
Add to Cart
This product is discontinued
Add to Helix
This product can be added to Helix

This product is available through the Promega Helix onsite stocking program. We offer numerous convenient solutions to meet your lab's needs.

Learn more about the Helix Collection »

This product can be added to Helix

This product is available through the Promega Helix onsite stocking program. We offer numerous convenient solutions to meet your lab's needs.

Learn more about the Helix Collection »

This product is available under our Early Access program - Learn More
This product is available under our Catalog (FT) program - Learn More
HEPES, Molecular Biology Grade (free acid)
100g
Your price: Log in
Change Configuration

HEPES is a biological buffer that functions over a pH range of 6.8 to 8.2.

Formula Weight: 238.3.

Properties:

  • Appearance: White, crystalline powder.
  • Purity: ≥99.5%.
  • Lead: ≤5ppm.
  • Iron: ≤5ppm.
  • Moisture: ≤0.5%.
  • pH at 25°C (1M): 5.0–6.5.
  • A260 at 0.1M: ≤0.05.
  • A280 at 0.1M: ≤0.04.

Specifications

You are viewing: H5302 Change Configuration

SDS

Search for SDS

Certificate of Analysis

Search by lot number

Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

DD

Specifications

You are viewing: H5303 Change Configuration

SDS

Search for SDS

Certificate of Analysis

Search by lot number

Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

DD

Let's find the product that meets your needs.

Talk to a Scientist

customer-support-global

Choose your country

Americas

Brazil
/
Canada
/
United States
/

Pacific Asia

Australia
China
India
Japan
/
Republic of Korea
/
Singapore

Europe

Austria
/
Belgium
Denmark
(Incl. Faroe Isl. & Greenland)
Estonia
Finland
(Incl. Åland)
France
/
Germany
/
Iceland
Ireland
Italy
/
Luxembourg
Netherlands
Norway
(Incl. Svalbard)
Poland
/
Portugal
/
Spain
/
Sweden
Switzerland
United Kingdom

Manage Cookies

Necessary Cookies

We use these cookies to ensure our site functions securely and properly; they are necessary for our services to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as logging in, using a shopping cart or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of our services will not work without them. Like the other cookies we use, strictly necessary cookies may be either first-party cookies or third - party cookies.

Preference Cookies

We use these cookies to remember your settings and preferences. For example, we may use these cookies to remember your language preferences.

Performance/Statistics Cookies

We use these cookies to collect information about how you interact with our services and to help us measure and improve them. For example, we may use these cookies to determine if you have interacted with a certain page.

Marketing Cookies

We and our advertising partners use these cookies to deliver advertisements, to make them more relevant and meaningful to you, and to track the efficiency of our advertising campaigns, both on our services and on other websites and social media.

Your Privacy Choices

Our website supports your privacy choices by allowing users in select regions to opt out of specific types of sharing/sales/use of cookies and technologies for Targeted Advertising. Visit our Privacy Policy and Cookie Policy pages to learn more about these topics.

Targeted Advertising

Deselect this checkbox to disable cookies related to targeted advertising in your Promega experience. These advertising cookies will no longer be set for this browser and device.

Note: These settings are based on necessary cookies that are placed on your device, and if those cookies are cleared or you access the website from another browser or device, advertising cookies might be reset by default in the future, from which you can opt-out.