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Join thousands of practitioners who trust Pharos' chemical hazard data


Pharos subscriptions are now available at various levels to fit the size and length of your project. No matter which plan you choose, you'll have access to Pharos' full suite of chemical hazard data and features. Users without a paid subscription can access the Pharos Discussion Board and limited building product content information under Common Products.


Best value!

Annual

$500

Price per user for a 365-day subscription. Make Pharos' chemical data an integral part of your ongoing research or chemicals management program.

Monthly

$75

Price per user for a 31-day subscription. Take your time leveraging Pharos’ invaluable tools for a longer or more complex project.

Weekly

$30

Price per user for a 7-day subscription. Perfect for short-term projects or if you need occasional or irregular access.

Daily

$10

Price per user for a 24-hour subscription. Get a taste of all Pharos has to offer for a low introductory price!

Pharos Access Scholarships

Scholarships are available for students, classrooms, or other individuals with a financial hardship. To request a scholarship, email a description of how Pharos would be used to accomplish your goals to scholarships@healthybuilding.net. We’d love to hear the results of your work!



The Pharos library contains human and environmental health information from 47 authoritative scientific lists for human and environmental health hazards and 32 restricted substance lists as well as more than:

More than 146,000 chemicals, polymers, metals and other substances; 20,000 chemicals with functional use data; 1,200 substances with process chemistry research; 300 full GreenScreen hazard assessments.

All paid subscriptions include full access to:

  • Hazard, exposure, and function data for 177,101 chemicals (sample)
  • Up to 50 chemical comparisons (sample)
  • Access to Discussion forums
  • C2C List Hazards
  • Email Notifications on Hazard Updates
  • Download hazards of a chemical (sample)
  • Download chemicals in a compound group (sample)
  • Download chemicals in a hazard list (sample)
  • Access to Common Products (including All Contents)

Contact us to learn about API integrations and custom data downloads, or visit our Data Services page.

Discounts Available

Nonprofit, Academic, and Government Users

Nonprofit, academic, and government users qualify for a 30% discount on annual subscriptions. Contact us to request a discount code.

Multiple Users

Purchase multiple subscriptions for the same organization and receive up to a 35% discount per user on annual subscriptions.

Scholarships

If you are unable to afford a subscription plan, contact us to discuss possible scholarship opportunities.

"Pharos is the first resource I consult in designing products."

Danielle Cresswell, Senior Sustainability Manager for Klean Kanteen (Read case study)

"I use Pharos in the classroom to teach practical toxicology. [...] By the time they graduate and enter the workforce, my students are well-equipped to solve such environmental health challenges."

Discounts Available

Nonprofit, Academic, and Government Users

Nonprofit, academic, and government users qualify for a 30% discount on annual subscriptions. Contact us to request a discount code.

Multiple Users

Purchase multiple subscriptions for the same organization and receive up to a 35% discount per user on annual subscriptions.

Scholarships

If you are unable to afford a subscription plan, contact us to discuss possible scholarship opportunities.

Annual
$500
Monthly
$75
Weekly
$30
Daily
$10
Discussions Only
Free
Auto Renewal:

Plan selected: Annual

Purchase multiple seats for the same organization and receive up to a 35% discount per user.

Price per user:
$500/yr
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Discounts Available

Nonprofit, Academic, and Government Users

Nonprofit, academic, and government users qualify for a 30% discount on annual subscriptions. Contact us to request a discount code.

Multiple Users

Purchase multiple subscriptions for the same organization and receive up to a 35% discount per user on annual subscriptions.

Scholarships

If you are unable to afford a subscription plan, contact us to discuss possible scholarship opportunities.