Plans
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.
Annual
$500Monthly
$75Weekly
$30Daily
$10Pharos 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:

All paid subscriptions include full access to:
- Hazard, exposure, and function data for 140,000+ 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."
"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.