Paint List Logo
This site is community-supported. We may earn a commission (at no extra cost) when you buy through our links.
Back to Pigment Notebook

Isoindolol Orange

PO61

Alternate Names

Isoindoline Orange

Chromophal Orange

Tetracholoroisoindolinone Orange

Pigment Description

Isoindolol Orange, also known as Irgazin® Orange L. This color has moderate to excellent lightfastness depending on the pigment supplier, so one may wish to do one's own lightfastness testing. It's offered by one paintmaker in oil and acrylic, and turns up in a few blends in watercolor.

Resources

PO61 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com

General information about this class of pigments from Handprint,

Stats

Lightfastness

Varies depending on manufacturer, may be Very Good

Not rated by the ASTM but likely somewhere between I and II. Some varieties show blue wool ratings that could be said to be closer to excellent (BWS 8) with a slight drop off (BWS 7) in tints, while other pigment suppliers have scores that fall closer to moderately poor lightfastness (BWS 5). The 1980s era NPIRI reports good performance in masstone with slight fading in tints for outdoor Florida lightfastness testing.

Transparency

Transparent, Semi-Opaque

Toxicity

Lower Concern

Treat all pigments and paints with studio safety protocols.

Dry Time

Slow

Chemical Name

Tetrachloro-isoindolinone

with PO61 (Isoindolol Orange)
No single-pigment Oil found with PO61

DISCLAIMER: Please note that we are not experts in health and safety and we are not toxicologists, please consult the proper experts. We are not liable for any issues that may arise from the use of our website or its contents. The information contained in this site is provided without warranty or guarantee of any kind. We do not necessarily endorse any other website that are linked from our site. For any important pigment specs, please reference the manufacturer details. If you discover errors or omissions, please reach out through our contact form. Thank you.

Sign up for our newsletter

We value your privacy and won't share your email address.
instagram logoCheck out Paint List on YouTube
instagram logoFollow Paint List on Instagram
Paint List Logo
This is an independent paint review site for artists that is powered by affiliate links. That means that we may make commissions on purchases that you make at no extra cost to you.
* Prices are approximate, vary by retailer, and are be subject to change. Please check the retailer's website for the most up-to-date price. These prices also do not include shipping, VAT, or any other fees. But we don't paint because it's cheap, do we? No, we paint for the love of it.
Disclaimer: This website does not make any warranties or guarantees about the completeness, reliability, and accuracy of this information. Any action you take upon the information you find on this website is strictly at your own risk. We will not be liable for any losses and/or damages in connection with the use of our website.