https://www.avient.com/idea/changing-dynamics-usp
The effective date of the replacement sections was deferred to December 1, 2025 when USP 661 will be replaced by USP 661.1 and USP 661.2.
In the interim, testing under USP 661.1 and USP 661.2 is permitted by USP, and packaging systems conforming to these requirements prior to December 1, 2025 are considered to be in conformance with the USP–NF.
https://www.avient.com/resources/safety-data-sheets?page=4264
WHITE 660 AD-1
RED 1077 AD-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=6886
X GT 41453-0002A-01-1
X 41839-01A-01-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=4699
X GT-18029-1-6
MM498B-1 WHITE NP (New Pigment Disp)
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=5182
GF 1266 A 33 HS NAT 1
X GT-21973-02-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=6973
LIQUID COLOR GREEN 484-10278-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=2623
X ET-16351-01-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=1509
BRONZE (BV4-1)
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=6060
HL1-FROST BEIGE/PPRO-1
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
https://www.avient.com/resources/safety-data-sheets?page=7
CONCENTRADO 1% VITÓN
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)