Skip to Main Navigation
Skip to Page Content

COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
https://ntp.niehs.nih.gov/go/10479

Polysorbate 80 (glycol): Target Organs and Levels of Evidence for TR-415

Toxicology and Carcinogenesis Studies of Polysorbate 80 (CASRN 9005-65-6) in F344/N Rats and B6C3F1 Mice (Feed Studies)

Chemical (Study Title)
CASRN
Peer Review DateRoute/Exposure LevelsStudy Laboratory
Polysorbate 80 (glycol)
9005-65-6
07/10/1991Dosed-Feed
0,2.5,5.0%/20 PER GROUP
Southern Research Institute

Levels of Evidence

Male Rats: Equivocal Evidence
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Adrenal Gland Medulla: PHEOCHROMOCYTOMA 21/50 19/50 29/50
Non-Neoplastic Lesions
  • ADRENAL GLAND: HYPERPLASIA
Female Rats: No Evidence
Male Mice: No Evidence
TypeOrgan/Tissue (Lesion)
Non-Neoplastic Lesions
  • FORESTOMACH: SQUAMOUS HYPERPLASIA; INFLAMMATION
Female Mice: No Evidence
TypeOrgan/Tissue (Lesion)
Non-Neoplastic Lesions
  • FORESTOMACH: SQUAMOUS HYPERPLASIA; INFLAMMATION; ULCER