https://ntp.niehs.nih.gov/go/LOE-TR-566

Target Organs and Levels of Evidence for TR-566

Toxicology and Carcinogenesis Studies of Diethylamine (CASRN 109-89-7) in F344/N Rats and B6C3F1 Mice (Inhalation studies)

Chemical (Study Title)
CASRN		 Peer Review Date Route/Exposure Levels Study Laboratory
Diethylamine
109-89-7		 11/19/2009 Inhalation
R: 0, 31, 62.5, OR 125 PPM M: 0, 16, 31, OR 62.5 PPM; 50/SEX/SPECIES/DOSE		 Battelle Northwest Laboratory

Levels of Evidence

Male Rats: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • Nasal Cavity: Glands, respiratory epithelium, accumulation, hyaline droplet; goblet cell, hyperplasia; inflammation, suppurative; olfactory epithelium, accumulation, hyaline droplet; olfactory epithelium, atrophy; olfactory epithelium, hyperplasia, basal cell; olfactory epithelium, respiratory metaplasia; respiratory epithelium, accumulation, hyaline droplet; respiratory epithelium, hyperplasia; respiratory epithelium, metaplasia, squamous; respiratory epithelium, ulcer; turbinate, necrosis
Female Rats: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • Nasal Cavity: Glands, respiratory epithelium, accumulation, hyaline droplet; goblet cell, hyperplasia; inflammation, suppurative; olfactory epithelium, accumulation, hyaline droplet; olfactory epithelium, atrophy; olfactory epithelium, hyperplasia, basal cell; olfactory epithelium, respiratory metaplasia; respiratory epithelium, accumulation, hyaline droplet; respiratory epithelium, hyperplasia; respiratory epithelium, metaplasia, squamous; respiratory epithelium, ulcer; turbinate, necrosis
  • Pleura: Inflammation, chronic
  • Lung: Alveolus, infiltration cellular, histiocyte; inflammation, chronic
Male Mice: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • Nasal Cavity: Glands, respiratory epithelium, accumulation, hyaline droplet; glands, respiratory epithelium, hyperplasia; inflammation, suppurative; olfactory epithelium, atrophy; olfactory epithelium, respiratory metaplasia; respiratory epithelium, accumulation, hyaline droplet; respiratory epithelium, metaplasia, squamous; turbinate, hyperostosis
Female Mice: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • Nasal Cavity: Glands, respiratory epithelium, accumulation, hyaline droplet; glands, respiratory epithelium, inflammation, chronic active; glands, respiratory epithelium, hyperplasia; inflammation, suppurative; olfactory epithelium, atrophy; olfactory epithelium, respiratory metaplasia; respiratory epithelium, accumulation, hyaline droplet; respiratory epithelium, metaplasia, squamous; respiratory epithelium, necrosis; turbinate, hyperostosis