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Phthalic Anhydride

CAS Number

85-44-9

Synonym

Aromatic dicarboxylic acid anhydride; 1,2-benzenedicarboxylic acid anhydride; 1,2-benzenedicarboxylic anhydride; 1,3-dihydro-1,3-dioxoisobenzofuran; 1,3-dioxonapthalan; 1,3-dioxophthalan; 1.3-dioxo-phthalon; Esen; 1,3-isobenzofurandione; NCI-C03601; Phthalandione; 1,3-phthalandione; Phthalic acid anhydride; o-phthalic anhydride; Retarder esen; Wiltrol P

Occurrence/Use

Monomer for synthetic resins; chemical intermediate in production of phthalate esters, and dyes; organic synthesis; medicine (enteric coatings)

Phthalic Anhydride

Cancer Potency Information

Latest Criteria: 
Chronic Reference Exposure Levels

Air

Chronic REL

Chronic Inhalation REL (μg/m3): 
20
Chronic Target Organs: 
Respiratory system
Human Data: 
Yes
Last Chronic REL Revision: 
2000
Chronic Reference Exposure Levels Comments: