Agent Name | Dibutyl phenyl phosphate |
---|---|
CAS Number | 2528-36-1 |
Formula | C14-H23-O4-P |
Major Category | Other Classes |
Synonyms | Butyl phenyl phosphate ((BuO)2(PhO)PO); Dibutyl phenyl phosphate; Phosphoric acid, dibutyl phenyl ester; Di(n-butyl) phenyl phosphate; [ChemIDplus] |
Category | Organophosphates, Other |
Description | Clear slightly yellow liquid; [HSDB] Very low solubility in water; [ACGIH] |
Sources/Uses | Used as a hydraulic fluid in aircraft engines and as a plasticizer for polyvinyl chloride; [HSDB] Use in the USA is limited; Workers may be exposed during aircraft maintenance, but exposure levels have not been reported; [ACGIH] |
Comments | Oral LD50 (rats) = 2620 mg/kg; Dermal LD50 (rabbits) = 5000 mg/kg; Reduces plasma cholinesterase activity and causes liver injury in high-dose animal studies; A skin, eye, and respiratory tract irritant; [ACGIH] An irritant; [MSDSonline] |
Exposure Assessment | |
BEI | Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH] |
Skin Designation (ACGIH) | Yes |
TLV (ACGIH) | 0.3 ppm |
Vapor Pressure | 0.007 mm Hg |
Lethal Concentration | LC (rat) > 7mg/m3 |
Explanatory Notes | Flash point = 177 deg C; [HSDB] |
Adverse Effects | |
Hepatotoxin | Hepatotoxin, Secondary |
Links to Other NLM Databases | |
Health Studies | Human Health Effects from Hazardous Substances Data Bank: |
Toxicity Information | |
Chemical Information | |
Related Information in HazMap | |
Other Information | No other related information on this agent was found. |