| Agent Name |
TEPP |
|---|
| Alternative Name |
Tetraethylpyrophosphate |
|---|
| CAS Number |
107-49-3 |
|---|
| Formula |
C8-H20-O7-P2 |
|---|
| Major Category |
Pesticides |
|---|
| Synonyms |
Bis-O,O-diethylphosphoric anhydride; Bladan; Bladan (VAN); Diphosphoric acid tetraethyl ester; EA 1285; Ethyl pyrophosphate; Ethyl pyrophosphate (Et4P2O7); Ethyl pyrophosphate, tetra-; Fosvex; Grisol; HEPT; Hepthexamite; Hexamite; Killax; Killex; Kilmite 40; Lethalaire G-52; Lirohex; Mortopal; Nifos; Nifos T; Nifost; O,O,O,O-Tetraaethyl-diphosphat, bis(O,O-diaethylphosphorsaeure-anhydrid) [German]; O,O,O,O-Tetraethyl-difosfaat [Dutch]; O,O,O,O-Tetraetil-pirofosfato [Italian]; Pyrophosphate de tetraethyle [French]; TEPP; Tetraaethylpyrophosphorsaeureester [German]; Tetraethyl diphosphate; Tetraethyl pyrofosfaat [Belgian]; Tetraethyl pyrofosfaat [Dutch]; Tetraethyl pyrophosphate; Tetraethyldifosfat [Czech]; Tetraethylpyrofosfat [Czech]; Tetraethylpyrophosphate; Tetraethylpyrophosphorsaeureester [German]; Tetrastigmine; Tetron; Tetron-100; Vapotone; [ChemIDplus] |
|---|
| Category |
Organophosphates |
|---|
| Description |
Colorless to amber liquid with a faint, fruity odor. [insecticide] [Note: A solid below 32 degrees F.]; [NIOSH] |
|---|
| Sources/Uses |
Commercially available as dust, concentrate, or solution in methyl chloride to kill aphids, spiders, mites, mealy bugs, leafhoppers, and thirps; [ACGIH] Used on vegetable and fruit crops, it is one of the first organophosphate insecticide developed and has been largely replaced by newer products. [HSDB] |
|---|
| Comments |
Many deaths have been reported, most after suicidal ingestion. Several cases of severe poisoning and death have been reported after spills in which workers clothing was contaminated. [ACGIH] |
|---|
| Exposure Assessment |
|---|
| BEI |
Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH] |
|---|
| Skin Designation (ACGIH) |
Yes |
|---|
| TLV (ACGIH) |
0.01 mg/m3, inhalable fraction and vapor |
|---|
| PEL (OSHA) |
0.05 mg/m3 |
|---|
| MAK |
0.06 mg/m3 |
|---|
| IDLH (NIOSH) |
5 mg/m3 |
|---|
| Vapor Pressure |
0.00015 mm Hg |
|---|
| Lethal Concentration |
LC50 (rats) = 7 mg/m3/4H; [ACGIH] |
|---|
| Adverse Effects |
|---|
| Other Poison |
Organophosphate |
|---|
| Links to Other NLM Databases |
|---|
| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: TETRAETHYL PYROPHOSPHATE
|
|---|
|
|
