| Identification | |
| Name: | Temephos |
| Synonyms: | Phosphorothioicacid, O,O-dimethyl ester, O,O-diester with 4,4'-thiodiphenol (7CI);Phosphorothioic acid, O,O'-(thiodi-4,1-phenylene) O,O,O',O'-tetramethyl ester(9CI);Phosphorothioic acid, O,O'-(thiodi-p-phenylene) O,O,O',O'-tetramethylester (8CI);AC 52160;Abate;Abathion;Azai-SS;Biothion;Biothon;Difenphos;Difos;Diphos;Diphos (pesticide);EI 52160;ENT 27165;Ecopro 1707;Experimental Insecticide 52,160;Lavifos;Mosq;Nephis;Nephis 1G;O,O,O',O'-Tetramethyl O,O'-thiodi-p-phenylene phosphorothioate;Procida;Temefos;Phosphorothioic acid,Op,Op'-(thiodi-4,1-phenylene) Op,Op,Op',Op'-tetramethyl ester; |
| CAS: | 3383-96-8 |
| EINECS: | 222-191-1 |
| Molecular Formula: | C16H20O6P2S3 |
| Molecular Weight: | 466.48 |
| InChI: | InChI=1/C16H20O6P2S3/c1-17-23(25,18-2)21-13-5-9-15(10-6-13)27-16-11-7-14(8-12-16)22-24(26,19-3)20-4/h5-12H,1-4H3 |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 3077 |
| Melting Point: | 30-31 ºC |
| Density: | 1.4 g/cm3 |
| Stability: | Stable indefinitely at room temperature; no observed hydrolysis at pH 8 at room temperature for several wk or at pH 11 at 40 C for several hr. Optimum stability at pH 5-7 stable @ 25 C and in natural fresh and saline waters. |
| Refractive index: | 1.612 |
| Water Solubility: | 0.003 G/100 ML |
| Solubility: | 0.003 g/100 mL in water,soluble in common organic solvents; insoluble in hexane and methylcyclohexane |
| Appearance: | White crystalline solid or liquid. |
| Specification: |
Temephos , its cas register number is 3383-96-8. It also can be called Biothion ; Bis-p-(O,O-dimethyl O-phenylphosphorothioate)sulfide ; Bithion ; Difenphos ; Difos ; Diphos ; Diphos (pesticide) ; EPA Pesticide Chemical Code 059001 ; Etidronsaeure ; Lypor ; Nephis ; Nimitex ; O,O'-(Thiodi-4,1-phenylene) O,O,O',O'-tetramethyl di(phosphorothioate) ; Phenol, 4,4'-thiodi-, O,O-diester with O,O-dimethyl phosphorothioate ; Procida ; Swebat ; Temefosum ; Tetramethyl O,O'-thiodi-p-phenylene phosphorothioate . Temephos (CAS NO.3383-96-8) is a White crystalline solid or liquid. |
| Report: |
Reported in EPA TSCA Inventory. |
| Packinggroup: | I; II; III |
| Storage Temperature: | 2-8°C |
| Color: | Colorless crystals White, crystalline solid or liquid (above 87 degrees F) [Note: Technical grade is a brown, viscous liquid]. |
| Usage: | Larvicide for mosquitoes, black flies & midges & in other applications. |
| Safety Data | |
| Hazard Symbols |
Xi: Irritant
N: Dangerous for the environment
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