Reported in EPA TSCA Inventory.

OSHA PEL: TWA Total Dust: 10 mg/m³; Respirable Fraction: 5 mg/m³
ACGIH TLV: TWA 10 mg/m³

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 is a White crystalline solid or liquid. Temefos or Temephos(CAS NO.3383-96-8) (trade name Abate) is an organophosphate larvicide used to treat water infested with disease-carrying fleas. It is also used to control mosquito, midge, and black fly larvae. Temephos is also used in the Guinea Worm Eradication program to kill water fleas that carry guinea worm larvae.

Physical properties about Temephos are: (1)ACD/LogP: 5.96; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.96; (4)ACD/LogD (pH 7.4): 5.96; (5)ACD/BCF (pH 5.5): 19934.28; (6)ACD/BCF (pH 7.4): 19934.28; (7)ACD/KOC (pH 5.5): 41614.13; (8)ACD/KOC (pH 7.4): 41614.13; (9)#H bond acceptors: 6; (10)#Freely Rotating Bonds: 10; (11)Index of Refraction: 1.613; (12)Molar Refractivity: 115.908 cm³; (13)Molar Volume: 333.17 cm³; (14)Polarizability: 45.95 10-24cm³; (15)Surface Tension: 61.8219985961914 dyne/cm; (16)Density: 1.4 g/cm³; (17)Flash Point: 267.385 °C; (18)Enthalpy of Vaporization: 76.123 kJ/mol; (19)Boiling Point: 518.508 °C at 760 mmHg

When you are using this chemical, please be cautious about it as the following:
1. Do not breathe dust;
2. Wear suitable gloves;
3. Avoid release to the environment. Refer to special instructions safety data sheet;
4. This material and/or its container must be disposed of as hazardous waste;

You can still convert the following datas into molecular structure:
(1)InChI=1S/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;
(2)InChIKey=WWJZWCUNLNYYAU-UHFFFAOYSA-N;
(3)SmilesP(Oc1ccc(Sc2ccc(OP(OC)(OC)=S)cc2)cc1)(OC)(OC)=S;

The toxicity data is as follows: