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| CAS No.: | 4824-78-6 |
|---|---|
| Name: | BROMOPHOS-ETHYL |
| Article Data: | 5 |
| Molecular Structure: | |
|
|
|
| Formula: | C10H12 Br Cl2 O3 P S |
| Molecular Weight: | 394.053 |
| Synonyms: | BromophosA; Bromophos-ethyl; Ethyl bromophos; Filariol; Filariol 60; Nexagan; Nexagan G;O,O-Diethyl O-(2,5-dichloro-4-bromophenyl) thiophosphate;O-(4-Bromo-2,5-dichlorophenyl) O,O-diethyl phosphorothioate; OMS 659 |
| Density: | 1.59g/cm3 |
| Boiling Point: | 388.8°Cat760mmHg |
| Flash Point: | 188.9°C |
| Solubility: | 0.34mg/L(20 oC) |
| Hazard Symbols: |
 T, N
|
| Risk Codes: | R21; R25; R50/53 |
| Safety: | Poison by ingestion. Moderately toxic by skin contact and inhalation. An insecticide. When heated to decomposition it emits very toxic fumes of Br−, POx, SOx, and Cl−. See also CHLOROPHENOLS. |
| PSA: | 69.59000 |
| LogP: | 6.08280 |
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Chemistry
IUPAC Name: (4-bromo-2,5-dichlorophenoxy)-diethoxy-sulfanylidene-$l^{5}-phosphane
Synonyms of Ethyl bromophos (CAS NO.4824-78-6): Bromophos-ethyl ; Bromophos-ethyl [BSI:ISO] ; AI3-27258 ; BRN 2294153 ; Bromofos-ethyl ; Bromophos-ethyl ; Caswell No. 114D ; Cela S 2225 ; EINECS 225-399-0 ; ENT 27,258 ; EPA Pesticide Chemical Code 214500 ; Enkt 27258 ; Filariol ; HSDB 6574 ; Nexagan ; O,O-Diaethyl-O-(2,5-dichlor-4-bromphenyl)-thionophosphat ; O,O-Diaethyl-O-(2,5-dichlor-4-bromphenyl)-thionophosphat [German] ; O,O-Diaethyl-O-(4-brom-2,5-dichlor)-phenyl-monothiophosphat ; O,O-Diaethyl-O-(4-brom-2,5-dichlor)-phenyl-monothiophosphat [German] ; O,O-Diethyl O-(2,5-dichloro-4-bromophenyl) thiophosphate ; O,O-Diethyl O-2,5-dichloro-4-bromophenyl-phosphorothioate ; O,O-Diethyl-O-(4-broom-2,5-dichloor-fenyl)-monothiofosfaat ; O,O-Diethyl-O-(4-broom-2,5-dichloor-fenyl)-monothiofosfaat [Dutch] ; O,O-Dietil-O-(4-bromo-2,5 dicloro-fenil)-monotiofosfato ; O,O-Dietil-O-(4-bromo-2,5 dicloro-fenil)-monotiofosfato [Italian] ; O-(4-Bromo-2,5 dichlorophenyl) O,O-diethylphosphorothionate ; O-(4-Bromo-2,5-dichlorophenyl) O,O-diethyl monothiophosphate ; O-(4-Bromo-2,5-dichlorophenyl) O,O-diethyl phosphorothioate ; OMS-659 ; Phenol, 4-bromo-2,5-dichloro-, O-ester with O,O-diethyl phosphorothioate ; S-2225 ; Thiophosphate de O,O-diethyle et de O-(2,5-dichloro-4-bromo) phenyle ; Thiophosphate de O,O-diethyle et de O-(2,5-dichloro-4-bromo) phenyle [French] ; Bromophos-ethyl ; Phosphorothioic acid, O-(4-bromo-2,5-dichlorophenyl) O,O-diethyl ester
CAS NO: 4824-78-6
Molecular Formula: C10H12BrCl2O3PS
Molecular Weight: 394.06
Index of Refraction: 1.575
Surface Tension: 49.8 dyne/cm
Density: 1.59 g/cm3
Flash Point: 188.9 °C
Enthalpy of Vaporization: 61.31 kJ/mol
Boiling Point: 388.8 °C at 760 mmHg
Vapour Pressure: 6.69E-06 mmHg at 25°C
Molecular Structure: .gif)
Uses
Ethyl bromophos (CAS NO.4824-78-6) can make Pesticides.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| bird - wild | LD50 | oral | 20500ug/kg (20.5mg/kg) | Journal de Toxicologie Clinique et Experimentale. Vol. 6(3), Pg. 175, 1986. | |
| chicken | LD50 | oral | 600mg/kg (600mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| dog | LD50 | oral | 360mg/kg (360mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| domestic animals - goat/sheep | LDLo | oral | 125mg/kg (125mg/kg) | Pesticide Manual. Vol. 1, Pg. 49, 1968. | |
| guinea pig | LDLo | oral | 100mg/kg (100mg/kg) | Pesticide Manual. Vol. 1, Pg. 49, 1968. | |
| mouse | LD50 | intraperitoneal | 25mg/kg (25mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| mouse | LD50 | oral | 210mg/kg (210mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C51, 1991. | |
| quail | LD50 | oral | 200mg/kg (200mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| rabbit | LD50 | oral | 28mg/kg (28mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| rabbit | LD50 | skin | 500mg/kg (500mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| rat | LCLo | inhalation | 16600ppb/2H (16.6ppm) | "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976. | |
| rat | LD50 | intraperitoneal | 60mg/kg (60mg/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toxicology and Applied Pharmacology. Vol. 25, Pg. 180, 1973. |
| rat | LD50 | oral | 52mg/kg (52mg/kg) | Special Publication of the Entomological Society of America. Vol. 78-1, Pg. 36, 1978. | |
| rat | LD50 | skin | 1gm/kg (1000mg/kg) | World Review of Pest Control. Vol. 9, Pg. 119, 1970. | |
| rat | LD50 | unreported | 238mg/kg (238mg/kg) | "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 335, 1971. |
Consensus Reports
Chlorophenol compounds are on the Community Right-To-Know List.
Safety Profile
Hazard Codes: T
T,N
N
Risk Statementsof Ethyl bromophos (CAS NO.4824-78-6): 21-25-50/53
R21:Harmful in contact with skin. R25 :Toxic if swallowed. R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 28-36/37-45-60-61
S28:After contact with skin, wash immediately with plenty of soap-suds. S36/37:Wear suitable protective clothing and gloves. S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60:This material and its container must be disposed of as hazardous waste. S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: 3018
RTECS: TE7000000
HazardClass: 6.1(a)
PackingGroup: II
Poison by ingestion. Moderately toxic by skin contact and inhalation. An insecticide. When heated to decomposition it emits very toxic fumes of Br−, POx, SOx, and Cl−. See also CHLOROPHENOLS.