CAS No.52-85-7,FAMPHUR Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	52-85-7
Name:	FAMPHUR

Formula:	C₁₀H₁₆NO₅PS₂
Molecular Weight:	325.346
Synonyms:	Phosphorothioicacid, O,O-dimethyl ester, O-ester with p-hydroxy-N,N-dimethylbenzenesulfonamide(8CI);Phosphorothioic acid, O-[p-(dimethylsulfamoyl)phenyl] O,O-dimethyl ester(6CI);Benzenesulfonamide, p-hydroxy-N,N-dimethyl-, O-ester with O,O-dimethylphosphorothioate;CL 38023;ENT 25,644;Famfur;Famophos;Famphos;Famphur;O,O-DimethylO-[p-(dimethylsulfamoyl)phenyl] phosphorothioate;O,O-Dimethyl phosphorothioateO-ester with p-hydroxy-N,N-dimethylbenzenesulfonamide;Warbex;
EINECS:	200-154-0
Density:	1.354 g/cm₃
Melting Point:	-96.7 ºC
Boiling Point:	394.2 ºC at 760 mmHg
Flash Point:	192.2 ºC
Solubility:	Moderate; 50-99%
Appearance:	LIQUID
Hazard Symbols:	T
Risk Codes:	63-43-36/37/38-23/24/25-45
Safety:	22-24/25-45-36/37-23-53
PSA:	115.35000
LogP:	3.56440

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

   Famphur with the CAS registry number 52-85-7, is also named as American cyanamid CL 38023 ; O-[4-(Dimethylsulfamoyl)phenyl] O,O-dimethyl phosphorothioate ; Phosphorothioic acid,O,O-dimethyl ester O-ester with p-hydroxy-N,N-dimethylbenzenesulfonamide .
   Organothiophosphates, such as Famphur, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides. Famphur (CAS NO.52-85-7) is used as insecticide.
   Poison by ingestion and intramuscular routes. Moderately toxic by skin contact. A cholinesterase inhibitor. When heated to decomposition it emits toxic fumes of NOx and SOx. See also parathion. 1.It is possible risk of harm to the unborn child, so people don't breathe dust. 2. It is may cause sensitization by skin contact and irritating to eyes, respiratory system and skin., people must be avoid contact with skin and eyes and wear suitable protective clothing and gloves. 3. It is toxic by inhalation, in contact with skin and if swallowed, so people do not breathe vapour. 4. It is may cause cancer, so it is must avoid exposure and obtain special instructions before use. And Its toxic tabulation is:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
bird - wild	LD50	oral	1800ug/kg (1.8mg/kg)		Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
domestic animals - goat/sheep	LD50	intramuscular	59mg/kg (59mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: FOOD INTAKE (ANIMAL)	Veterinariya. Veterinary Science. Vol. 54(12), Pg. 94, 1978.
domestic animals - goat/sheep	LD50	oral	400mg/kg (400mg/kg)		"Organophosphorus Pesticides: Organic and Biological Chemistry," Eto, M., Cleveland, OH, CRC Press, Inc., 1974Vol. -, Pg. 299, 1974.
mammal (species unspecified)	LD50	intramuscular	64mg/kg (64mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)	Veterinariya. Veterinary Science. Vol. 54(12), Pg. 94, 1978.
mouse	LD50	intraperitoneal	11600ug/kg (11.6mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Journal of Agricultural and Food Chemistry. Vol. 13, Pg. 366, 1965.
mouse	LD50	oral	9500ug/kg (9.5mg/kg)		Agricultural and Biological Chemistry. Vol. 34, Pg. 1697, 1970.
rabbit	LD50	skin	1460mg/kg (1460mg/kg)		World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat	LD50	oral	28mg/kg (28mg/kg)		Fundamental and Applied Toxicology. Vol. 7, Pg. 299, 1986.
rat	LD50	skin	400mg/kg (400mg/kg)		Fundamental and Applied Toxicology. Vol. 7, Pg. 299, 1986.