mpp
Suppliers
Names
[ CAS No. ]:
55-38-9
[ Name ]:
mpp
[Synonym ]:
Phosphorothioic acid, O,O-dimethyl O-[3-methyl-4-(methylthio)phenyl] ester
Baytex
Lebaycid
MPP (VAN)
Phenthion
MPP
Mercaptophos
dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-λ<sup>5</sup>-phosphane
MFCD00055449
Thiophosphate de O,O-diméthyle et de O-[3-méthyl-4-(méthylsulfanyl)phényle]
O,O-Dimethyl O-[3-methyl-4-(methylsulfanyl)phenyl] phosphorothioate
Fenthione
Phosphorothioic acid, O,O-dimethyl O-[4-(methylthio)-m-tolyl] ester
O,O-dimethyl O-[3-methyl-4-(methylthio)phenyl] phosphorothioate
O,O-dimethyl O-[3-methyl-4-(methylthio)phenyl] thiophosphate
Figuron
Sulfidophos
O,O-dimethyl O-4-methylthio-m-tolyl phosphorothioate
O,O-Dimethyl-O-[3-methyl-4-(methylsulfanyl)phenyl]thiophosphat
Baycid
EINECS 200-231-9
Phosphorothioic Acid O,O-Dimethyl O-[3-Methyl-4-(methylthio)phenyl] Ester
Fenthion
Fenthionon
O,O-Dimethyl O-[4-(Methylthio)-m-tolyl] Phosphorothioate
Fenthion (Baytex)
Bayer S 1752
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
[ Boiling Point ]:
330.0±52.0 °C at 760 mmHg
[ Melting Point ]:
7.5°C
[ Molecular Formula ]:
C10H15O3PS2
[ Molecular Weight ]:
278.328
[ Flash Point ]:
153.4±30.7 °C
[ Exact Mass ]:
278.020020
[ PSA ]:
94.89000
[ LogP ]:
3.21
[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C
[ Index of Refraction ]:
1.565
[ Stability ]:
Stable. Incompatible with strong oxidizing agents.
[ Water Solubility ]:
0.0055 g/100 mL
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TF9625000
- CHEMICAL NAME :
- Phosphorothioic acid, O,O-dimethyl O-(4-(methylthio)-m-tolyl) ester
- CAS REGISTRY NUMBER :
- 55-38-9
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 69
- MOLECULAR FORMULA :
- C10-H15-O3-P-S2
- MOLECULAR WEIGHT :
- 278.34
- WISWESSER LINE NOTATION :
- 1SR B1 DOPS&O1&O1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 1200 uL/kg
- TOXIC EFFECTS :
- Behavioral - coma Cardiac - pulse rate Gastrointestinal - hypermotility, diarrhea
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 643 uL/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - fasciculations Behavioral - ataxia Cardiac - pulse rate
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 257 mg/kg
- TOXIC EFFECTS :
- Cardiac - pulse rate increase, without fall in BP Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 525 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory depression
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 180 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 800 mg/m3/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 330 mg/kg
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 260 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 88100 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1 gm/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 125 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 144 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 320 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intracerebral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 40 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 150 mg/kg
- TOXIC EFFECTS :
- Behavioral - muscle weakness Gastrointestinal - changes in structure or function of salivary glands Kidney, Ureter, Bladder - other changes
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1 gm/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 260 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1 gm/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 310 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - pigeon
- DOSE/DURATION :
- 1780 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- 20 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- 20 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- 11 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - duck
- DOSE/DURATION :
- 5900 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Bird - duck
- DOSE/DURATION :
- 44 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Mammal - domestic
- DOSE/DURATION :
- 46 mg/kg
- TOXIC EFFECTS :
- Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - reactivates cholinesterase
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 105 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Behavioral - muscle contraction or spasticity
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 46200 ug/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Behavioral - muscle contraction or spasticity
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - wild bird species
- DOSE/DURATION :
- 1300 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 172 mg/kg/6D-I
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - structural change in nerve or sheath Blood - changes in bone marrow (not otherwise specified) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 380 mg/kg/19D-I
- TOXIC EFFECTS :
- Brain and Coverings - other degenerative changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3225 mg/kg/43W-I
- TOXIC EFFECTS :
- Brain and Coverings - other degenerative changes
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 365 mg/kg/5D-I
- TOXIC EFFECTS :
- Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1200 mg/kg/60D-C
- TOXIC EFFECTS :
- Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5200 mg/kg/1Y-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - retinal changes (pigmentary depositions, retinitis, other) Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 260 mg/kg/13W-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - retinal changes (pigmentary depositions, retinitis, other)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- 35 mg/kg/7D-I
- TOXIC EFFECTS :
- Behavioral - ataxia Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - domestic
- DOSE/DURATION :
- 7500 ug/kg/5D-C
- TOXIC EFFECTS :
- Behavioral - food intake (animal) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1730 mg/kg/103W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1050 mg/kg
- SEX/DURATION :
- multigenerations
- TOXIC EFFECTS :
- Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 40 mg/kg
- SEX/DURATION :
- female 11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Lung
- DOSE/DURATION :
- 40 mg/L
- REFERENCE :
- ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 4,621,1982 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.2 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 46,1,1973 TOXICOLOGY REVIEW CNDQA8 Cahiers de Nutrition et de Dietetique. (Editions Meteore, 42, rue du Louvre, 75001 Paris, France) V.1- 1966- Volume(issue)/page/year: 10(3),43,1975 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.2 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.2 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3;Skin JAN 1993 OEL-GERMANY:TWA 0.2 mg/m3;Skin JAN 1993 OEL-JAPAN:TWA 0.2 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9267 No. of Facilities: 221 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 2142 (estimated) No. of Female Employees: 442 (estimated)
Safety Information
[ Symbol ]:
GHS06, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H302 + H312-H331-H341-H372-H410
[ Precautionary Statements ]:
P261-P273-P280-P311-P501
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
T:Toxic;N:Dangerousfortheenvironment;
[ Risk Phrases ]:
R21/22;R23;R48/25;R50/53;R68
[ Safety Phrases ]:
S36/37-S45-S60-S61-S62
[ RIDADR ]:
UN 2810/3017
[ RTECS ]:
TF9625000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1(b)
[ HS Code ]:
2930909066
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2930909066
[ Summary ]:
2930909066 o,o-diethyl s-(2-(isopropylamino)-2-oxoethyl) phosphorodithioate
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