MERPHOS

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Names

[ CAS No. ]:
150-50-5

[ Name ]:
MERPHOS

[Synonym ]:
trithiophosphite de tributyle
Phosphorotrithious acid,tributyl ester
Chemagro B-1776
Butyl phosphorotrithioite
Tributyltrithiophosphit
Tributyl-trithiophosphit
Phosphorotrithious acid, tributyl ester
EINECS 205-761-4
Caswell No. 865
MERPHOS
Easy off-D
Tributyl phosphorotrithioite
Tributyl trithiophosphite
Deleaf defoliant
S,S,S-tributyl phosphorotrithioite
Folex 6EC
trithiophosphoric acid tributyl ester
tris(butylsulfanyl)phosphane
trithiophosphorous acid tributyl ester
Trithiophosphorigsaeure-tributylester
Chemagro B 1776

Chemical & Physical Properties

[ Boiling Point ]:
380.3±25.0 °C at 760 mmHg

[ Molecular Formula ]:
C12H27PS3

[ Molecular Weight ]:
298.512

[ Flash Point ]:
183.8±23.2 °C

[ Exact Mass ]:
298.101257

[ PSA ]:
89.49000

[ LogP ]:
8.70

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TG5600000
CHEMICAL NAME :
Phosphorotrithious acid, tributyl ester
CAS REGISTRY NUMBER :
150-50-5
BEILSTEIN REFERENCE NO. :
1703869
LAST UPDATED :
199701
DATA ITEMS CITED :
12
MOLECULAR FORMULA :
C12-H27-P-S3
MOLECULAR WEIGHT :
298.54
WISWESSER LINE NOTATION :
4SPS4&S4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
910 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 14,515,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
615 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
70 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1117,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
350 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,308,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
635 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 27(8),97,1962
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
170 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 27(8),97,1962
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>4600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,819,1987
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
850 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 27(8),97,1962 *** 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

Safety Information

[ RIDADR ]:
UN 3278

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2931900090

Precursor & DownStream

Precursor

  • butanethiol
  • 5,6-Dithiadecane
  • 2-acetoxy-5,6-dihydro-2H-pyran
  • Butylthiotrimethylsilane
  • dibutyl phosphorochloridodithioite

DownStream

  • 1-butan-2-yloxysulfonothioyl-4-methyl-benzene

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%


Related Compounds

  • Merphos oxide
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 5-Chloro-2-pyridin-2-yl-pyrimidine
  • Tert-butyl 6-cyano-1-azaspiro[3.3]heptane-1-carboxylate