MERPHOS

Modify Date: 2024-01-03 14:03:42

MERPHOS Structure
MERPHOS structure
Common Name MERPHOS
CAS Number 150-50-5 Molecular Weight 298.512
Density N/A Boiling Point 380.3±25.0 °C at 760 mmHg
Molecular Formula C12H27PS3 Melting Point N/A
MSDS N/A Flash Point 183.8±23.2 °C

 Names

Name merphos
Synonym More Synonyms

 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

 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%

 Synonyms

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