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| CAS No.: | 21609-90-5 |
|---|---|
| Name: | LEPTOMYCIN B |
| Article Data: | 18 |
| Molecular Structure: | |
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| Formula: | C13H10 Br Cl2 O2 P S |
| Molecular Weight: | 412.071 |
| Synonyms: | Phosphonothioicacid, phenyl-, O-(4-bromo-2,5-dichlorophenyl) O-methyl ester (8CI,9CI);(?à)-Leptophos;Abar;Fosvel;K62-105;Leptophos;MBCP;NK 711;O-(4-Bromo-2,5-dichlorophenyl) O-methylphenylphosphonothioate;Oleophosvel;Phosvel;VCS 506;Velsicol 506;VelsicolVCS 506; |
| EINECS: | 244-472-8 |
| Density: | 1.66 g/cm3 |
| Melting Point: | 71-73 °C |
| Boiling Point: | 444.4 °C at 760 mmHg |
| Flash Point: | 222.6 °C |
| Solubility: | 0.005 mg l-1 |
| Hazard Symbols: |
 
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| Risk Codes: | 21-25-39/25-50/53 |
| Safety: | Poison by ingestion, skin contact, intraperitoneal, and subcutaneous routes. An experimental teratogen. Mutation data reported. Used in insecticides. When heated to decomposition it emits very toxic fumes of SOx, POx, Br−, and Cl−. |
| PSA: | 60.36000 |
| LogP: | 6.06670 |
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Chemistry
Molecular Structure of Leptophos (CAS NO. 21609-90-5):
EINECS: 244-472-8
IUPAC Name: (4-Bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-$l^{5}-phosphane
Molecular Formula: C13H10BrCl2O2PS
Molecular Weight: 412.066061 g/mol
XLogP3: 6.3
H-Bond Donor: 0
H-Bond Acceptor: 2
Canonical SMILES: COP(=S)(C1=CC=CC=C1)OC2=CC(=C(C=C2Cl)Br)Cl
InChI: InChI=1S/C13H10BrCl2O2PS/c1-17-19(20,9-5-3-2-4-6-9)18-13-8-11(15)10(14)7-12(13)16/h2-8H,1H3
InChIKey: CVRALZAYCYJELZ-UHFFFAOYSA-N
Index of Refraction: 1.651
Molar Refractivity: 90.68 cm3
Molar Volume: 248.1 cm3
Surface Tension: 61.9 dyne/cm
Density: 1.66 g/cm3
Flash Point: 222.6 °C
Enthalpy of Vaporization: 67.52 kJ/mol
Boiling Point: 444.4 °C at 760 mmHg
Vapour Pressure: 1.12E-07 mmHg at 25 °C
Melting Point: 71-73 °C
Water Solubility: 0.01053 mg/L at 25 °C
Storage Temp.: 0-6 °C
Toxicity Data With Reference
| 1. | sce-ham:ovr 300 µmol/L | JTEHD6 Journal of Toxicology and Environmental Health. 8 (1981),939. | ||
| 2. | orl-rat LD50:19 mg/kg | FAATDF Fundamental and Applied Toxicology. 7 (1986),299. | ||
| 3. | skn-rat LD50:44 mg/kg | FAATDF Fundamental and Applied Toxicology. 7 (1986),299. | ||
| 4. | ipr-rat LD50:135 mg/kg | OYYAA2 Oyo Yakuri. Pharmacometrics. 22 (1981),373. | ||
| 5. | orl-mus LD50:65 mg/kg | JAFCAU Journal of Agricultural and Food Chemistry. 27 (1979),1197. | ||
| 6. | scu-mus LD50:120 mg/kg | OYYAA2 Oyo Yakuri. Pharmacometrics. 3 (1969),74. | ||
| 7. | orl-rbt LD50:124 mg/kg | JETOAS Journal Europeen de Toxicologie. 6 (1973),70. | ||
| 8. | skn-rbt LD50:800 mg/kg | JETOAS Journal Europeen de Toxicologie. 6 (1973),70. |
Safety Profile
Safety Information of Leptophos (CAS NO. 21609-90-5):
Hazard Codes: T 
,N 
,Xi 
Risk Statements: 21-25-39-50/53-36/37/38
R21:Harmful in contact with skin
R25 :Toxic if swallowed
R39:Danger of very serious irreversible effects
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 25-36/37/39-45-60-61-23-36-26
S25:Avoid contact with eyes
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
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
S23:Do not breathe vapour
S36:Wear suitable protective clothing
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
RIDADR: 2783
RTECS: TB1720000
HazardClass: 6.1(a)
PackingGroup: II
Poison by ingestion, skin contact, intraperitoneal, and subcutaneous routes. An experimental teratogen. Mutation data reported. Used in insecticides. When heated to decomposition it emits very toxic fumes of SOx, POx, Br−, and Cl−.
Specification
Leptophos with cas registry number of 21609-90-5 is also known as Oleophosvel ; Phosvel ; Fosvel ; Abar ; Abar (velsicol) ; Leptophos [ISO] ; Velsicol 506 ; (+-)-Leptophos ; MBCP . It can be used as agricultural pesticide.