Famphur Famphur

Valfenfos structural formula

Structural formula

Business number 015N
Molecular formula C10H16NO5PS2
Molecular weight 325.34
label

amphosphonate,

O-{4-[(Dimethylamino)sulfonyl]phenyl}-O,O-dimethylphosphorothioate,

Famfur,

Famphos,

Famophos,

Warbex,

O-{4-[(Dimethylamino)sulfonyl]phenyl}-O,O-dimethyl phosphorothioate,

Organophosphorus pesticides

Numbering system

CAS number:52-85-7

MDL number:MFCD00055307

EINECS number:200-154-0

RTECS number:TF7650000

BRN number:2224254

PubChem ID:None

Physical property data

1. Characteristics: Colorless crystal


2. Density ( g/mL,25/4℃): Undetermined


3. Relative steam Density (g/mL,AIR=1): Undetermined


4. Melting point ( ºC):55


5. Boiling point ( ºC,Normal pressure): Undetermined


6. Boiling point ( ºC, 13.33kpa):


7. Refractive Index : Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical activity Degree (º,): Undetermined


10. Spontaneous ignition point or ignition temperature (ºC): Undetermined


11. Vapor Pressure (kPa,25ºC): Undetermined


12. %,V/V): Undetermined


18. Lower explosion limit (%,V/V): Undetermined


19. Solubility :Solubility in water is100mg/L. Soluble in xylene, chloroform, acetone and other solvents.

Toxicological data

1, acute toxicity: rat oral LD50: 28mg/kg; Rat, skin contact LD50: 400mg/kg; Small Mouse oral LD50: 9500ug/kg; Mouse abdominal cavity LD50: 11600ug/kg;
Rabbit, skin contact LD50: 1460 mg/kg; wild bird oral LD50180ug/kg
2, other multi-dose toxicity: rat oral TDLo: 13500ug/kg/90D- C

Ecological data

None

Molecular structure data

1. Molar refractive index: 76.92


2. Molar volume (m3/mol):240.2


3. isotonic ratio(90.2K)641.9


4. Surface Tension(dyne/cm)50.9


5. Polarizability(10-24cm3)30.49

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 7

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 106

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 418

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

Dimethoxyphosphorothioate chloride can be reacted with p-dimethylaminosulfonylphenol Preparation.

Purpose

Used to prevent and control internal and external parasites in livestock, such as body lice, wild fly larvae, subcutaneous fly larvae, etc. Preparations include powder and pouring agent.

; TEXT-ALIGN: left; mso-list: l0 level2 lfo1; tab-stops: list 36.0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto” align=left>2. Molar volume (m 3/mol):240.2


3. isotonic ratio(90.2K)641.9


4. Surface Tension(dyne/cm)50.9


5. Polarizability(10-24cm3)30.49

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 7

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 106

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 418

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

Dimethoxyphosphorothioate chloride can be reacted with p-dimethylaminosulfonylphenol Preparation.

Purpose

Used to prevent and control internal and external parasites in livestock, such as body lice, wild fly larvae, subcutaneous fly larvae, etc. Preparations include powder and pouring agent.

�etc. Preparations include powder and pouring agent.

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