CAS No.35575-96-3,Azamethiphos Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	35575-96-3
Name:	Azamethiphos

Formula:	C₉H₁₀ClN₂O₅PS
Molecular Weight:	324.682
Synonyms:	Phosphorothioic acid,esters,S-[(6-chloro-2- oxooxazolo[4,5-b]pyridin-3(2H)-yl)methyl] O,O-dimethyl ester;Atrasentan Hydrochloride;S-((6-Chloro-2-oxooxazolo(4,5-b)pyridin-3(2 h)-yl)methyl) o,o-di-methylphosphorothioate;Thiophosphorsaeure-o,o-dimethyl-s-(6-chlor-oxazolo(4,5-b)pyridin-2(3 h)-o-n-3-yl)methyl-ester;
EINECS:	252-626-0
Density:	1.566 g/cm³
Melting Point:	88-93 °C
Boiling Point:	428.8 °C at 760 mmHg
Flash Point:	213.1 °C
Solubility:	1.1g/kg at 20 °C in water
Appearance:	White or offwhite powder
Hazard Symbols:	Xn
Risk Codes:	22-36-40-21
Safety:	26-36/37-24/25-23
Transport Information:	UN 1593 6.1/PG 3
PSA:	118.67000
LogP:	2.73450

Synthetic route

: C7H5ClN2O2S

: 868-85-9
Dimethyl phosphite

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
With oxygen; caesium carbonate In acetonitrile at 60℃; under 760.051 Torr; for 12h;	69%

: 35570-70-8
6-chloro-3-chloromethyl-3H-oxazolo[4,5-b]pyridin-2-one

ammonium-thio-O,O-dimethylphosphate: ammonium-thio-O,O-dimethylphosphate

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
In methanol	64%

: 35570-70-8
6-chloro-3-chloromethyl-3H-oxazolo[4,5-b]pyridin-2-one

: 40633-14-5
Ammoniumsalz des O,O'-Dimethyl-thiophosphats

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
In methanol for 0.0833333h; Heating;

: 35570-68-4
6-chlorooxazole[4,5-b]pyridine-2(3H)-one

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: H2O 2: SOCl2 / CHCl3 3: methanol / 0.08 h / Heating View Scheme

: 35570-69-5
6-chloro-3-hydroxymethyl-3H-oxazolo[4,5-b]pyridin-2-one

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: SOCl2 / CHCl3 2: methanol / 0.08 h / Heating View Scheme

: 16867-03-1
2-amino-3-hydroxypyridine

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: Py / 1 h / Ambient temperature 2: Cl2 / dimethylformamide / Ambient temperature 3: H2O 4: SOCl2 / CHCl3 5: methanol / 0.08 h / Heating View Scheme

: 60832-72-6
2,3-dihydro[1,3]oxazolo[4,5-b]pyridin-2-one

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: Cl2 / dimethylformamide / Ambient temperature 2: H2O 3: SOCl2 / CHCl3 4: methanol / 0.08 h / Heating View Scheme

: C7H4Cl3N2O3PS

: 124-41-4
sodium methylate

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

Conditions

Conditions	Yield
In methanol at 10 - 60℃;	183 g

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

: C24H16CuN6O10

: C9H10ClCuN4O11PS

Conditions

Conditions	Yield
In methanol pH=7.4;

: 35575-96-3
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate

: C16H13CuNO3S(2+)

: C25H23ClCuN3O8PS2(2+)

Conditions

Conditions	Yield
With N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid In water pH=7.4; Solvent;

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Chemistry

Molecular Structure of Azamethiphos (CAS NO.35575-96-3):

IUPAC Name:6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one
Molecular Formula: C₉H₁₀ClN₂O₅PS
Molecular Weight: 324.69
EINECS: 252-626-0
Density: 1.566 g/cm³
Melting Point: 88-93 °C
Boiling Point: 428.8 °C at 760 mmHg
Flash Point: 213.1 °C
Solubility: 1.1g/kg at 20 °C in water
Appearance: White or off white powder
H bond acceptors: 7
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 113.07Å²
Molar Refractivity: 69.81 cm³
Molar Volume: 207.2 cm³
EINECS: 252-626-0
Product Categories: Pesticide & intermediate; Agro Products; Agro-Products; Phosphorylating and Phosphitylating Agents; AR to AZPesticides; A;A-BAlphabetic; Alpha sort; Insecticides; Organophorous; Pesticides&Metabolites; Alphabetic

Uses

Azamethiphos (CAS NO.35575-96-3) is used as synergistic insecticidal and acaricidal organophosphorus compound.

Toxicity Data With Reference

1.		orl-rat LD50:1180 mg/kg		PEMNDP Pesticide Manual. 9 (1991),44.
2.		skn-rat LD50:>2150 mg/kg		PEMNDP Pesticide Manual. 9 (1991),44.

Safety Profile

Moderately toxic by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NO_x, SO_x, PO_x, and Cl⁻.
Safety Information of Azamethiphos (CAS NO.35575-96-3)
Hazard Codes: Harmful Xn
Risk Statements: 22-36-40-21
R22:Harmful if swallowed.
R36:Irritating to eyes.
R40:Limited evidence of a carcinogenic effect.
R21:Harmful in contact with skin.
Safety Statements: 26-36/37-24/25-23
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37:Wear suitable protective clothing and gloves.
S24/25:Avoid contact with skin and eyes.
S23:Do not breathe vapour.
RIDADR: UN 1593 6.1/PG 3
RTECS: TE8070000

Specification

Azamethiphos , with CAS number of 35575-96-3, can be called phosphorothioic acid, S-[(6-chloro-2-oxooxazolo[4,5-b]pyridin-3(2H)-yl)methyl] O,O-dimethyl ester ; S-[(6-Chlor-2-oxo[1,3]oxazolo[4,5-b]pyridin-3(2H)-yl)methyl]-O,O-dimethylthiophosphat ; S-[(6-Chloro-2-oxo[1,3]oxazolo[4,5-b]pyridin-3(2H)-yl)methyl] O,O-dimethyl phosphorothioate ; S-[(6-Chloro-2-oxooxazolo[4,5-b]pyridin-3(2H)-yl)methyl] O,O-Dimethyl Phosphorothioate ; Thiophosphate de S-[(6-chloro-2-oxo[1,3]oxazolo[4,5-b]pyridin-3(2H)-yl)méthyle] et de O,O-diméthyle ; S-6-Chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-ylmethyl O,O-Dimethyl Phosphorothioate . It is a white to light yellow crystal powde.