Dimethyl phosphite
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
With oxygen; caesium carbonate In acetonitrile at 60℃; under 760.051 Torr; for 12h; | 69% |
6-chloro-3-chloromethyl-3H-oxazolo[4,5-b]pyridin-2-one
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
In methanol | 64% |
6-chloro-3-chloromethyl-3H-oxazolo[4,5-b]pyridin-2-one
Ammoniumsalz des O,O'-Dimethyl-thiophosphats
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
In methanol for 0.0833333h; Heating; |
6-chlorooxazole[4,5-b]pyridine-2(3H)-one
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: H2O 2: SOCl2 / CHCl3 3: methanol / 0.08 h / Heating View Scheme |
6-chloro-3-hydroxymethyl-3H-oxazolo[4,5-b]pyridin-2-one
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: SOCl2 / CHCl3 2: methanol / 0.08 h / Heating View Scheme |
2-amino-3-hydroxypyridine
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
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 |
2,3-dihydro[1,3]oxazolo[4,5-b]pyridin-2-one
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
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 |
sodium methylate
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
In methanol at 10 - 60℃; | 183 g |
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
In methanol pH=7.4; |
S-((6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-yl)methyl) O,O-dimethyl phosphorothioate
Conditions | Yield |
---|---|
With N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid In water pH=7.4; Solvent; |
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
Azamethiphos (CAS NO.35575-96-3) is used as synergistic insecticidal and acaricidal organophosphorus compound.
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. |
Moderately toxic by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NOx, SOx, POx, and Cl−.
Safety Information of Azamethiphos (CAS NO.35575-96-3)
Hazard Codes: 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
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.
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View