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Amiprophos-methyl

Amiprophos-methyl structure

CAS No:
36001-88-4
Formula:
C11H17N2O4PS
Chemical Name:
Amiprophos-methyl
Synonyms:
Phosphoramidothioic acid,N-(1-methylethyl)-,O-methyl O-(4-methyl-2-nitrophenyl) ester;Phosphoramidothioic acid,(1-methylethyl)-,O-methyl O-(4-methyl-2-nitrophenyl) ester;O-Methyl O-4-methyl-2-nitrophenyl N-isopropylphosphoramidothioate;O-(2-Nitro-4-methylphenyl) O-methyl N-isopropylphosphoramidothioate;BAY-NTN 6867;Tokunol M;NTN 80;NTN 6867;Amiprophos-methyl;BAY-NTN 80;Amiprofos-methyl;NSC 313446;55840-20-5
Categories:
Analytical Chemistry > Standard

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Amiprophos-methyl Basic Attributes

Molecular Weight：

304.3

Exact Mass：

304.30

EC Number：

252-829-4

NSC Number：

313446

DSSTox ID：

DTXSID4041600

HScode：

2929909011

Characteristics

PSA：

108

XLogP3：

4.71560

Density：

1.275g/cm3

Melting Point：

~65 °C

Boiling Point：

389.9ºC at 760mmHg

Flash Point：

189.6ºC

Refractive Index：

1.553

Storage Conditions：

2-8°C

Toxicity：

Oral-rat LD50: 309 mg/kg; Oral-Mouse LD50: 540 mg/kg

Flammability characteristics：

Flammable; high temperature produces toxic nitrogen oxides, sulfur oxides and phosphorus oxide fumes

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

RTECS Number：

TB5100000

Marks：

Storage features：

Warehouse ventilated, low temperature and dry

Precautionary statement(s)：

P264, P270, P301+P312, P330, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P301+P312, P330, and P501|Aggregated GHS information provided by 40 companies from 1 notifications to the ECHA C&L Inventory.

Toxicity

Toxicity class：

highly

Drug Information

MeSH Entry Terms：

amiprophos methyl

Amiprophos-methyl Use and Manufacturing

Methods of Manufacturing

Prepare 25.5 g of o-nitro-p-cresol and 27.5 g of O-methyl thiophosphoryl dichloride to completely dissolve, add 30 mL of acetone, and dropwise add 7.2 g of sodium hydroxide to a 25% lye at 20-30°C. After the addition, continue to stir for 1h. The reaction liquid changed from orange to orange, 120mL of benzene was added dropwise, 28.3mL of isopropylamine was added dropwise, after dripping, continue to stir for 1h, separate the organic layer, wash with water to neutrality, evaporate the solvent to obtain a light yellow product 38.0g, yield 70%, mp63～64℃.

Uses

Organophosphorus herbicide. It can control a variety of annual weeds in paddy fields and drylands, such as barnyard grass, amaranth, quinoa, cricket grass, maimailiang, cattle felt, ragloss, arthropod, etc. It is suitable for rice, tomato, lettuce, cabbage, peanut, Sugarcane, onion, carrot, cucumber and other crops. The amount of application is 1.25～5.0kg/hm2.

Computed Properties

Molecular Weight:304.30
XLogP3:3.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:5
Exact Mass:304.06466520
Monoisotopic Mass:304.06466520
Topological Polar Surface Area:108
Heavy Atom Count:19
Complexity:361
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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AMIPROFOS METHYL

CAS No.: 36001-88-4

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