CAS No.152-20-5,O,O,S-trimethyl phosphorothioate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	152-20-5
Name:	O,O,S-trimethyl phosphorothioate
Article Data:	36

Formula:	C3H9 O3 P S
Molecular Weight:	156.142
Synonyms:	HC 7901;Methyl phosphorothioate ((MeO)2(MeS)PO); O,O,S-Trimethyl phosphorothioate;O,O,S-Trimethyl phosphorothiolate; O,O,S-Trimethyl thiophosphate; O,O-DimethylS-methyl phosphorothioate; O,O-Dimethyl S-methyl thiophosphate
Density:	1.211g/cm³
Boiling Point:	169°Cat760mmHg
Flash Point:	56°C
Safety:	Poison by ingestion, intravenous, and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of PO_x and SO_x.
PSA:	70.64000
LogP:	1.75030

Synthetic route

: 67-56-1
methanol

: 71216-76-7
Benzyl-thiophosphoramidic acid O,S-dimethyl ester

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight;	86%

: 67-56-1
methanol

: 65960-94-3, 87000-69-9, 25218-42-2
N,N-dimethyl O,S-dimethyl phosphoramidothioate

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight;	80%

: 67-56-1
methanol

: 10265-92-6
Mio

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight;	74%

: 96-36-6, 868-85-9
methyl phosphite

: 67-68-5
dimethyl sulfoxide

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With 1,3,5-trichloro-2,4,6-triazine In acetonitrile at 80℃; for 1h;	71%

: 133984-31-3
2,6-lutidinium O,O-dimethyl phosphorothioate

: 74-88-4
methyl iodide

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
In dichloromethane for 0.5h;	63%

: 2953-29-9
dimethyl S-methyl phosphorodithioate

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With monoperoxyphthalic acid; magnesium salt In dichloromethane for 12h; Heating;	51%

: 1112-38-5
O,O-dimethyl S-hydrogen phosphorothioate

: 538-75-0
dicyclohexyl-carbodiimide

A: 152-20-5
O,O,S-trimethyl phosphorothioate

B: 152-18-1
O,O,O-trimethylthiophosphate

C: 1212-29-9
1,3-dicyclohexylthiourea

Conditions

Conditions	Yield
In diethyl ether; Petroleum ether Mechanism; Product distribution; Ambient temperature; solvents: diethylether, accetonitrile;	A n/a B n/a C 35%

...Expand

: 186581-53-3, 908094-01-9
diazomethane

: 42576-53-4
O,S-dimethyl phosphorothiolate

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With 1,4-dioxane; diethyl ether
Methylation;

: 67-56-1
methanol

: 152-18-1
O,O,O-trimethylthiophosphate

: 152-20-5
O,O,S-trimethyl phosphorothioate

: 556-64-9
methyl thiocyanate

: 96-36-6, 868-85-9
methyl phosphite

: 152-20-5
O,O,S-trimethyl phosphorothioate

Conditions

Conditions	Yield
With sodium; benzene

Raw Materials

42576-53-4

2303-76-6

1113-02-6

298-00-0

124-41-4

556-64-9

538-75-0

96-36-6

Downstream Products

2181-42-2

115-10-6

690-49-3

677-24-7

75-75-2

813-78-5

32586-90-6

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Chemistry

Chemical Name: O,O,S-Trimethyl phosphorothioate
IUPAC NAME: [Methoxy(methylsulfanyl)phosphoryl]oxymethane
CAS No.: 152-20-5
Molecular Formula: C₃H₉O₃PS
Molecular Weight: 156.14 g/mol
Density: 1.211 g/cm³
Flash Point: 56 °C
Boiling Point: 169 °C at 760 mmHg
Following is the structure of Dimethylthiomethylphosphate (152-20-5):

The chemical synonymous of Dimethylthiomethylphosphate (152-20-5) are O,O,S-Trimethylphosphorothiolate ; Trimethylphosphorothioate ; Phosphorothioic acid, O,O,S-trimethyl ester ; HC-7901 ; Thiophosphoric acid O,O,S-trimethyl ; Thiophosphoric acid O,O,S-trimethyl ester

Toxicity Data With Reference

1.	orl-rat TDLo:40 mg/kg (female 20D post):REP	ARTODN Archives of Toxicology. 61 (1988),378.
2.	orl-rat TDLo:40 mg/kg (female 8-10D post):TER	TOLED5 Toxicology Letters. 32 (1986),185.
3.	orl-rat LD50:15 mg/kg	JAFCAU Journal of Agricultural and Food Chemistry. 27 (1979),463.
4.	ipr-rat LD50:51 mg/kg	ARTODN Archives of Toxicology. 51 (1982),221.
5.	ivn-rat LD50:45 mg/kg	DTESD7 Developments in Toxicology and Environmental Science. 8 (1980),631.
6.	orl-mus LD50:38 mg/kg	PCBPBS Pesticide Biochemistry and Physiology. 24 (1985),251.
7.	ipr-mus LD50:5 mg/kg	ACPMAP Actualites Pharmacologiques. 16 (1963),7.
8.	ivn-mus LD50:123 mg/kg	DTESD7 Developments in Toxicology and Environmental Science. 8 (1980),631.

Safety Profile

Poison by ingestion, intravenous, and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of PO_x and SO_x.