CAS No.2511-10-6,O,S-DIETHYL METHYLPHOSPHONOTHIOATE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	2511-10-6
Name:	O,S-DIETHYL METHYLPHOSPHONOTHIOATE

Formula:	C5H13 O2 P S
Molecular Weight:	168.197
Synonyms:	Phosphonothioicacid, methyl-, O,S-diethyl ester (6CI,7CI,8CI,9CI);Ethoxy(ethylthio)(methyl)phosphine oxide; LG 61; O,S-Diethylmethylphosphonothioate; O,S-Diethyl methylthiophosphonate; O-Ethyl S-ethylmethylphosphonothioate
Density:	1.081g/cm³
Melting Point:	-8.2°C
Boiling Point:	208°Cat760mmHg
Flash Point:	79.6°C
Solubility:	Immiscible with water.
Safety:	Poison by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of PO_x and SO_x.
PSA:	61.41000
LogP:	2.59890

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Chemistry

Empirical Formula: C₅H₁₃O₂PS
Molecular Weight: 168.1943 g/mol
Index of Refraction: 1.45
Density: 1.081 g/cm³
Flash Point: 79.6 °C
Enthalpy of Vaporization: 42.62 kJ/mol
Boiling Point: 208 °C at 760 mmHg
Vapour Pressure: 0.315 mmHg at 25 °C
Structure of O,S-Diethyl methylthiophosphonate (CAS NO.2511-10-6):

IUPAC Name: 1-[Ethylsulfanyl(methyl)phosphoryl]oxyethan
Canonical SMILES: CCOP(=O)(C)SCC
InChI: InChI=1S/C5H13O2PS/c1-4-7-8(3,6)9-5-2/h4-5H2,1-3H3
InChIKey: AIMOGGQLCCAPQJ-UHFFFAOYSA-N
Product Categories of O,S-Diethyl methylthiophosphonate (CAS NO.2511-10-6): Inhibitors;Phosphorylating and Phosphitylating Agents;Intermediates & Fine Chemicals;Pharmaceuticals

Uses

O,S-Diethyl methylthiophosphonate (CAS NO.2511-10-6) has been used as an inhibitor of cholinesterase.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LD50	intravenous	5620ug/kg (5.62mg/kg)		Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
mouse	LD50	intravenous	1mg/kg (1mg/kg)		Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rabbit	LD50	intravenous	2480ug/kg (2.48mg/kg)		Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rabbit	LD50	skin	> 24mg/kg (24mg/kg)		Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rat	LD50	oral	6mg/kg (6mg/kg)	BEHAVIORAL: TETANY LUNGS, THORAX, OR RESPIRATION: DYSPNEA KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED	Journal of Agricultural and Food Chemistry. Vol. 32, Pg. 774, 1984.

Safety Profile

Poison by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of PO_x and SO_x.

Specification

O,S-Diethyl methylthiophosphonate ,its cas register number is 2511-10-6. It also can be called Phosphonothioic acid, P-methyl-, O,S-diethyl ester ; Methylphosphonothioic acid O,S-diethyl ester ;and Diethyl methylphosphonothioate .