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Name	Fosthietan	EINECS	N/A
CAS No.	21548-32-3	Density	1.47g/cm³
PSA	108.30000	LogP	2.96100
Solubility	50g/L(25 oC)	Melting Point	N/A
Formula	C6H12 N O3 P S2	Boiling Point	310.7°Cat760mmHg
Molecular Weight	241.28	Flash Point	141.7°C
Transport Information	N/A	Appearance	N/A
Safety	Poison by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of NO_x, PO_x, and SO_x.	Risk Codes	27/28
Molecular Structure		Hazard Symbols
Synonyms	Imidocarbonicacid, phosphonodithio-, cyclic methylene P,P-diethyl ester (8CI); Phosphoramidicacid, 1,3-dithietan-2-ylidene-, diethyl ester (9CI); 1,3-Dithietane,phosphoramidic acid deriv.; AC 64475; CL 64475; Fosthietan; Geofos; Nematak

Fosthietan Chemical Properties

Molecular Structure of Fosthietan (CAS NO. 21548-32-3):

EINECS: 244-437-7
IUPAC Name: N-Diethoxyphosphoryl-1,3-dithietan-2-imine
Molecular Formula: C₆H₁₂NO₃PS₂
Molecular Weight: 241.268141 g/mol
XLogP3: 0.7
H-Bond Donor: 0
H-Bond Acceptor: 4
Canonical SMILES: CCOP(=O)(N=C1SCS1)OCC
InChI: InChI=1S/C6H12NO3PS2/c1-3-9-11(8,10-4-2)7-6-12-5-13-6/h3-5H2,1-2H3
InChIKey: RHJOIOVESMTJEK-UHFFFAOYSA-N
Index of Refraction: 1.607
Molar Refractivity: 56.43 cm³
Molar Volume: 163.3 cm³
Surface Tension: 58.2 dyne/cm
Density: 1.47 g/cm³
Flash Point: 141.7 °C
Enthalpy of Vaporization: 52.95 kJ/mol
Boiling Point: 310.7 °C at 760 mmHg
Vapour Pressure: 0.00108 mmHg at 25 °C
Water Solubility: 6992 mg/L at 25 °C

Fosthietan Toxicity Data With Reference

1.	orl-rat LD50:4700 µg/kg	FMCHA2 Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1983,C167.
2.	orl-mus LD50:18 mg/kg	MEIEDD Merck Index. 10 (1983),607.
3.	skn-rbt LD50:27,400 µg/kg	FMCHA2 Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1983,C167.

Fosthietan Consensus Reports

Reported in EPA TSCA Inventory. EPA Extremely Hazardous Substances List.

Fosthietan Safety Profile

Safety Information of Fosthietan (CAS NO. 21548-32-3):
Hazard Codes: T+ Very
Risk Statements: 27/28
R27:Very toxic in contact with skin
R28:Very toxic if swallowed
Safety Statements: 36/37-45
S36/37:Wear suitable protective clothing and gloves
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 3018
HazardClass: 6.1(a)
PackingGroup: I
Poison by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of NO_x, PO_x, and SO_x.

Fosthietan Specification

Fosthietan with cas registry number of 21548-32-3 is also called for (Diethoxyphosphinylimino)-1,3-diethietane ; (Diethoxyphosphinylimino)-1,3-dithietane ; 1,3-Dithietan-2-ylidenephosphoramidic acid diethyl ester ; 2-(Diethoxyphosphinylimino)-1,3-dithietane ; AC 64475 ; AI3-27873 ; Acconem ; CL 64475 ; Caswell No. 268BB ; Cyclic methylene (diethoxyphosphinyl)dithio-imidocarbonate ; Cyclic methylene diethoxyphosphinodithioimidocarbonate ; Cyclic methylene(diethoxyphosphinyl)dithioiminocarbonate ; Diethoxyphosphinylimido-1,3-dithiethane ; Diethoxyphosphinylimino-2 dithietanne-1,3 ; Diethoxyphosphinylimino-2 dithietanne-1,3 [French] ; Diethyl 1,3-dithietan-2-ylidenephosphoramidate ; Diethyl 1,3-dithiethane-2-ylidene-phosphoramidate ; Diethyl (1,3-dithietan-2-ylidene)phosphoramidate ; ENT 27,873 ; EPA Pesticide Chemical Code 113301 ; Fosthietan [ANSI] ; Geofos ; HSDB 6449 ; Imidocarbonic acid, phosphonodithio-, cyclic methylene P,P-diethyl ester (8CI) ; Imidocarbonic acid, phosphonodithio-, cyclic methylene P,P-diethyl ester ; Nem-A-Tak ; Phosphonodithioimidocarbonic acid cyclic methylene P,P-diethyl ester ; Phosphoramidic acid, 1,3-dithietan-2-ylidene-, diethyl ester ; Phosphoramidic acid, N-1,3-dithietan-2-ylidene-, diethyl ester . It is pale yellow liquid with a mercaptan-like odor, soluble in alcohol , chloroform , methanol , toluene . It is used as a nematocide and insecticide. Not registered as a pesticide in the U.S.