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| CAS No.: | 31218-83-4 |
|---|---|
| Name: | PROPETAMPHOS |
| Molecular Structure: | |
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|
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| Formula: | C10H20 N O4 P S |
| Molecular Weight: | 281.313 |
| Synonyms: | 2-Butenoicacid, 3-[[(ethylamino)methoxyphosphinothioyl]oxy]-, 1-methylethyl ester, (E)-;Crotonic acid, 3-hydroxy-, isopropyl ester, O-ester with O-methylethylphosphoramidothioate, (E)- (8CI); Blotic; Deadmag; E-Propetamphos;Ectomort Centenary; Ectomort Jetting Fluid; Ectomort Jetting Fluid and SheepDip; Magget; Mules-n-Mark II; Propetamphos; SAN 322; SAN 322I; Safrotin MC;Safrotin S 200; VEL 4283; Young's Summer Dip |
| Density: | 1.15g/cm3 |
| Melting Point: | <25℃ |
| Boiling Point: | 87-89oC at 0.005 mm Hg |
| Flash Point: | 148°C |
| Solubility: | 110 mg l-1(24°C) |
| Hazard Symbols: |
 
|
| Risk Codes: | 25-50/53 |
| Safety: | Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of POx, SOx, and NOx. |
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Chemistry
Molecular Formula: C10H20NO4PS
Molar mass: 281.31 g/mol
EINECS: 250-517-2
Density: 1.15 g/cm3
Flash Point: 148 °C
Storage temp: Approx 4°C
Index of Refraction: 1.494
Water solubility: Soluble
Appearance: Yellow oily liquid
Boiling Point: 321.1 °C at 760 mmHg
Vapour Pressure: 0.000304 mmHg at 25°C
Product categories of (E)-1-Methylethyl 3-(((ethylamino)methoxyphosphinothioyl)oxy)-2-butenoate (CAS NO.31218-83-4): Acaricides Pesticides & Metabolites;Alpha sort;Insecticides;OrganophorousMethod Specific;N-PPesticides
Structure of (E)-1-Methylethyl 3-(((ethylamino)methoxyphosphinothioyl)oxy)-2-butenoate (CAS NO.31218-83-4):
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XLogP3-AA: 2.8
H-Bond Donor: 1
H-Bond Acceptor: 5
IUPAC Name: Propan-2-yl (Z)-3-[ethylamino(methoxy)phosphinothioyl]oxybut-2-enoate
Canonical SMILES: CCNP(=S)(OC)OC(=CC(=O)OC(C)C)C
Isomeric SMILES: CCNP(=S)(OC)O/C(=C\C(=O)OC(C)C)/C
InChI: InChI=1S/C10H20NO4PS/c1-6-11-16(17,13-5)15-9(4)7-10(12)14-8(2)3/h7-8H,6H2,1-5H3,(H,11,17)/b9-7-
InChIKey: BZNDWPRGXNILMS-CLFYSBASSA-N
Uses
(E)-1-Methylethyl 3-(((ethylamino)methoxyphosphinothioyl)oxy)-2-butenoate (CAS NO.31218-83-4) can be used as an insecticide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mammal (species unspecified) | LD50 | oral | 130mg/kg (130mg/kg) | Pesticides. Vol. 15(10), Pg. 37, 1981. | |
| mammal (species unspecified) | LD50 | skin | 4gm/kg (4000mg/kg) | Pesticides. Vol. 15(10), Pg. 37, 1981. | |
| mouse | LD50 | oral | 49mg/kg (49mg/kg) | Journal of Agricultural and Food Chemistry. Vol. 34, Pg. 79, 1986. | |
| rat | LD50 | oral | 62400ug/kg (62.4mg/kg) | Yakkyoku. Pharmacy. Vol. 37, Pg. 1621, 1986. | |
| rat | LD50 | skin | 564mg/kg (564mg/kg) | Yakkyoku. Pharmacy. Vol. 35, Pg. 1315, 1984. |
Safety Profile
Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of POx, SOx, and NOx.
Hazard Codes: 
T,
N
Risk Statements:
R25 :Toxic if swallowed.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements:
S37:Wear suitable gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
Specification
(E)-1-Methylethyl 3-(((ethylamino)methoxyphosphinothioyl)oxy)-2-butenoate ,its cas register number is 31218-83-4. It also can be called Propetamphos ; 3-[[(Ethylamino)methoxyphosphinothioyl]oxy]-2-butenoic Acid 1-Methylethyl Ester ; 2-Butenoic acid, 3-(((ethylamino)methoxyphosphinothioyl)oxy)-, 1-methylethyl ester, (Z)- ; Crotonic acid, 3-(((ethylamino)methoxyphosphinothioyl)oxy)-, isopropyl ester and (Z)-3-(((Ethylamino)methoxyphosphinothioyl)oxy)-2-butenoic acid 1-methylethyl ester .It is an organophosphate derivative. Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides.