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Cas Database |
| Name |
Demeton-O |
EINECS | 206-053-8 | |
| CAS No. | 298-03-3 | Density | 1.119 | |
| PSA | 94.89000 | LogP | 3.70420 | |
| Solubility | 60mgl-1 | Melting Point |
N/A |
|
| Formula | C8H19 O3 P S2 | Boiling Point | 92-93℃ | |
| Molecular Weight | 258.343 | Flash Point | 133.6°C | |
| Transport Information | N/A | Appearance | N/A | |
| Safety | Poison by ingestion, skin contact, subcutaneous, and intraperitoneal routes. Human mutation data reported. An insecticide. When heated to decomposition it emits toxic fumes of POx and SOx. See also DEMETON-O + DEMETON-S and DEMETON-O-METHYL; DEMETON-O-METHYL SULFOXIDE; DEMETON-S; DEMETON-S-METHYL; DEMETON-S-METHYL-SULPHONE. | |||
Analytical Methods: | For occupational chemical analysis use NIOSH: Demeton, 5514. |
Risk Codes | 27/28-50 | |
| Molecular Structure |
|
Hazard Symbols |
 
|
|
| Synonyms |
Phosphorothioicacid, O,O-diethyl ester O-[2-(ethylthio)ethyl] ester (6CI); Demeton-O; Demetonthione;NSC 8928; O,O-Diethyl O-[2-(ethylthio)ethyl] phosphorothionate |
Article Data | 11 |
Demeton-O Chemical Properties
Product Name: Demeton-O (CAS NO.298-03-3)
Molecular Formula: C8H19O3PS2
Molecular Weight: 258.338421g/mol
Mol File: 298-03-3.mol
Einecs: 206-053-8
Boiling point: 297.2 °C at 760 mmHg
Storage Temperature: −20°C
Flash Point: 133.6 °C
Density: 1.144 g/cm3
Surface Tension: 41.7 dyne/cm
Enthalpy of Vaporization: 51.56 kJ/mol
Vapour Pressure: 0.00242 mmHg at 25°C
XLogP3-AA: 3
H-Bond Donor: 0
H-Bond Acceptor: 3
Structure Descriptors of Demeton-O (CAS NO.298-03-3):
IUPAC Name: diethoxy-(2-ethylsulfanylethoxy)-sulfanylidene-λ5-phosphane
Canonical SMILES: CCOP(=S)(OCC)OCCSCC
InChI: InChI=1S/C8H19O3PS2/c1-4-9-12(13,10-5-2)11-7-8-14-6-3/h4-8H2,1-3H3
InChIKey: DGLIBALSRMUQDD-UHFFFAOYSA-N
Demeton-O Toxicity Data With Reference
| 1. | mmo-esc 200 µg/plate | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB80-133226 . | ||
| 2. | mma-esc 200 µg/plate | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB80-133226 . | ||
| 3. | dnr-bcs 5 µg/disc | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB80-133226 . | ||
| 4. | mma-smc 1000 ppm | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB80-133226 . | ||
| 5. | dns-hmn:fbr 100 mg/L | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB80-133226 . | ||
| 6. | cyt-ham-ipr 2 mg/kg | ARTODN Archives of Toxicology. 58 (1985),152. | ||
| 7. | orl-rat LD50:7500 µg/kg | GUCHAZ Guide to the Chemicals Used in Crop Protection 6 (1973),161. | ||
| 8. | scu-mus LD50:15 mg/kg | AEPPAE Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 217 (1953),144. | ||
| 9. | skn-rbt LDLo:100& |
Demeton-O Safety Profile
Poison by ingestion, skin contact, subcutaneous, and intraperitoneal routes. Human mutation data reported. An insecticide. When heated to decomposition it emits toxic fumes of POx and SOx. See also DEMETON-O + DEMETON-S and DEMETON-O-METHYL; DEMETON-O-METHYL SULFOXIDE; DEMETON-S; DEMETON-S-METHYL; DEMETON-S-METHYL-SULPHONE.
Analytical Methods:
For occupational chemical analysis use NIOSH: Demeton, 5514.
Safety Information of Demeton-O (CAS NO.298-03-3):
Hazard Codes: T+
,N
Risk Statements: 27/28-50
27: Very Toxic in contact with skin
28: Very Toxic if swallowed
50: Very Toxic to aquatic organisms
Safety Statements: 28-36/37-45-61
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
36: Wear suitable protective clothing
37: Wear suitable gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
61: Avoid release to the environment. Refer to special instructions safety data sheet
Demeton-O Analytical Methods
For occupational chemical analysis use NIOSH: Demeton, 5514.
Demeton-O Specification
Demeton-O ,its CAS NO. is 298-03-3,the synonyms is Demetonthione ; Di-septon ; Diaethylthiophosphorsaeureester des aethylthioglykol ; Diethyl 2-(ethylthio)ethyl phosphorothionate ; EINECS 206-053-8 ; Ethanol, 2-(ethylthio)-, O-ester with O,O-diethyl phosphorothioate ; NSC 8928 ; O,O-Diethyl O-(2-(ethylthio)ethyl) phosphorothionate ; Thiolmecaptophos ; Phosphorothioic acid, O,O-diethyl O-(2-(ethylthio)ethyl) ester ; Phosphorothioic acid, O,O-diethyl ester O-(2-(ethylthio)ethyl) ester .
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