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| CAS No.: | 957-51-7 |
|---|---|
| Name: | DIPHENAMID |
| Article Data: | 32 |
| Molecular Structure: | |
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| Formula: | C16H17 N O |
| Molecular Weight: | 239.317 |
| Synonyms: | Acetamide,N,N-dimethyl-2,2-diphenyl- (8CI); Diphenamide (6CI,7CI); Dif 4; Diherbid;Dimid; Diphenamid; Diphenylacetic acid dimethylamide; Dymid; Enide; Enide 50;Enide 50W; Fenam; L 34314; Lilly 34,314; N,N-Dimethyl-2,2-diphenylacetamide;N,N-Dimethyl-a,a-diphenylacetamide;N,N-Dimethyldiphenylacetamide; Rideon; Zarur |
| EINECS: | 213-482-4 |
| Density: | 1.07 g/cm3 |
| Melting Point: | 132-136 ºC |
| Boiling Point: | 382.4 ºC |
| Flash Point: | 173.3 ºC |
| Solubility: | -2.98 in water |
| Appearance: | white or off-white powder |
| Hazard Symbols: |
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| Risk Codes: | R22;R52/53 |
| Safety: | Moderately toxic by ingestion, intraperitoneal, and subcutaneous routes. Mutation data reported. A pesticide. When heated to decomposition it emits toxic fumes of NOx. |
| PSA: | 20.31000 |
| LogP: | 2.90670 |
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Chemistry
Chemistry informtion about N,N-Dimethyl-2,2-Diphenylacetamide (CAS NO.957-51-7) is:
IUPAC Name: N,N-Dimethyl-2,2-Diphenylacetamide
Synonyms: 80w ; Acetamide, N,N-Dimethyl-2,2-Diphenyl- ; Benzeneacetamide,N,N-Dimethyl-Α-Phenyl- ; Dif 4 ; Dif4 ; Difenamid ; Difenamide ; Diherbid
MF: C16H17NO
MW: 239.31
EINECS: 213-482-4
Density: 1.07 g/cm3
Melting Point: 132-136 °C(lit.)
Flash Point: 173.3 °C
Boiling Point: 382.4 °C at 760 mmHg
Vapour Pressure: 4.75E-06 mmHg at 25°C
Enthalpy of Vaporization: 63.08 kJ/mol
Storage temp.: 0-6°C
Merck: 13,3339
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
Following is the molecular structure of N,N-Dimethyl-2,2-Diphenylacetamide (CAS NO.957-51-7) is:
Uses
N,N-Dimethyl-2,2-Diphenylacetamide (CAS NO.957-51-7) is used as an herbicide.
Production
Raw Materials are N,N-Dimethylformamide --> Thionyl Chloride --> Chloroform --> Hydrogen --> Methylamine --> Chloral --> 2-Ethoxyethanol --> Trichloroethane --> 2,2-Diphenylacetic Acid --> Diphenylacetyl Chloride
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LD50 | oral | 1gm/kg (1000mg/kg) | "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 84, 1976. | |
| mammal (species unspecified) | LD50 | unreported | 700mg/kg (700mg/kg) | "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 155, 1971. | |
| monkey | LD50 | oral | 1gm/kg (1000mg/kg) | "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 84, 1976. | |
| mouse | LD50 | intraperitoneal | 500mg/kg (500mg/kg) | Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 233, 1973. | |
| mouse | LD50 | oral | 600mg/kg (600mg/kg) | Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 431, 1966. | |
| mouse | LD50 | subcutaneous | 800mg/kg (800mg/kg) | Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 233, 1973. | |
| mouse | LD50 | unreported | 700mg/kg (700mg/kg) | Tsitologiya i Genetika. Cytology and Genetics. For English translation, see CYGEDX. Vol. 16(1), Pg. 45, 1982. | |
| rabbit | LD50 | oral | 1500mg/kg (1500mg/kg) | "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 84, 1976. | |
| rat | LD50 | oral | 685mg/kg (685mg/kg) | Journal of Drug Research. Vol. 12(1-2), Pg. 155, 1980. | |
| rat | LD50 | skin | > 6320mg/kg (6320mg/kg) | World Review of Pest Control. Vol. 9, Pg. 119, 1970. |
Safety Profile
Moderately toxic by ingestion, intraperitoneal, and subcutaneous routes. Mutation data reported. A pesticide. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes:
Xn
Risk Statements:
R22:Harmful if swallowed.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements:
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RTECS: AB8050000
Specification
N,N-Dimethyl-2,2-Diphenylacetamide (CAS NO.957-51-7) is a colorless to off-white crystals. It is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx). Also it is decomposed by strong base or acid.