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| CAS No.: | 1467-79-4 |
|---|---|
| Name: | DIMETHYLCYANAMIDE |
| Article Data: | 64 |
| Molecular Structure: | |
|
|
|
| Formula: | C3H6 N2 |
| Molecular Weight: | 70.094 |
| Synonyms: | Cyanamide,dimethyl- (6CI,7CI,8CI,9CI); Cyanodimethylamine; Dimethylaminocarbonitrile;Dimethylcyanamide; N,N-Dimethylcyanamide; N-Cyano-N-methylmethanamine;N-Cyanodimethylamine; NSC 7765 |
| Density: | 0.89g/cm3 |
| Melting Point: | -41oC |
| Boiling Point: | 163.5°Cat760mmHg |
| Flash Point: | 58.3°C |
| Appearance: | CLEAR COLORLESS TO YELLOWISH LIQUID |
| Hazard Symbols: |
 T
|
| Risk Codes: | R23/24/25;R36/37/38; |
| Safety: | Poison by ingestion, skin contact, and intraperitoneal routes. Moderately toxic by inhalation. Flammable when exposed to heat, flame, or oxidizers. Can react with oxidizing materials. To fight fire, use foam, CO2, or dry chemical. When heated to decomposition or in reaction with water or steam it produces toxic fumes of NOx and CN− and flammable vapors. See also CYANIDE. |
| PSA: | 27.03000 |
| LogP: | 0.02908 |
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Chemistry
Product Name: Dimethylcyanamide (CAS NO.1467-79-4)
Molecular Formula: C3H6N2
Molecular Weight: 70.09g/mol
Mol File: 1467-79-4.mol
Einecs: 215-991-7
Appearance: Clear colorless to yellowish liquid
Melting Point: -41 °C
Boiling point: 163.5 °C at 760 mmHg
Flash Point: 58.3 °C
Density: 0.867 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.41(lit.)
Surface Tension: 30.8 dyne/cm
Enthalpy of Vaporization: 40 kJ/mol
Vapour Pressure: 2.06 mmHg at 25°C
Toxicity Data With Reference
Acute/chronic hazards: Dimethylcyanamide (CAS NO.1467-79-4) is an irritant. it reacts with water to produce toxic and flammable vapors.
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 146mg/kg (146mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. |
| guinea pig | LDLo | skin | 5gm/kg (5000mg/kg) | "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4863, 1982. | |
| mouse | LC50 | inhalation | 2800mg/m3 (2800mg/m3) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. |
| mouse | LD50 | intraperitoneal | 40mg/kg (40mg/kg) | National Technical Information Service. Vol. AD691-490, | |
| mouse | LD50 | oral | 73mg/kg (73mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. |
| mouse | LD50 | skin | 125mg/kg (125mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. | |
| rat | LC50 | inhalation | 2500mg/m3 (2500mg/m3) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. |
| rat | LD50 | oral | 146mg/kg (146mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 19(11), Pg. 23, 1975. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Dimethylcyanamide (CAS NO.1467-79-4) is combustible.
Safety Information of Dimethylcyanamide (CAS NO.1467-79-4):
Hazard Codes: T.gif){kind=small}
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Risk Statements: 23/25
23: Toxic by inhalation
25: Toxic if swallowed
Safety Statements: 36/37/39-45
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
Specification
Dimethylcyanamide ,its CAS NO. is 1467-79-4,the synonyms is n-Cyanodimethylamide ; (Ch3)2ncequivn ; Dimethyl-carbamonitrile ; Dimethyl-cyanamid ; Dimethylkyanamid ; n-Cyanodimethylamine ; n-Cyano-n-methylmethanamine .