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| CAS No.: | 21124-13-0 |
|---|---|
| Name: | 1-METHYL-3-P-TOLYLTRIAZENE |
| Molecular Structure: | |
|
|
|
| Formula: | C8H11 N3 |
| Molecular Weight: | 149.195 |
| Synonyms: | Triazene,3-methyl-1-p-tolyl- (6CI,8CI); 1-Methyl-3-(4-methylphenyl)triazene;1-Methyl-3-p-tolyltriazene; 1-p-Tolyl-3-methyltriazene;3-Methyl-1-(4-methylphenyl)triazene; 3-Methyl-1-p-tolyltriazene;Methyl-p-tolyltriazene; NSC 106329; NSC 183741 |
| Density: | 1.02g/cm3 |
| Melting Point: |
75-80 °C(lit.) |
| Boiling Point: | 215.5°Cat760mmHg |
| Flash Point: | 84.1°C |
| Hazard Symbols: |
|
| Risk Codes: | 20/21/22-40 |
| Safety: | Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. |
| PSA: | 36.75000 |
| LogP: | 2.60400 |
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Chemistry
IUPAC Name: 4-methyl-N-methyldiazenylaniline
Synonyms of 3-Methyl-1-(p-tolyl)-triazene (CAS NO.21124-13-0): 1-Methyl-3-(4-methylphenyl)triazene ; 1-Methyl-3-p-tolyltriazene ; 1-Triazene, 1-methyl-3-(4-methylphenyl)- ; 3-Methyl-1-(4-methylphenyl)triazene ; 3-Methyl-1-(p-tolyl)-triazene ; EINECS 244-223-3 ; Methyl-p-tolyltriazene ; NSC 106329 ; Triazene, 3-methyl-1-(p-tolyl)-
CAS NO: 21124-13-0
Molecular Formula of 3-Methyl-1-(p-tolyl)-triazene (CAS NO.21124-13-0): C8H11N3
Molecular Weight: 149.193
Molecular Structure:
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H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 27.96 Å2
Index of Refraction: 1.541
Molar Refractivity: 45.65 cm3
Molar Volume: 145 cm3
Surface Tension: 34.9 dyne/cm
Density of 3-Methyl-1-(p-tolyl)-triazene (CAS NO.21124-13-0): 1.02 g/cm3
Flash Point: 84.1 °C
Enthalpy of Vaporization: 45.18 kJ/mol
Boiling Point: 215.5 °C at 760 mmHg
Vapour Pressure: 0.147 mmHg at 25°C
Melting point: 75-80 °C
storage temp.: Refrigerator
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 380900ug/kg (380.9mg/kg) | Neoplasma. Vol. 25, Pg. 153, 1978. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-40
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
S40: To clean the floor and all objects contaminated by this material, use .... (there follows suitable cleaning material).
Safety Statements: 26-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28: After contact with skin, wash immediately with plenty of soap-suds.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 1325
WGK Germany: 3
RTECS: XY2785500
HazardClass: 4.1
PackingGroup: III
Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.