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| CAS No.: | 89123-58-0 |
|---|---|
| Name: | 5-Bromo-pyrazine-2,3-diamine |
| Article Data: | 8 |
| Molecular Structure: | |
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|
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| Formula: | C4H5BrN4 |
| Molecular Weight: | 189.014 |
| Synonyms: | Pyrazine,2,3-diamino-5-bromo- (7CI);2,3-Diamino-5-bromopyrazine;5-Bromo-2,3-pyrazinediamine; |
| Density: | 1.956g/cm3 |
| Melting Point: | 212-216 °C (dec.) |
| Boiling Point: | 357.1 °C at 760 mmHg |
| Flash Point: | 169.8 °C |
| Hazard Symbols: | Xn |
| Risk Codes: | R22; R36/37/38; R43 |
| Safety: | S26; SS36/37 |
| PSA: | 77.82000 |
| LogP: | 1.56590 |
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Chemistry
Molecular Structure of 5-Bromo-pyrazine-2,3-diamine (CAS NO.89123-58-0):
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Empirical Formula: C4H5BrN4
Molecular Weight: 189.0133
CAS Registry Number: 89123-58-0
ACD/LogP: 2.77
H bond acceptors: 4
H bond donors: 4
Freely Rotating Bonds: 0
Polar Surface Area: 32.26 Å2
Index of Refraction: 1.73
Surface Tension: 90.1 dyne/cm
Density: 1.956 g/cm3
Flash Point: 169.8 °C
Enthalpy of Vaporization: 60.25 kJ/mol
Boiling Point: 357.1 °C at 760 mmHg
Vapour Pressure: 2.78E-05 mmHg at 25°C
Melting point: 212-216 °C (dec.)
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 22-36/37/38-43
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
R43:May cause sensitization by skin contact.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37:Wear suitable protective clothing and gloves.
Specification
5-Bromo-pyrazine-2,3-diamine , its cas register number is 89123-58-0. It also can be called 2,3-pyrazinediamine, 5-bromo- ; 5-Brom-2,3-pyrazindiamin ; 5-Bromo-2,3-pyrazinediamine and so on.