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CAS No.: | 38875-53-5 |
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Name: | 2,3-Diamino-5-bromopyridine |
Article Data: | 24 |
Molecular Structure: | |
Formula: | C5H6BrN3 |
Molecular Weight: | 188.027 |
Synonyms: | Pyridine,2,3-diamino-5-bromo- (6CI,7CI);5-Bromo-2,3-diaminopyridine;5-Bromo-2,3-pyridinediamine; |
EINECS: | 254-172-9 |
Density: | 1.818 g/cm3 |
Melting Point: | 155 °C (dec.)(lit.) |
Boiling Point: | 320.9 °C at 760 mmHg |
Flash Point: | 147.9 °C |
Solubility: | soluble in hot water |
Appearance: | light yellow to purple or light brown powder |
Hazard Symbols: | Xi; C |
Risk Codes: | 36/37/38-34 |
Safety: | 26-36-37/39-45-36/37/39 |
PSA: | 64.93000 |
LogP: | 2.17090 |
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The 2,3-Diamino-5-bromopyridine, with the CAS registry number 38875-53-5 and EINECS registry number 254-172-9, has the systematic name of 5-bromopyridine-2,3-diamine. It is a kind of light yellow to purple or light brown powder, and belongs to the following product categories: Halides; Pyridines; Pyridine; Bromopyridines; Halopyridines; Chiral chemicals; Heterocyclic Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks. And the molecular formula of this chemical is C5H6BrN3.
The physical properties of 2,3-Diamino-5-bromopyridine are as followings: (1)ACD/LogP: 2.03; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2.03; (5)ACD/BCF (pH 5.5): 19.4; (6)ACD/BCF (pH 7.4): 20.51; (7)ACD/KOC (pH 5.5): 286; (8)ACD/KOC (pH 7.4): 302.46; (9)#H bond acceptors: 3; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 19.37 Å2; (13)Index of Refraction: 1.712; (14)Molar Refractivity: 40.5 cm3; (15)Molar Volume: 103.4 cm3; (16)Polarizability: 16.05×10-24cm3; (17)Surface Tension: 74.3 dyne/cm; (18)Density: 1.818 g/cm3; (19)Flash Point: 147.9 °C; (20)Enthalpy of Vaporization: 56.26 kJ/mol; (21)Boiling Point: 320.9 °C at 760 mmHg; (22)Vapour Pressure: 0.000308 mmHg at 25°C.
Uses of 2,3-Diamino-5-bromopyridine: It can react with acetic acid anhydride to produce 2,3-bis-acetylamino-5-bromo-pyridine. This reaction will need solvent acetic acid and heating. And the yield is about 88%.
You should be cautious while dealing with this chemical. It irritates eyes, respiratory system and skin, and may cause burns as well. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: Brc1cnc(N)c(N)c1
(2)InChI: InChI=1/C5H6BrN3/c6-3-1-4(7)5(8)9-2-3/h1-2H,7H2,(H2,8,9)
(3)InChIKey: YRGMYJUKFJPNPD-UHFFFAOYAR