1,2,4,5-Tetraaminobenzene tetrahydrochloride
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1,2,4,5-Tetraaminobenzene tetrahydrochloride
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CAS No:
4506-66-5
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Formula:
C6H10N4.4ClH
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Chemical Name:
1,2,4,5-Tetraaminobenzene tetrahydrochloride
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Synonyms:
1,2,4,5-Benzenetetramine,hydrochloride (1:4);1,2,4,5-Benzenetetramine,tetrahydrochloride;1,2,4,5-Tetraaminobenzene tetrahydrochloride;FAK Inhibitor 14;NSC 667249;Y 15;NSC 677249
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CAS No:
1,2,4,5-Tetraaminobenzene tetrahydrochloride Basic Attributes
284.01
281.997253
224-822-6
DTXSID00196371
2921590090
Characteristics
104
5.54820
faint purple to dark brown
≥300 °C(lit.)
400.9ºC at 760mmHg
233.6ºC
1.827
H2O: soluble20mg/mL, clear
Desiccate at RT
Safety Information
NONH for all modes of transport
3
36/37/38
26-36
Xi
P261-P305 + P351 + P338
H315-H319-H335
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 38 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1,2,4,5-Tetraaminobenzene tetrahydrochloride Use and Manufacturing
1, 2, 4, 5-tetraminobenzene and its mineral and organic acid salts are susceptible to oxidation and should be handled in an inert atmosphere. To a 2 gallon autoclave was added 480 g of 1, 5-diamino-2, 4-dinitrobenzene, 5.5 g of T in powder, and 9.6 g of Degussa F101 Pt/C catalyst. The clave was then sealed, purged with nitrogen, and had added to it 2000 mL of nitrogen sparged ethanol. The clave was heated to 70° C. and pressurized to 300 psi with hydrogen and then kept at 80.5° C. and 300 psi for 2 h. After 2 h, the claves contents were pushed through a solids filter and into a precipitation vessel where they were cooled to 15° C. and the product precipitated with the addition 1400 mL of 12.1M HCl. The precipitated solids were collected, washed with 12.1 M HCl and ethanol, and partially dried on the filter at 40° C. with nitrogen and vacuum. This afforded 557.3 g (81percent yield) of 1, 2, 4, 5-tetraminobenzene tetrahydrochloride.; The 1, 2, 4, 5-tetraminobenzene tetrahydrochloride can be further purified by crystallization from aqueous with concentrated hydrochloric acid.
Computed Properties
Molecular Weight:284.0
Hydrogen Bond Donor Count:8
Hydrogen Bond Acceptor Count:4
Exact Mass:283.994307
Monoisotopic Mass:281.997257
Topological Polar Surface Area:104
Heavy Atom Count:14
Complexity:90.3
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
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1,2,4,5-Tetraaminobenzene tetrahydrochloride
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