4,4-Bis(diethylamino)benzophenone
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4,4-Bis(diethylamino)benzophenone
structure -
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CAS No:
90-93-7
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Formula:
C21H28N2O
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Chemical Name:
4,4-Bis(diethylamino)benzophenone
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Synonyms:
Methanone,bis[4-(diethylamino)phenyl]-;Benzophenone,4,4′-bis(diethylamino)-;Bis[4-(diethylamino)phenyl]methanone;4,4′-Bis(diethylamino)benzophenone;Michler's ethyl ketone;p,p′-Tetraethyldiaminobenzophenone;4,4′-(Tetraethyldiamino)benzophenone;p,p′-Bis(diethylamino)benzophenone;4,4′-Bis(N,N-diethylamino)benzophenone;N,N,N′,N′-Tetraethyl-4,4′-diaminobenzophenone;EAB;EAB (benzophenone);4,4′-Diethylaminobenzophenone;Ethyl Michler ketone;EABF;NSC 36365;4,4′-Bis(diethylamino)diphenyl ketone;EAB-SS;4,4′-Bis(diethylamine)benzophenone;Narucure CS;4′,4-Bis(diethylamino)benzophenone;Doublecure EMK;4,4-Bis(diethylamino)benzophenone;JRCure EMK;Kayacure EAB;SB-PI 701;Photoinitiator EAB;Chemark DEABP;Omnirad EMK;Photoinitiator EMK
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CAS No:
4,4-Bis(diethylamino)benzophenone Basic Attributes
324.46
324.46
2148611
202-025-4
70660|36365
DTXSID7059014
2922399090
Characteristics
23.6
5.3
Yellow to yellow-green Crystalline Granules
1.0±0.1 g/cm3
158 °C
475.7ºC at 760 mmHg
151 °C
1.581
H2O: insoluble
Store below +30°C.
LD50 orally in Rabbit: 5000 mg/kg
Safety Information
III
9
UN 3077 9/PG 3
2
36/37/38-50/53
26-60-61-36-24/25
OS9545500
Xi,N
Irritant
P261-P273-P305 + P351 + P338
H315-H319-H335-H400
|Warning|H315 (51.15%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 147 companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4,4-Bis(diethylamino)benzophenone Use and Manufacturing
4, 4'-bis(dialkylamino)diphenylmethane (30 g), cobalt complex (3) (0.9 g), tetrachlorophenylhydrazine (0.9 g), Trioctylmethylammonium chloride (1g) and chlorobenzene (100ml) were added to a 250ml four-neck bottle.Add 30percent hydrogen peroxide (13.2g) dropwise, add at room temperature, control the temperature 20~25 °C, drop, The spot plate is monitored until there is no remaining reaction material.After the end of the reaction, the temperature was lowered, and the temperature was lowered to 5 ° C, and 30 ml of a 20percent sodium hydrogen sulfite solution was added to wash, and the mixture was allowed to stand for liquid separation.The organic phase is distilled off under reduced pressure.The crude tetraethylmethanolone was obtained in an amount of 29 g.The crude product was recrystallized from 29 g of n-heptane.Obtained a pale yellow tetraethylmethanol ketone solid (25.3 g), The content is 99.1percent.
Used as dye intermediate; UV curable coatings and inks
Photosensitive chemicals
Paints and coatings
25,000 - 100,000 lb
Paint and coating manufacturing|Methanone, bis[4-(diethylamino)phenyl]-: ACTIVE
Computed Properties
Molecular Weight:324.5
XLogP3:5.3
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:8
Exact Mass:324.220163521
Monoisotopic Mass:324.220163521
Topological Polar Surface Area:23.6
Heavy Atom Count:24
Complexity:326
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4,4-Bis(diethylamino)benzophenone
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