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3,4-??????? ?

3,4-??????? ? ??? ???

?? ??:: 619-05-6

???:: 3,4-??????? ?

???(??):: 3,4-????????;3,4-???????????;3,4-????????

???:: 3,4-Diaminobenzoic acid

???(??):: 3,4-diaminobenzoate;RARECHEM AL BO 0903;TIMTEC-BB SBB000111;3,4-Diaminobenzoesure;4-DiaMinobenzoic acid;4-Carboxyphenyldiamine;3,4-diaminebenzoic acid;3,4-DIAMINOBENZOIC ACID;Benzoicacid, 3,4-diaMino-;3,4-DIAMINOBENZOIC ACID 98%

CBNumber:: CB6422699

???:: C7H8N2O2

??? ??:: 152.15

MOL ??:: 619-05-6.mol

MSDS

?? ?? 400

3,4-??????? ? ??

???: 208-210 °C (dec.) (lit.)

?? ?: 274.61°C (rough estimate)

??: 1.2804 (rough estimate)

???: 1.5200 (estimate)

?? ??: Keep in dark place,Inert atmosphere,Room temperature

??? ??: ??

?? ?? (pKa): 5.02±0.10(Predicted)

??: ??

???: ?(20°C?? 2.2mg/ml), DMF ? ???(10mg/ml)? ?????.

BRN: 775892

LogP: 0.130

CAS ??????: 619-05-6(CAS DataBase Reference)

?? ? ?? ??
?? ? ???? ?? (GHS)

??? ??	Xi
?? ???? ??	36/37/38
?????	26-36-37/39
WGK ??	1
?? ?? ??	Irritant
HS ??	29163990

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H315	??? ??? ???	????? ?? ?????	?? 2	??	P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??	P264, P280, P305+P351+P338,P337+P313P
H335	?? ???? ??? ? ??	?? ???? ?? - 1? ??;???? ??	?? 3	??

??????:

P261	??·?·??·???·??·...·????? ??? ????.
P264	?? ??? ?? ??? ????.
P264	?? ??? ?? ??? ????.
P280	????/???/???/?????? ?????.
P304+P340	???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405	???? ?????.

NFPA 704

	0
2		0

3,4-??????? ? MSDS

3,4-Diaminobenzoic acid

3,4-??????? ? C??? ??, ??, ??

??? ??

brown powder

??

3,4-Diaminobenzoic acid undergoes cyclocondensations to form, for example, quinoxalines1 and benzimidazoles. It acts as a redox label for electrochemical detection of single base mismatches.

Purification Methods

Crystallise it from H2O or toluene. [Beilstein 15 IV 1503.]

3,4-??????? ? ?? ?? ? ???

???

4-???????

?? ??

1H-?????-5-????? ????-6-????? 2-?????????-3H-??????-5-???? ????-6-??????? 2-(2-???-??)-1H-??????-5-????? 2-(3-?????)-1H-??????-5-????? 2-(4-?????)-1H-??????-5-????? 2-Oxo-2-phenylethyl 3,4-diaminobenzoate 1,2,3,4-??????-2,3-???????-6-????? 2-??-1H-??????-6-????? Methyl 3,4-diaminobenzoate

3,4-??????? ? ?? ??

???( 400)?? ??

???	??	???	??	?? ?	??
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3,4-??????? ? ?? ??:

p-????????????? 2,4-??????? ??????? O-??????? 4-?????? 4-?????????? 3,5-???????? ????? ???? 3,5-????-4-????? 3,4-??????? ? 3-Aminobenzoic acid Dimedone CYCLOHEXYL ISOCYANIDE 4-AMINO-3,5-DINITROBENZOIC ACID 2,3-DIAMINOBENZOIC ACID 4-Acetamido-3-nitrobenzoic acid 3,4-Dinitrobenzoic acid Methyl 3,4-diaminobenzoate