??? ?????? |
1,2,4,5-Benzenetetracarboxylic acid |
????? ??????????? |
1,2,4,5-Benzenetetracarboxylic acid; Pyromellitic acid hydrate; Pyromellitic acid; benzene-1,2,4,5-tetracarboxylic acid; benzene-1,2,4,5-tetracarboxylate; 1,2,4,5-TETRACARBOXYBENZENE |
?????? ???????? |
C10H2O8 |
????? ??????? ??????? |
250.1203 |
InChI |
InChI=1/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)/p-4 |
?????????? ???????? ??????? |
89-05-4 |
???????? ????????? ??? |
201-879-5 |
???? ?????? |
|
???? ???????? |
281-284.5℃ |
???? ??????? |
585.8°C at 760 mmHg |
???? ?????? |
322.1°C |
??????? ?? ????? |
1.5 g/100 mL (20℃) |
??? ?????? |
1.45E-14mmHg at 25°C |
?????? ??? ??????? ?????? |
Xi:Irritant;
|
??? ????????? |
R36/37/38:;
|
???? ????? |
S26:;
S37/39:;
|
|