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trans-1,2-Cyclohexanedicarboxylic acid

trans-1,2-Cyclohexanedicarboxylic acid ??? ???
?? ??:
2305-32-0
???:
trans-1,2-Cyclohexanedicarboxylic acid
???(??):
TRANS-HEXAHYDRO-PHTHALIC ACID;TRANS-CYCLOHEXANE-1,2-DICARBOXYLIC ACID;trans-Cyclohexane-1,2-dicarboxylic acid, trans-Hexahydrophthalic acid;Lura;trans-CycL;REMAINDER CIS;RSYY(Avanafil)-15;ohexane-1,2-dicarboxyL;Lurasidone InterMediate(1);1,2-cyclohexanedicarboxylic
CBNumber:
CB0376262
???:
C8H12O4
??? ??:
172.18
MOL ??:
2305-32-0.mol

trans-1,2-Cyclohexanedicarboxylic acid ??

???
228-230 °C (lit.)
?? ?
262.49°C (rough estimate)
??
1.2104 (rough estimate)
???
1.4450 (estimate)
?? ??
Store below +30°C.
???
???(?? ???), DMSO(?? ???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
pK1:4.18;pK2: 5.93 (20°C)
??
???
???
2g/L(20℃)
BRN
3200609
InChI
1S/C8H12O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h5-6H,1-4H2,(H,9,10)(H,11,12)/t5-,6-/m0/s1
InChIKey
QSAWQNUELGIYBC-WDSKDSINSA-N
SMILES
OC(=O)[C@@H]1CCCC[C@H]1C(O)=O
CAS ??????
2305-32-0(CAS DataBase Reference)
NIST
1,2-Cyclohexanedicarboxylic acid, trans-(2305-32-0)
EPA
1,2-Cyclohexanedicarboxylic acid, (1R,2R)-rel- (2305-32-0)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
WGK ?? 3
RTECS ?? GU9065000
TSCA TSCA listed
HS ?? 29172000
???? ??? 13 - Non Combustible Solids
????(GHS): Exclamation Mark (GHS07)
?? ?: 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
0 0

trans-1,2-Cyclohexanedicarboxylic acid MSDS


trans-Hexahydrophthalic acid

trans-1,2-Cyclohexanedicarboxylic acid C??? ??, ??, ??

??? ??

white crystalline powder

??

trans-1,2-cyclohexanedicarboxylic acid be used as organic intermediates.

Purification Methods

It is purified by recrystallisation from EtOH or H2O. It is formed by hydrolyzing the anhydride with water. The dimethyl ester has m 95-96o (from *C6H6/pet ether). [Abell J Org Chem 22 769 1957, Smith & Byrne J Am Chem Soc 72 4406 1950, Linstead et al. J Am Chem Soc 64 2093 1942, Beilstein 9 III 3812, 9 IV 2801.] The 1R,2R-(-)-trans-cyclohexane-1,2-acid [46022-05-3] has m 171-182o and [ ] D -20o (c 1, Me2CO). cis-Cyclohexane-1,2-dicarboxylic anhydride (cis-hexahydrophthalic anhydride) [85-42-7, 13149-00-3] M 154.2, m 32-34o, b 158o/17mm. It has been obtained by heating the trans-acid or anhydride at 200o. Crystallise it from *C6H6/Et2O or distil it. [Kohler & Jansen J Am Chem Soc 60 2145 1938, Abell J Org Chem 22 769 1957, Beilstein 17 II 452, 17 III/IV 5931.]

trans-1,2-Cyclohexanedicarboxylic acid ?? ?? ? ???

???

?? ??


trans-1,2-Cyclohexanedicarboxylic acid ?? ??

???( 308)?? ??
??? ?? ??? ?? ?? ? ??
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trans-1,2-Cyclohexanedicarboxylic acid ?? ??:

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