3,5-PYRAZOLEDICARBOXYLIC ACID CAS NO.3112-31-0

Product Name:    3,5-PYRAZOLEDICARBOXYLIC ACID
Synonyms:    3,6-PYRAZOLEDICARBOXYLIC ACID;1H-Pyrazol-3,5-dicarboxylic acid;3,5-Pyrazoledicarboxylic acid Monohydrate, 97% 5GR;,5-Pyrazoledicarboxylic acid;3,5-Dicarboxy-1H-pyrazole;3,5-pyrazoledicarboxylic aci;3,5-Pyrazoledicarboxylic Acid ;3,5-PYRAZOLEDICARBOXYLIC ACID
CAS:    3112-31-0
MF:    C5H4N2O4
MW:    156.1
EINECS:    221-474-7              
Mol File:    3112-31-0.mol

Melting point     292-295 °C (dec.)(lit.)
Boiling point     614.4±40.0 °C(Predicted)
density     1.814±0.06 g/cm3(Predicted)
storage temp.     Keep in dark place,Sealed in dry,Room Temperature
pka    3.24±0.10(Predicted)
form     Crystalline Powder
color     White
CAS DataBase Reference    3112-31-0(CAS DataBase Reference)
Safety Information
Risk Statements     36/37/38
Safety Statements     22-24/25
WGK Germany     3
HS Code     29331990
MSDS Information
3,5-PYRAZOLEDICARBOXYLIC ACID Usage And Synthesis
Chemical Properties    white crystalline powder
Purification Methods    It crystallises from water as a monohydrate, or EtOH. Dry it in a vacuum at 100o. The dimethyl ester crystallises from *C6H6 with m 155o. [Beilstein 25 III/IV 1047.]
3,5-PYRAZOLEDICARBOXYLIC ACID Preparation Products And Raw materials
Raw materials    Ethanol-->Methanol-->Chloroform-->Formaldehyde-->Potassium permanganate-->3,5-Dimethylpyrazole-->3-ethyl-5-methyl-1H-pyrazole-->3,5-(1H)-pyrazoledicarbaldehyde-->ethyl 3-forMyl-4,5-dihydro-1H-pyrazole-5-carboxylate-->5-Methyl-1H-pyrazole-3-carboxylic acid-->5-Pyrazolecarboxylic acid-->2,4-OCTANEDIONE-->CHEMBRDG-BB 4005123-->DIETHYL 3,5-PYRAZOLEDICARBOXYLATE
Preparation Products    5-N-Boc-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylic acid-->1,3,5-TRIMETHYL-PYRAZOLE-3,5-DICARBOXYLATE