| Identification | More | [Name]
3,5-PYRAZOLEDICARBOXYLIC ACID | [CAS]
3112-31-0 | [Synonyms]
1H-PYRAZOLE-3,5-DICARBOXYLIC ACID
3,5-PYRAZOLEDICARBOXYLIC ACID
LABOTEST-BB LT00451775
PYRAZOLE-3,5-DICARBOXYLIC ACID
3,5-PYRAZOLEDICARBOXYLIC ACID HYDRATE
3,5-Pyrazoledicarboxylic acid ,98% | [EINECS(EC#)]
221-474-7 | [Molecular Formula]
C5H4N2O4 | [MDL Number]
MFCD00005235 | [Molecular Weight]
156.1 | [MOL File]
3112-31-0.mol |
| Chemical Properties | Back Directory | [Appearance]
white crystalline powder | [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 | [form ]
Crystalline Powder | [pka]
3.24±0.10(Predicted) | [color ]
White | [Detection Methods]
HPLC | [CAS DataBase Reference]
3112-31-0(CAS DataBase Reference) |
| Safety Data | Back Directory | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [HS Code ]
29331990 |
| Raw materials And Preparation Products | Back Directory | [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-->3, 5- Bis(benzimidazol-2-yl)pyrazole-->Dimethyl 1H-pyrazole-3,5-dicarboxylate |
| Hazard Information | Back Directory | [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.] |
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