| Identification | More | [Name]
Indazole | [CAS]
271-44-3 | [Synonyms]
1,2-BENZODIAZOLE
1,2-BENZOPYRAZOLE
1,2-BENZPYRAZOLE
1H-INDAZOLE
AKOS BBS-00002896
BENZ-1,2-DIAZOLE
BENZOPYRAZOLE
IFLAB-BB F1918-0009
INDAZOLE
1,2-Diazaindene
1H-Benzopyrazole
2-Azaindole
Isoindazole
1h-indazol
Indazole,99%
Indazol
7-METHYL-1H-INDAZOLE-3-CARBALDEHYDE
1,2-Benzodiazole, 1,2-Benzopyrazole
Indazole ,98% | [EINECS(EC#)]
205-978-4 | [Molecular Formula]
C7H6N2 | [MDL Number]
MFCD00005691 | [Molecular Weight]
118.14 | [MOL File]
271-44-3.mol |
| Chemical Properties | Back Directory | [Appearance]
white to beige needle-like crystalline powder | [Melting point ]
145-148 °C (lit.) | [Boiling point ]
270 °C/743 mmHg (lit.) | [density ]
1.4220 (rough estimate) | [refractive index ]
1.5500 (estimate) | [Fp ]
270°C | [storage temp. ]
Inert atmosphere,Room Temperature | [form ]
Needle-Like Crystalline Powder | [pka]
14.00±0.10(Predicted) | [color ]
White to beige | [Water Solubility ]
SOLUBLE IN HOT WATER | [Detection Methods]
HPLC | [Merck ]
14,4936 | [BRN ]
109676 | [InChI]
1S/C7H6N2/c1-2-4-7-6(3-1)5-8-9-7/h1-5H,(H,8,9) | [InChIKey]
BAXOFTOLAUCFNW-UHFFFAOYSA-N | [SMILES]
c1ccc2[nH]ncc2c1 | [CAS DataBase Reference]
271-44-3(CAS DataBase Reference) | [NIST Chemistry Reference]
1H-Indazole(271-44-3) | [EPA Substance Registry System]
271-44-3(EPA Substance) |
| Safety Data | Back Directory | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [RTECS ]
NK7745000
| [HS Code ]
29339990 | [Storage Class]
11 - Combustible Solids |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Acetic acid-->Nitric acid-->Sodium nitrite-->Acetic anhydride-->Benzene-->Sodium acetate-->Anthranilic acid-->o-Toluidine-->Phosphorus-->Hydriodic acid-->1H-Indazole, 1-[(4-methylphenyl)sulfonyl]--->2,2-dimethyl-5-(phenylhydrazinylidene)-1,3-dioxane-4,6-dione-->1H-Indazole, 3-(trimethylsilyl)--->1H-Indazole, 3-fluoro--->4-Bromo-1H-indazole-->4-Fluoro (1H)indazole-->4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-indazole-->phenylcyanamide | [Preparation Products]
GRANISETRON-D3 |
| Hazard Information | Back Directory | [Chemical Properties]
white to beige needle-like crystalline powder | [Uses]
1H-Indazole is used in organic synthesis, it can react with butyryl chloride and 1-butyryl-1H-indazole. It is also used in synthesis of several small molecule inhibitors as potential cancer therapeutics. | [Definition]
ChEBI: 1H-indazole is an indazole. It is a tautomer of a 2H-indazole. | [Synthesis Reference(s)]
Journal of the American Chemical Society, 79, p. 5242, 1957 DOI: 10.1021/ja01576a047
Organic Syntheses, Coll. Vol. 3, p. 475, 1955 | [Purification Methods]
Crystallise indazole from water, sublime it in vacuo, then recrystallise it from pet ether (b 60-80o). The picrate crystallises from Et2O with m 136o. [Ainsworth Org Synth Coll Vol IV 536 1963, Beilstein 23 III/IV 1055, 23/6 V 156.] |
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