HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 18545442Generated: October 23, 2026
1-methyl-1H-indazol-7-amine
1-methyl-7-indazolamine · 7-Amino-1-methylindazole · 1-methyl-1H-indazol-7-amine · 7-Amino-1-methyl-1H-indazole · 1H-Indazol-7-amine, 1-methyl-
https://huagongshe.com/en/chemical/18545442
Identifiers & Physical Properties
| CAS No. | 41926-06-1 |
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| Molecular formula | C8H9N3 |
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| Average molar mass | 147.18 g/mol |
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| Monoisotopic mass | 147.07964729 g/mol |
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| SMILES | Cn1ncc2cccc(N)c21 |
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| InChIKey | FKQDTYKVWIDGNT-UHFFFAOYSA-N |
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| PubChem CID | 18545442 |
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| EC No. | 640-592-3 |
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| DTXSID | DTXSID60594975 |
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Chemical & Physical Properties
| XLogP | 0.9 |
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| Topological polar surface area | 43.8 |
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| Hydrogen bond donors | 1 |
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| Hydrogen bond acceptors | 2 |
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| Rotatable bonds | 0 |
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| Heavy atoms | 11 |
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| Formal charge | 0 |
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| Complexity | 148 |
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| Melting point | 135℃ |
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| Boiling point | 321.6±15.0 °C(Predicted) |
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| Density | 1.27±0.1 g/cm3(Predicted) |
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| Storage conditions | under inert gas (nitrogen or Argon) at 2–8 °C |
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| pKa (acidity coefficient) | 3.83±0.10(Predicted) |
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| Physical state | Crystalline Powder |
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| Color | Yellow to brown |
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| GHS pictogram | GHS07 |
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| Signal word | Warning |
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| GHS hazard statements | H302-H315-H319-H335-H412 |
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| GHS precautionary statements | P261-P273-P305+P351+P338 |
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| Hazard symbols | Xi,Xn |
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| Risk statements (R) | 22 |
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| Customs code | 29339980 |
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Safety & Regulations
| GHS classification | WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Hazard Classes and Categories | Acute Tox. 4 (100%) |
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| Customs code | 29339980 |
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| Risk statements (R) | 22 |
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| Signal word | Warning |
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| GHS pictogram | GHS07 |
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| Hazard symbols | Xi,Xn |
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| GHS hazard statements | H302-H315-H319-H335-H412 |
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| GHS precautionary statements | P261-P273-P305+P351+P338 |
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