4-Methyl-1H-1,2,3-triazole

Modify Date: 2026-07-15 00:30:14

4-Methyl-1H-1,2,3-triazole Structure
4-Methyl-1H-1,2,3-triazole structure
Common Name 4-Methyl-1H-1,2,3-triazole
CAS Number 27808-16-8 Molecular Weight 83.092
Density 1.2±0.1 g/cm3 Boiling Point 209.6±9.0 °C at 760 mmHg
Molecular Formula C3H5N3 Melting Point N/A
MSDS N/A Flash Point 98.7±11.7 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-Methyl-1H-1,2,3-triazole
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 209.6±9.0 °C at 760 mmHg
Molecular Formula C3H5N3
Molecular Weight 83.092
Flash Point 98.7±11.7 °C
Exact Mass 83.048347
PSA 41.57000
LogP 0.69
Vapour Pressure 0.3±0.4 mmHg at 25°C
Index of Refraction 1.528
InChIKey GVSNQMFKEPBIOY-UHFFFAOYSA-N
SMILES Cc1cn[nH]n1
Storage condition 2-8°C

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

4-Methyl-1H-1,2,3-triazole Structure

4-Methyl-1H-1,2...

CAS#:27808-16-8

Learn More
Literature: ALVARO, Giuseppe; Amantini, David; Castiglioni, Emiliano; Di Fabio, Romano; Pavone, Francesca Patent: US2010/144760 A1, 2010 ; Location in patent: Page/Page column 36 ; US 20100144760 A1

~%

4-Methyl-1H-1,2,3-triazole Structure

4-Methyl-1H-1,2...

CAS#:27808-16-8

Learn More
Literature: Hartzel; Benson Journal of the American Chemical Society, 1954 , vol. 76, p. 667,668

~%

4-Methyl-1H-1,2,3-triazole Structure

4-Methyl-1H-1,2...

CAS#:27808-16-8

Learn More
Literature: Huettel, Rudolf; Schaefer, Otto; Jochum, Peter Justus Liebigs Annalen der Chemie, 1955 , vol. 593, p. 200 - 207

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  1

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-methyl-1,8-naphthyridine-2,7-diol
4-Methyl-1H-1,2,3-triazole
4-methyl-1,2,3-triazole
4-methyl-1,2,3-triazol

 4-Methyl-1H-1,2,3-triazole | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of 5-Methyl-1H-1,2,3-triazole?
A: SMILES notation of 5-Methyl-1H-1,2,3-triazole is Cc1cn[nH]n1.
Q: What is the molecular formula of 5-Methyl-1H-1,2,3-triazole?
A: Molecular formula of 5-Methyl-1H-1,2,3-triazole is C3H5N3.
Q: What is the English name of 5-Methyl-1H-1,2,3-triazole?
A: The English name of 5-Methyl-1H-1,2,3-triazole is 5-Methyl-1H-1,2,3-triazole.
Q: What are the upstream materials of 5-Methyl-1H-1,2,3-triazole?
A: Related upstream materials(CAS) of 5-Methyl-1H-1,2,3-triazole: 70380-30-2;74-99-7;89166-02-9.
Q: What is the LogP of 5-Methyl-1H-1,2,3-triazole?
A: LogP of 5-Methyl-1H-1,2,3-triazole is 0.69.
Q: What English synonyms does 5-Methyl-1H-1,2,3-triazole have?
A: English synonyms of 5-Methyl-1H-1,2,3-triazole: 4-methyl-1,8-naphthyridine-2,7-diol, 4-Methyl-1H-1,2,3-triazole, 4-methyl-1,2,3-triazole, 4-methyl-1,2,3-triazol.
Q: What is the polar surface area (PSA) of 5-Methyl-1H-1,2,3-triazole?
A: Polar surface area (PSA) of 5-Methyl-1H-1,2,3-triazole is 41.57000.
Q: What is the CAS number of 5-Methyl-1H-1,2,3-triazole?
A: CAS number of 5-Methyl-1H-1,2,3-triazole is 27808-16-8.
Q: What is the boiling point of 5-Methyl-1H-1,2,3-triazole?
A: Boiling point of 5-Methyl-1H-1,2,3-triazole is 209.6±9.0 °C at 760 mmHg.
Q: What is the InChIKey of 5-Methyl-1H-1,2,3-triazole?
A: InChIKey of 5-Methyl-1H-1,2,3-triazole is GVSNQMFKEPBIOY-UHFFFAOYSA-N.

 4-Methyl-1H-1,2,3-triazolefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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