1H-1,2,3-Triazole-4-carbaldehyde

Also known as: 1H-1,2,3-Triazole-5-carboxaldehyde, 1H-1,2,3-Triazole-5-carbaldehyde, 1H-1,2,3-Triazole-4-carboxaldehyde, 1H-[1,2,3]Triazole-4-carbaldehyde, 2H-1,2,3-Triazole-4-carboxaldehyde, 2H-triazole-4-carbaldehyde, v-Triazole-4-carboxaldehyde, NSC 20115

1H-1,2,3-Triazole-4-carbaldehyde (CAS 16681-68-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H3N3O and a molecular weight of 97.07540 g/mol. Key properties include a boiling point of 319.3ºC at 760mmHg, a density of 1.473g/cm3 and a flash point of 151.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16681-68-8
Jingsj CID: J-1518923-8
Molecular Formula: C₃H₃N₃O
Molecular Weight: 97.07540 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	319.3ºC at 760mmHg
Density	1.473g/cm3
Flash Point	151.4ºC
Exact Mass	97.02760
PSA	58.64000

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of 1H-1,2,3-Triazole-4-carbaldehyde?

The CAS number of 1H-1,2,3-Triazole-4-carbaldehyde is 16681-68-8.

What are the molecular formula and molecular weight of 1H-1,2,3-Triazole-4-carbaldehyde?

1H-1,2,3-Triazole-4-carbaldehyde has molecular formula C3H3N3O and molecular weight 97.07540 g/mol.

What are the upstream and downstream products of 1H-1,2,3-Triazole-4-carbaldehyde?

For 1H-1,2,3-Triazole-4-carbaldehyde, Upstream Products: Propiolaldehyde; Downstream Products: 1H-1,2,3-Triazole-4-carboxylic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1H-1,2,3-Triazole-4-carbaldehyde (CAS 16681-68-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518923-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.