1H-Tetrazole-1,5-diamine

Also known as: 1,5-Diamino-1H-tetrazole, 1,5-Diaminotetrazole, 1,5-diamino-1H-1,2,3,4-tetrazole, Tetrazole-1,5-diamine, (5-Aminotetrazol-1-yl)amine, AKOS B007034, ART-CHEM-BB B007034, ASINEX-REAG BAS 10309683, TIMTEC-BB SBB000033

1H-Tetrazole-1,5-diamine (CAS 2165-21-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula CH4N6 and a molecular weight of 100.08300 g/mol. Key properties include a boiling point of 399.7ºC at 760 mmHg, a density of 2.62g/cm3 and a flash point of 195.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2165-21-1
Jingsj CID: J-1495078-8
Molecular Formula: CH₄N₆
Molecular Weight: 100.08300 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	399.7ºC at 760 mmHg
Density	2.62g/cm3
Flash Point	195.5ºC
Exact Mass	100.05000
PSA	95.64000
Vapor Pressure	1.35E-06mmHg at 25°C
Refractive Index	2.212

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-Tetrazole-1,5-diamine?

The CAS number of 1H-Tetrazole-1,5-diamine is 2165-21-1.

What are the molecular formula and molecular weight of 1H-Tetrazole-1,5-diamine?

1H-Tetrazole-1,5-diamine has molecular formula CH4N6 and molecular weight 100.08300 g/mol.

What are the upstream and downstream products of 1H-Tetrazole-1,5-diamine?

For 1H-Tetrazole-1,5-diamine, Upstream Products: Thiosemicarbazide, Cyanogen bromide, 5-Amino-1H-tetrazole potassium salt; Downstream Products: 5-Amino-1H-tetrazole, 4,4'-Dinitrodiphenylamine, 2,4,6-trinitroaniline.

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-Tetrazole-1,5-diamine (CAS 2165-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495078-8 (accessed 2026-11-09).

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