1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione

1-(3,4-二氯苯基)-1,2-二氢-5H-四唑-5-硫酮

Also known as: 1-(3,4-Dichlorophenyl)-5-mercapto-1H-tetrazole, 1-(3,4-Dichlorophenyl)-1H-tetrazole-5-thiol, 1-(3,4-Dichlorophenyl)-2H-tetrazole-5-thione, 1-(3,4-Dichlorophenyl)-2-tetrazoline-5-thione, 3,4-Dichloro-PMT, EINECS 264-414-5

1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione (CAS 63684-99-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2N4S and a molecular weight of 247.10400 g/mol. It is also known as 1-(3,4-Dichlorophenyl)-5-mercapto-1H-tetrazole, 1-(3,4-Dichlorophenyl)-1H-tetrazole-5-thiol and 1-(3,4-Dichlorophenyl)-2H-tetrazole-5-thione. Key properties include a melting point of 148-150ºC, a boiling point of 339.6ºC at 760 mmHg, a density of 1.75 g/cm3 and a flash point of 159.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63684-99-1
Jingsj CID
J-23515-6
Molecular Formula
C7H4Cl2N4S
Chinese Name
1-(3,4-二氯苯基)-1,2-二氢-5H-四唑-5-硫酮
Molecular Weight
247.10400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-150ºC
Boiling Point339.6ºC at 760 mmHg
Density1.75 g/cm3
Flash Point159.2ºC

Frequently Asked Questions

What is the CAS number of 1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione?

The CAS number of 1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione is 63684-99-1.

What are the molecular formula and molecular weight of 1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione?

1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione has molecular formula C7H4Cl2N4S and molecular weight 247.10400 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione (CAS 63684-99-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23515-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.