Clofentezine

四螨嗪

Also known as: 3,6-Bis(2-chlorophenyl)-1,2,4,5-tetrazine, Apollo, Acaristop, Panatac, Bisclofentazin, Bisclofentazine, clofentezin, apolo, bisclofentezin

Clofentezine (CAS 74115-24-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H8Cl2N4 and a molecular weight of 303.14600 g/mol. It is also known as 3,6-Bis(2-chlorophenyl)-1,2,4,5-tetrazine, Apollo and Acaristop. Key properties include a melting point of 182-185 °C(lit.), a boiling point of 504.4ºC at 760 mmHg, a density of 1.398g/cm3 and a flash point of 290.4ºC. It is classified under GHS with signal word Warning and hazard statements H312 — Harmful in contact with skin and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74115-24-5
Jingsj CID: J-29580-4
Molecular Formula: C₁₄H₈Cl₂N₄
Chinese Name: 四螨嗪
Molecular Weight: 303.14600 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	182-185 °C(lit.)
Boiling Point	504.4ºC at 760 mmHg
Density	1.398g/cm3
Flash Point	290.4ºC
Exact Mass	302.01300
PSA	51.56000
LogP	3.90740
Refractive Index	1.634

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

H312 — Harmful in contact with skin
H400 — Very toxic to aquatic life

Activity & Biological Data

Additional Information	[1]. Marcic D. The effects of clofentezine on life-table parameters in two-spotted spider mite Tetranychus urticae. Exp Appl Acarol. 2003;30(4):249-63. [2]. Peter Demaeght, et al. High resolution genetic mapping uncovers chitin synthase-1 as the target-site of the structurally diverse mite growth inhibitors clofentezine, hexythiazox and etoxazole in Tetranychus urticae. Insect Biochem Mol Biol. 2014 Aug; 51: 52–61. [3]. Li D, et al. Assessment of sublethal effects of clofentezine on life-table parameters in Hawthorn spider mite (Tetranychus viennensis). Exp Appl Acarol. 2006;38(4):255-73.

Additional Information

[1]. Marcic D. The effects of clofentezine on life-table parameters in two-spotted spider mite Tetranychus urticae. Exp Appl Acarol. 2003;30(4):249-63. [2]. Peter Demaeght, et al. High resolution genetic mapping uncovers chitin synthase-1 as the target-site of the structurally diverse mite growth inhibitors clofentezine, hexythiazox and etoxazole in Tetranychus urticae. Insect Biochem Mol Biol. 2014 Aug; 51: 52–61. [3]. Li D, et al. Assessment of sublethal effects of clofentezine on life-table parameters in Hawthorn spider mite (Tetranychus viennensis). Exp Appl Acarol. 2006;38(4):255-73.

Customs & Trade Information

HS Code	2933990012
Summary	2933990012. VAT:17.0%. Tax rebate rate:9.0%. Supervision conditions:S(import or export registration certificate for pesticides). MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Clofentezine?

The CAS number of Clofentezine is 74115-24-5.

What are the molecular formula and molecular weight of Clofentezine?

Clofentezine has molecular formula C14H8Cl2N4 and molecular weight 303.14600 g/mol.

Is Clofentezine hazardous?

Clofentezine has GHS signal word Warning and hazard statements H312 — Harmful in contact with skin; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of Clofentezine?

For Clofentezine, Upstream Products: 3,6-Bis(2-chlorophenyl)-1,2-dihydro-1,2,4,5-tetrazine, 2-Chlorobenzonitrile.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Clofentezine (CAS 74115-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29580-4 (accessed 2026-10-28).

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