4,5-Dichlorobenzo[d]thiazol-2-amine

2-氨基-4,5-二氯苯并噻唑

Also known as: 2-Amino-4,5-dichlorobenzothiazole, 4,5-Dichloro-1,3-benzothiazol-2-amine, 2-Benzothiazolamine, 4,5-dichloro-, 4,5-Dichlorobenzo[d]thiazol-2-amine, 4,5-Dichloro-benzothiazol-2-ylamine, 4,5-dichloro-2-Benzothiazolamine, 2-Amino-4,5-dichlor-benzothiazol

4,5-Dichlorobenzo[d]thiazol-2-amine (CAS 1849-71-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2N2S and a molecular weight of 219.09100 g/mol. It is also known as 2-Amino-4,5-dichlorobenzothiazole, 4,5-Dichloro-1,3-benzothiazol-2-amine and 2-Benzothiazolamine, 4,5-dichloro-. Key properties include a boiling point of 379.7ºC at 760mmHg, a density of 1.654g/cm3 and a flash point of 183.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1849-71-4
Jingsj CID: J-1453085-6
Molecular Formula: C₇H₄Cl₂N₂S
Chinese Name: 2-氨基-4,5-二氯苯并噻唑
Molecular Weight: 219.09100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	379.7ºC at 760mmHg
Density	1.654g/cm3
Flash Point	183.5ºC
Exact Mass	217.94700
PSA	67.15000
LogP	3.76650
Vapor Pressure	5.73E-06mmHg at 25°C
Refractive Index	1.761

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4,5-Dichlorobenzo[d]thiazol-2-amine?

The CAS number of 4,5-Dichlorobenzo[d]thiazol-2-amine is 1849-71-4.

What are the molecular formula and molecular weight of 4,5-Dichlorobenzo[d]thiazol-2-amine?

4,5-Dichlorobenzo[d]thiazol-2-amine has molecular formula C7H4Cl2N2S and molecular weight 219.09100 g/mol.

What are the upstream and downstream products of 4,5-Dichlorobenzo[d]thiazol-2-amine?

For 4,5-Dichlorobenzo[d]thiazol-2-amine, Upstream Products: 2,3-Dichloroaniline, Potassium thiocyanate, 1-(2,3-dichlorophenyl)-2-thiourea; Downstream Products: 2-Bromo-4,5-dichlorobenzothiazole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Dichlorobenzo[d]thiazol-2-amine (CAS 1849-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453085-6 (accessed 2026-10-28).

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