3,4,4′-Trichlorocarbanilide
3,4,4′-Trichlorocarbanilide (CAS: 101-20-2) is a chemical compound with the linear formula Cl2C6H3NHCONHC6H4Cl and a molecular weight of 315.58. This urea derivative is recognised for its utility in analytical chemistry, particularly in the development of methods for detecting environmental contaminants like Triclocarban and phenols. It also serves as a valuable building block in chemical synthesis and research applications.
- IUPAC
- 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea,TCC,Triclocarban
- Synonyms
- 101-20-2Cl2C6H3NHCONHC6H4Cl1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)ureaTCCTriclocarban

Analytical Method Development
3,4,4′-Trichlorocarbanilide is utilised in the development of sensitive analytical techniques, such as isotope dilution online solid-phase extraction coupled with HPLC–tandem mass spectrometry, for the determination of environmental phenols and Triclocarban in biological samples like breast milk.
Environmental Research
This compound plays a role in quantitative structure-activity relationship (QSAR) studies investigating the co-occurrence of Triclocarban and Triclosan within United States water resources.
Chemical Synthesis and Research
As an organic building block, 3,4,4′-Trichlorocarbanilide is suitable for various chemical synthesis pathways and general research purposes in laboratories.
| Molecular weight | 315.58 |
|---|---|
| Linear formula | Cl2C6H3NHCONHC6H4Cl |
| Assay | 99% |
| Solubility | methanol: soluble |
| Vapour pressure | <0.1 mmHg (25 °C) |
| Application | 3,4,4′-Trichlorocarbanilide was used to develop a sensitive analytical method to determine triclocarban and environmental phenols in breast milk using isotope dilution on-line solid-phase extraction coupled with HPLC–tandem mass spectrometry1. 3,4,4′-Trichlorocarbanilide was used in quantitative structure-activity relationship (QSAR)analyses conducted to study the co-occurrence of Triclocarban and Triclosan in U.S. Water Resources2. |
| Suitability | suitable for 1694 per US EPA |
| Melting point | 254-256 °C(lit.) |

Hazard statements
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Flash point | >150 °C / >302 °F |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50/53 |
| Safety statements (S) | 61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... EPHX2(2053)mouse ... Ephx2(13850) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,4,4′-Trichlorocarbanilide used for?
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3,4,4′-Trichlorocarbanilide is primarily used in analytical method development for detecting environmental contaminants, in environmental research studies, and as a building block in chemical synthesis.
What is the CAS number and formula for 3,4,4′-Trichlorocarbanilide?
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The CAS number is 101-20-2, and the linear formula is Cl2C6H3NHCONHC6H4Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,4′-Trichlorocarbanilide with an assay of 99%. This product is suitable for 1694 per US EPA and is supplied as a research or technical grade. TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.
What are the safety considerations for handling 3,4,4′-Trichlorocarbanilide?
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3,4,4′-Trichlorocarbanilide is classified with GHS09 symbol and a Warning signal word, indicating it is hazardous to the aquatic environment (H410). Handle with care in a well-ventilated area, avoid release to the environment (P273), and dispose of contents/container in accordance with local regulations (P501).
How is 3,4,4′-Trichlorocarbanilide packed, shipped, and exported?
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3,4,4′-Trichlorocarbanilide is packaged in compliance with relevant regulations for safe transport. As a global supplier, Tech Serve Solutions exports this chemical internationally. Specific packaging details are available upon request.
How can I request a sample or quote for 3,4,4′-Trichlorocarbanilide?
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To request a sample or obtain a quotation for 3,4,4′-Trichlorocarbanilide, please contact our sales department through the website or by phone, providing your contact details and the quantity required.
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