PCB No 1
PCB No. 1 (CAS: 2051-60-7; Formula: C12H9Cl) is a monochlorinated biphenyl, a congener within the polychlorinated biphenyl (PCB) family. With a molecular weight of 188.65 g/mol, it is primarily used as an analytical standard for environmental testing and research. This compound is vital for calibrating analytical instruments and validating methods for detecting PCBs in environmental matrices.
- IUPAC
- 2-Chlorobiphenyl,2-PCB

Environmental Analytical Standard
PCB No. 1 serves as a certified reference material for the quantification of polychlorinated biphenyls in environmental samples such as soil, water, and air. It is crucial for method validation and instrument calibration in regulatory compliance testing.
Research and Development
In research settings, PCB No. 1 is employed to study the environmental fate, persistence, and toxicological effects of PCBs. It aids in understanding degradation pathways and developing remediation strategies.
Method Development
This analytical standard is used to develop and optimize analytical methodologies, particularly gas chromatography (GC) and mass spectrometry (MS) techniques, for the accurate detection and measurement of specific PCB congeners.
| Molecular weight | 188.65 |
|---|---|
| Empirical formula | C12H9Cl |
| Grade | analytical standard |


Hazard statements
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3432 9 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 33-50/53 |
| Safety statements (S) | 60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Ballschmiter Number | 1 |
|---|---|
| Gene Information | human ... CYP1A2(1544) |
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 PCB No. 1 used for?
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PCB No. 1 is used as an analytical standard for environmental testing and research, particularly for calibrating instruments and validating methods used to detect polychlorinated biphenyls in various environmental samples.
What are the CAS and chemical formula for PCB No. 1?
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The CAS number for PCB No. 1 is 2051-60-7, and its chemical formula is C12H9Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies PCB No. 1 as an analytical standard. The specific purity and assay are detailed in the product specifications, and it is not intended as a USP, BP, or EP grade material.
How should PCB No. 1 be handled and stored?
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PCB No. 1 should be handled with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Store in a well-ventilated area, away from incompatible materials, following safety data sheet recommendations. It carries hazards related to long-term health effects and environmental toxicity (H373, H410).
Is PCB No. 1 a controlled substance?
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While PCBs are regulated substances due to environmental persistence, PCB No. 1 itself is not listed as a scheduled controlled substance in standard regulatory frameworks, but its handling and disposal are subject to environmental regulations.
How can I request a sample or quote for PCB No. 1?
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To request a sample or a quotation for PCB No. 1, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
How is PCB No. 1 packaged and exported?
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PCB No. 1 is carefully packaged to meet transportation regulations, including UN 3432 classification for hazardous goods, and is exported globally by Tech Serve Solutions with appropriate documentation.
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