1,4-Dichloro-2-butyne CAS 821-10-3 | High-Purity Supplier & Bulk Manufacturer
| Product Name | 1,4-Dichloro-2-butyne |
|---|---|
| Synonyms | 1,4-Dichlorobutyne, 2-Butyne,4-dichloro-, 1,4-dichloro-2-butine, 1,4-Dichlorobut-2-yne, 2-Butyne, 1,4-dichloro- |
| CAS Number | 821-10-3 |
| Catalog No. | FT-0606860 |
| Molecular Formula | C4H4Cl2 |
| Molecular Weight | 122.9800 |
| IUPAC Name | 1,4-dichlorobut-2-yne |
| InChI Key | RCHDLEVSZBOHOS-UHFFFAOYSA-N |
| Purity / Grade | 99% |
| Category | Chemical Reagents |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

Request 1,4-Dichloro-2-butyne (CAS 821-10-3)
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- High-purity grades, COA & SDS included
- Gram to kilogram & bulk quantities
- Custom synthesis & scale-up
- Worldwide compliant shipping
1,4-Dichloro-2-butyne Overview
1,4-Dichloro-2-butyne (CAS 821-10-3) is a high-purity fine chemical and pharmaceutical intermediate supplied by Finetech Industry Limited for scientific research and product development. It has the molecular formula C4H4Cl2 and a molecular weight of 122.9800. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies 1,4-Dichloro-2-butyne in high-purity grades, supporting pharmaceutical companies, contract research organizations, academic laboratories and industrial customers. Supply capacities range from gram quantities to kilogram and bulk production, with custom synthesis available for non-catalog analogs and scale-up. The exact purity and specification are stated on the Certificate of Analysis for each batch.
Applications of 1,4-Dichloro-2-butyne
Laboratory research
Used as a well-characterized laboratory reagent in research studies and product development, where batch-to-batch consistency matters.
Analytical reference
Suitable as an analytical reference material for method development, calibration and quality control.
Building block
Serves as a building block and intermediate in synthetic and analytical work, with custom quantities available on request.
Supplied as a general research reagent and intermediate for scientific research, analytical, industrial and commercial product-development applications, according to the product grade and the customer's intended use. Please confirm the applicable specification and intended-use requirements when requesting a quote.
Bulk Supply & Packaging
Finetech Industry Limited supplies 1,4-Dichloro-2-butyne for research and larger-scale requirements with flexible packaging and scalable manufacturing.
Each shipment includes a COA, SDS, batch traceability and secure protective packaging. Customized packaging and labeling are available on request.
Supply Capabilities
Scale
- Gram scale
- Kilogram scale
- Multi-kg / bulk
- Custom / MT on request
Documentation
- COA
- SDS
- HPLC / GC
- NMR / MS
Manufacturing
- Custom synthesis
- Process development
- Scale-up
- Pilot production
Shipping
- North America
- Europe
- Asia / Middle East
- Oceania
1,4-Dichloro-2-butyne FAQ
What is the CAS number of 1,4-Dichloro-2-butyne?
The CAS number of 1,4-Dichloro-2-butyne is 821-10-3. Its molecular formula is C4H4Cl2 and molecular weight is 122.9800.
What purity of 1,4-Dichloro-2-butyne does Finetech Industry Limited supply?
Finetech Industry Limited supplies 1,4-Dichloro-2-butyne in high-purity grades. The exact purity is stated on the Certificate of Analysis for each batch and can be confirmed before ordering.
Can Finetech Industry Limited supply 1,4-Dichloro-2-butyne in bulk?
Yes. Finetech Industry Limited supplies 1,4-Dichloro-2-butyne from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for 1,4-Dichloro-2-butyne?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.