3,5-Dichlorobenzenesulfonyl Chloride(CAS 705-21-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 1G | In Stock | 4 USD
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| 98% | RG | 5G | In Stock | 8 USD
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| 98% | RG | 25G | In Stock | 21 USD
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| 98% | RG | 100G | In Stock | 80 USD
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| 98% | RG | 500G | In Stock | 354 USD
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Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 705-21-5
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of active pharmaceutical ingredients (APIs), including antidepressants and antipsychotics | Used as a sulfonylation reagent in electrophilic aromatic substitution reactions to construct sulfonyl-containing drug molecules |
| Agrochemicals | Intermediate in the synthesis of agrochemicals, including herbicides and fungicides | Reacted via its sulfonyl chloride group with amines or phenols to form sulfonamide- or sulfonate-based agrochemical actives |
| Dyes & Pigments | Intermediate in the production of high-performance organic pigments and functional dyes | Introduces sulfonyl groups during coupling or condensation reactions to modulate dye solubility, color fastness, and photostability |
| Materials Science | Functional monomer for synthesizing polymeric materials, such as polysulfones and liquid crystal monomers | Participates in polymerization or post-polymerization functionalization to impart thermal stability, chemical resistance, or specific optoelectronic properties |
Physical and chemical properties of 705-21-5
Boiling Point |
334.4±32.0 °C at 760 mmHg |
|---|---|
BRN |
1528657 |
Density |
1.6±0.1 g/cm3 |
Exact Mass |
243.891937 |
Flash Point |
156.0±25.1 °C |
Index of Refraction |
1.582 |
LogP |
3.93 |
Melting Point |
32-35 °C(lit.) |
Molecular Formula |
C6H3Cl3O2S |
Molecular Weight |
245.511 |
PSA |
42.52000 |
Sensitivity |
Moisture Sensitive |
Solubility |
soluble in Toluene |
Storage condition |
Inert atmosphere,Room Temperature |
Vapour Pressure |
0.0±0.7 mmHg at 25°C |
Spectrums of 705-21-5
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 705-21-5
Q&A for CAS 705-21-5
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 705-21-5
Pictograms |
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Signal Word |
Danger |
Hazard Statements |
H314 Causes severe skin burns and eye damage |
Safety Data Sheet |
Download COA of 705-21-5
Operate under the ISO 9001 system
