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structure of 21900-52-7

5-Bromo-2-Chloro-Benzoyl Chloride(CAS 21900-52-7)

CAS No.: 21900-52-7 Brand: MolBest
M. Ft.: C7H3BrCl2O Cat. No: G6723671
M. Wt.: 253.91 MDL: No record
Storage: 2-8°C,Under inert gas. Use: For laboratory research use only
UN No.: UN 1759 8 /PG III
Purity Grade Package Stock Price Quantity
97%
Documents:COANMRSDS
RG 1G In Stock 15 USD
97%
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RG 5G In Stock 45 USD
97%
Documents:COANMRSDS
RG 25G In Stock 84 USD
97%
Documents:COANMRSDS
RG 100G In Stock 251 USD
97%
Documents:COANMRSDS
RG 500G In Stock 2100 USD
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Physical and chemical properties of 21900-52-7

Boiling Point

281.4±25.0 °C at 760 mmHg

Density

1.8±0.1 g/cm3

Exact Mass

251.874420

Flash Point

124.0±23.2 °C

Index of Refraction

1.597

LogP

3.29

Molecular Formula

C7H3BrCl2O

Molecular Weight

253.908

PSA

17.07000

Storage condition

under inert gas (nitrogen or Argon) at 2-8°C

Vapour Pressure

0.0±0.6 mmHg at 25°C

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Spectrums of 21900-52-7

Attention:
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.
Physical sample testing spectrum (NMR) of 21900-52-7

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Pictograms

Signal Word

Danger

Hazard Statements

H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400 Very toxic to aquatic life

Safety Data Sheet

Q&A for CAS 21900-52-7

1. How can I verify product quality?
Every batch is tested in accordance with ISO 9001 requirements. We provide a Certificate of Analysis (COA), NMR spectrum, purity report, and test methods with each shipment. Third-party retesting is supported, and we offer a full refund if our data is incorrect.

2. What is the delivery time?
Orders are shipped on the second business day via FedEx, DHL, or UPS. International deliveries typically arrive within 7 business days (subject to customs clearance).

3. What if the received product doesn’t meet quality standards?
If the product does not match the COA or has a quality issue, we will issue a full refund or replacement upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged in compliance with international regulations and shipped with an up-to-date Safety Data Sheet (SDS) to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our technical team is available to assist with questions about product use, storage, purity requirements, applications, and more.

6. Are volume discounts available?
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Yes, samples are available for select products for testing and validation. Please submit a sample request or contact our sales team to confirm availability and specifications.

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Items marked “In Stock” on our website are ready for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

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10. Is the COA consistent with the shipped batch?
Yes. The COA provided with your shipment matches the actual batch and includes the batch number. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer stable batch consistency, pricing agreements, and safety stock options for long-term customers to ensure uninterrupted supply.

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Applications of 21900-52-7

5-Bromo-2-chlorobenzoyl chloride is primarily used in:

  • Pharmaceutical Synthesis: It serves as an intermediate in the production of various drugs, particularly those targeting metabolic pathways.
  • Organic Synthesis: This compound is employed in synthesizing more complex organic molecules through acylation and coupling reactions.
  • Material Science: Its derivatives may be used in developing materials with specific electronic or optical properties due to their halogenated nature.

Retrosynthesis analysis of 21900-52-7


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