Dangerous Goods
structure of 4784-77-4

Trans-Crotyl Bromide(CAS 4784-77-4)

CAS No.: 4784-77-4 Brand: MolBest
M. Ft.: C4H7Br Cat. No: G1422588
M. Wt.: 135 MDL: MFCD00000248
Storage: 2-8°C Use: For laboratory research use only
UN No.: UN 1993 3 /PG II
Purity Grade Package Stock Price Quantity
83%
Documents:COANMRGCSDS
RG 1ML In Stock 18 USD
83%
Documents:COANMRGCSDS
RG 5ML In Stock 79 USD
83%
Documents:COANMRGCSDS
RG 25ML In Stock 379 USD
Your region is eligible for ordering.
Should you have any questions, please contact us by Email.
Batch COA
Available
NMR Spectrum
Verified
In Stock
Fast Shipping
ISO 9001
Quality System

Quick Links

Applications of 4784-77-4

2-Butene, 1-bromo- finds applications primarily in organic synthesis. Its uses include:

  • Intermediate in Chemical Synthesis: It serves as a building block for synthesizing more complex organic molecules.
  • Pheromone Research: Its structural properties make it a candidate for studies related to insect pheromones.
  • Pharmaceuticals: It may be used in developing pharmaceutical compounds due to its reactivity and ability to form various derivatives.

Physical and chemical properties of 4784-77-4

Boiling Point

97-99 °C(lit.)

Density

1.312 g/mL at 25 °C(lit.)

Exact Mass

133.97300

Flash Point

11 °C

Index of Refraction

n20/D 1.480(lit.)

LogP

1.95740

Melting Point

-115.07°C (estimate)

Molecular Formula

C4H7Br

Molecular Weight

135.00200

Storage condition

0-6°C

Spectrums of 4784-77-4

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 4784-77-4

Retrosynthesis analysis of 4784-77-4

Q&A for CAS 4784-77-4

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.

2. What is the delivery time?
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 4784-77-4

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H315 Causes skin irritation
H319 Causes serious eye irritation

Safety Data Sheet

Download COA of 4784-77-4

CAS/Product ID
*Required fields
Lot/Batch Number
*Required fields

Operate under the ISO 9001 system