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structure of 142-29-0

Cyclopentene(CAS 142-29-0)

CAS No.: 142-29-0 Brand: MolBest
M. Ft.: C5H8 Cat. No: G2152471
M. Wt.: 68.12 MDL: MFCD00001394
Storage: 2-8°C Use: For laboratory research use only
HS CODE: 2902199090 UN No.: UN 2246 3 /PG II
Purity Grade Package Stock Price Quantity
98%
Documents:COANMRSDS
RG 25ML In Stock 4 USD
98%
Documents:COANMRSDS
RG 100ML In Stock 6 USD
98%
Documents:COANMRSDS
RG 500ML In Stock 21 USD
98%
Documents:COANMRSDS
RG 2.5L In Stock 89 USD
98%
Documents:COANMRSDS
RG 25L In Stock 841 USD
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Applications of 142-29-0

Cyclopentene is utilized in various industrial applications:

  • Rubber and Plastics Production: It serves as a precursor in the manufacture of synthetic rubber and plastic materials.
  • Chemical Intermediates: Cyclopentene is used as an intermediate in organic synthesis for producing pharmaceuticals and agrochemicals.
  • Fuel Additives: Its combustion properties have led to studies on its potential use as an alternative fuel additive.

Physical and chemical properties of 142-29-0

Boiling Point

112 °F at 760 mmHg (USCG, 1999)

BRN

635707

Density

0.774 (USCG, 1999)

Exact Mass

68.062599

Flash Point

-30 °F (USCG, 1999)

Index of Refraction

1.465

LogP

2.33

Melting Point

-211 °F (USCG, 1999)

Molecular Formula

C5H8

Molecular Weight

68.117

Sensitivity

Air Sensitive

Solubility

water: soluble0.535g/L at 25°C

Stability

Stable. Highly flammable. Incompatible with strong oxidizing agents. Store cold.

Vapour Pressure

380.0 [mmHg]

Water Solubility

immiscible

Spectrums of 142-29-0

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 142-29-0

Retrosynthesis analysis of 142-29-0


Q&A for CAS 142-29-0

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.

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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.

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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 142-29-0

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H302+H312 Harmful if swallowed or in contact with skin
H302 Harmful if swallowed
H304 May be fatal if swallowed and enters airways
H312 Harmful in contact with skin
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H412 Harmful to aquatic life with long lasting effects

Safety Data Sheet

Download COA of 142-29-0

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Operate under the ISO 9001 system