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structure of 1551-21-9

Isopropyl Methyl Sulphide(CAS 1551-21-9)

CAS No.: 1551-21-9 Brand: MolBest
M. Ft.: C4H10S Cat. No: G8814452
M. Wt.: 90.18 MDL: MFCD00015035
Storage: 2-8℃ Use: For laboratory research use only
HS CODE: 2930909090 UN No.: UN 1993
Purity Grade Package Stock Price Quantity
97%
Documents:COANMRGCSDS
RG 1G In Stock 17 USD
97%
Documents:COANMRGCSDS
RG 5G In Stock 34 USD
97%
Documents:COANMRGCSDS
RG 25G In Stock 177 USD
97%
Documents:COANMRGCSDS
RG 100G In Stock 490 USD
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Physical and chemical properties of 1551-21-9

Boiling Point

82.00 to 83.00 °C. @ 0.00 mm Hg

Density

0.8±0.1 g/cm3

Exact Mass

90.050323

Flash Point

-14.5±10.8 °C

Index of Refraction

1.437

LogP

1.841 (est)

Melting Point

-101.48 °C

Molecular Formula

C4H10S

Molecular Weight

90.187

PSA

25.30000

Solubility

3417 mg/L @ 25 °C (est)

Storage condition

Refrigerator

Vapour Pressure

87.4±0.1 mmHg at 25°C

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Spectrums of 1551-21-9

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 1551-21-9

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Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor

Safety Data Sheet

Q&A for CAS 1551-21-9

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.

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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.

12. What payment methods do you accept?
We accept bank transfer (T/T), PayPal, and other methods. Credit terms may be available for qualified long-term partners.

Applications of 1551-21-9

Isopropyl methyl sulfide finds applications across various industries:

  • Solvent: It serves as a solvent for paints, coatings, and adhesives due to its ability to dissolve a wide range of organic compounds.
  • Chemical Intermediate: The compound is used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
  • Flavors and Fragrances: Its unique odor makes it useful in flavoring agents and fragrances.

Retrosynthesis analysis of 1551-21-9

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