Dangerous Goods
structure of 75-66-1

2-Methyl-2-Propanethiol(CAS 75-66-1)

CAS No.: 75-66-1 Brand: MolBest
M. Ft.: C4H10S Cat. No: G9321454
M. Wt.: 90.19 MDL: MFCD00004857
Storage: Store in a cool,dry area. Use: For laboratory research use only
UN No.: UN 2347 3 /PG II
Purity Grade Package Stock Price Quantity
99%
Documents:COANMRSDS
RG 500ML In Stock 30 USD
99%
Documents:COANMRSDS
RG 2.5L In Stock 135 USD
99%
Documents:COANMRSDS
RG 25L In Stock 1071 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

Promotion

Physical and chemical properties of 75-66-1

Acidity coefficient

pK1:11.22 (25°C,μ=0.1)

Boiling Point

64 °C

BRN

505947

Decomposition

When heated to decomposition or on contact with acid or acid fumes it emits highly toxic fumes of /sulfur oxides/.

Density

Relative density (water = 1): 0.80

Exact Mass

90.050323

Flash Point

-26 °C c.c.

Index of Refraction

Index of refraction: 1.41984 at 25 °C/D

LogP

log Kow = 2.14 (est)

Melting Point

0 °C

Merck

14,1579

Molecular Formula

C4H10S

Molecular Weight

90.187

Odor

Strong offensive odor

Odor Threshold

0.000029ppm

PSA

38.80000

Solubility

1.47g/L at 25°C

Stability

Stable. Flammable - note low flashpoint. Incompatible with strong oxidizing agents.

Storage condition

Flammables area

Vapour density

Relative vapor density (air = 1): 3.1

Vapour Pressure

Vapor pressure, kPa at 20 °C: 19.0

Water Solubility

Slightly soluble in water

Download COA of 75-66-1

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

Spectrums of 75-66-1

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 75-66-1

Download SDS of 75-66-1

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H304 May be fatal if swallowed and enters airways
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H411 Toxic to aquatic life with long lasting effects

Safety Data Sheet

Q&A for CAS 75-66-1

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?
Yes. We offer competitive pricing for bulk orders. Please submit a quotation request, and we’ll provide a customized offer.

7. Do you provide samples?
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.

8. Do you have products in stock?
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.

9. Can you customize purity or packaging?
Yes. We support customization of purity, packaging size, and special testing requirements. Please share your detailed needs, and we’ll provide a solution.

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 75-66-1

ButanethiolC4H10S\text{C}_4\text{H}_{10}\text{S}PungentUsed in gas odorantsEthanethiolC2H6S\text{C}_2\text{H}_6\text{S}Strong garlic-likeUsed in gas odorantsIsopropyl MercaptanC3H8S\text{C}_3\text{H}_8\text{S}Similar pungentUsed in gas odorantsSec-butyl MercaptanC4H10S\text{C}_4\text{H}_{10}\text{S}Strong odorUsed in gas odorants

Retrosynthesis analysis of 75-66-1


Operate under the ISO 9001 system