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Siwin Catalyst for Propylene Polymerization CMMS Cyclohexyldimethoxymethylsilane Donor-C CAS. 17865-32-6 Origin China
US$4.00-8.00
25 kg
Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

CAS No.

17865-32-6

Color

Colorless

Model NO.

Donor-C

Appearance

Liquid

Transport Package

Iron Drum or IBC Drum

Specification

N/M

Trademark

Siwin

Origin

China

HS Code

2931900090

Production Capacity

100000

Key features

Superior Stereospecificity: Ensures remarkable stereospecificity in polymerization reactions.
Extended Active Life: Prolongs the active life of the carrier catalyst system.
Organosilicon Compound: Features Cyclohexyldimethoxymethylsilane (CMMS, Donor-C) with formula C10H22O2Si.
Protective Group Utility: Acts as a protective group for alcohols and carboxylic acids in organic synthesis.

Company profile

Nanjing Siwin New Material Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience
Business Type: Manufacturer/FactoryAverage Response Time: ≤4.74h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a broad scope covering specialized chemicals, synthetic materials, sealing products, rubber, coatings, mechanical equipment, and related materials. It holds ISO 9001 and GMP management-system certifications. Evidence indicates active R&D, new product development during the past year, ODM services, and broad customization capabilities. Quality controls include raw-material traceability, written inspection instructions, and random finished-product inspection, but only one quality assurance/control inspector is reported. Service procedures for supplier assessment, corrective and preventive action, and customer complaints are documented and followed. Inventory capability is available, while overseas warehousing and showrooms are not. The records do not establish financial credibility, manufacturing capacity, or specific customer cases.
CertificationsThe supplier reports ISO 9001 and GMP certification for its management systems. These are explicit certifications relevant to quality and regulated operating practices, supporting a positive assessment for this field.
After-Sales capabilityThe supplier has written procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. This directly supports an established after-sales issue-handling process.
R&D capabilityThe supplier reports new products within the past year, provides ODM services, and offers R&D capability as part of its supplier offering. However, it has no available SDK, so the evidence supports product-development capability but not SDK-based innovation support.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. These capabilities are reported both in its R&D information and its design-service records, providing direct evidence of broad customization support.

Product Q&A

Q:What is the CAS number for Siwin Catalyst?
A:
The CAS number for Siwin Catalyst (Donor-C) is 17865-32-6.
Q:How does this catalyst affect polymerization?
A:
It serves as an exceptional external electron donor that enhances catalyst activity, stereospecificity, and extends active life.
Q:What are the storage requirements?
A:
It should be stored under an inert atmosphere to prevent degradation.
Q:Is it used in organic synthesis?
A:
Yes, it acts as a protective group for alcohols and carboxylic acids, forming silyl ethers that can be deprotected with fluoride ions.
Q:Where is the product manufactured?
A:
The origin of the product is China.

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