What is the melting point of Siwin-P2OH?

The melting point is a minimum of 135 degrees Celsius.

Is this product suitable for modifying various resins?

Yes, it is ideal for modifying polyurethane, epoxy, acrylic resins, PP, PET, and PE.

Diphenylsilanediol CAS. 947-42-2 Silane

Name: Diphenylsilanediol CAS. 947-42-2 Silane
Brand: Nanjing Siwin New Material Co., Ltd.
SKU: 1947328101

Jiangsu, ChinaNanjing Siwin New Material Co., Ltd.

Negotiable

1 kg

Product profile

Customization

Available

CAS No.

947-42-2

Formula

C12h12o2si

Model NO.

Siwin-P2OH

EINECS

213-427-4

Color

White

Appearance

Powder

Purity

99min

Refractive Index (N20℃)

1.6480

Transport Package

Iron Drum

Specification

99%

Trademark

Siwin

Origin

China

HS Code

2931900090

Production Capacity

100000

Key features

High Purity Grade: Purity guaranteed at 99% minimum by GC analysis.

Optical Properties: Reduces birefringent index of waveguides via sol-gel polymer synthesis.

Versatile Applications: Key intermediate for silicone rubber, polyurethane, epoxy, acrylic resins, PP, PET, and PE.

Thermal Stability: Provides excellent mechanical and thermal properties to synthesized materials.

Surface Modification: Effective surface modifier for white carbon black with high selectivity.

Standard Packaging: Available in 80kg drums for safe storage and transport.

Chemical Structure: CAS 947-42-2, Formula C12H12O2Si, White needle crystal appearance.

Processing Performance: Crucial for controlling silicone rubber structure and preventing structuralization.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience

Nanjing Siwin New Material Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.46h

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 purity level of this product?

The purity is guaranteed to be 99% minimum as tested by Gas Chromatography (GC).

Q:What are the main applications of Diphenylsilanediol?

It is used to synthesize octa-phenylcyclotetrasiloxane, silicone resins, and polymers, and serves as a modifier for polyurethane, epoxy, and plastics.

Q:What is the physical appearance of the product?

The product appears as a white needle crystal powder.

Q:How is the product packaged?

It is packaged in 80kg drums.

Q:What are the key optical properties of this chemical?

It can reduce the birefringent index of waveguides when used in sol-gel polymer synthesis.