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Specialized in1,1,1-tris(4-hydroxyphenyl)ethane CAS 27955-94-8and related product development and production

Chemical Name: 1,1,1-tris(4-hydroxyphenyl)ethane
CAS No.: 27955-94-8
Molecular weight: 306.36
Appearance: White to almost white crystalline powder

Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

1,1,1-Tris(4-hydroxyphenyl)ethane (CAS 27955-94-8): Technical Guide & Applications

Table of Contents

1. Product Overview & Specifications

Parameter 1,1,1-Tris(4-hydroxyphenyl)ethane
CAS Number 27955-94-8
Molecular Formula C20H18O3
Molecular Weight 306.36 g/mol
Appearance White to off-white crystalline powder
Purity ≥99% (HPLC)
Melting Point 220-225°C
Solubility Soluble in DMF, DMSO; sparingly soluble in water

2. Key Applications & Use Cases

Primary Industrial Uses:

  • Epoxy resin curing agent for aerospace composites
  • Flame retardant intermediate in polymer formulations
  • Photoresist component in semiconductor manufacturing
  • Antioxidant precursor for high-performance lubricants

Functional Advantages:

  • Superior thermal stability (up to 300°C continuous service)
  • High hydroxyl group density for crosslinking efficiency
  • Low volatility in high-temperature processing

3. Performance Comparison

Property 1,1,1-Tris(4-hydroxyphenyl)ethane Bisphenol A THPE Derivatives
Thermal Degradation Onset 325°C 220°C 290°C
Hydroxyl Value (mg KOH/g) 540-560 160-180 480-500
Viscosity @ 150°C (cP) 12-15 8-10 18-22

4. Industry Case Studies

Case Study 1: Aerospace Epoxy Systems

Client: European Composite Manufacturer
Challenge: Required a high-Tg resin for satellite components
Solution: Formulated with 15% 1,1,1-Tris(4-hydroxyphenyl)ethane
Results: Achieved Tg of 210°C (+35% vs. previous formulation)

Case Study 2: Flame Retardant Cable Coating

Client: Japanese Wire & Cable Producer
Challenge: UL94 V-0 compliance at <0.8mm thickness
Solution: 8% additive loading in PVC matrix
Results: Reduced smoke emission by 60% vs. BPA-based systems

5. Safety & Handling Guidelines

  • PPE Requirements: Nitrile gloves, dust mask (N95), chemical goggles
  • Storage: Keep in airtight container at 15-25°C (59-77°F)
  • Shelf Life: 36 months in original packaging
  • Emergency Procedures: Rinse with water for eye contact, consult SDS for full protocols

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Drug impurities to intermediates. Years of expertise.

Experience in the synthesis of complex compounds derived from American technology
Focus on the synthesis of difficult compounds
ISO 17034 dual system certification
National high-tech enterprise
5000+ square meters R&D center
A 70+ R&D team led by Chinese and foreign doctors
150 pieces (sets) of R&D equipment, 120+ fume hoods
18 patents

Solid QMS. Offer top-quality products and services.

Through more than ten years of continuous technological innovation and experience accumulation, the team's R&D personnel have established a complete quality management system for CATO, and have successively obtained ISO9001, ISO17034, CNAS and other international certifications.
It has successfully passed on-site inspections from the United States, Australia, Poland, Japan and domestic pharmaceutical company customers and institutions many times, providing high-quality one-stop services for R&D and production of new drugs around the world.

More than 150 sets of equipment to ensure quality.

The emphasis on quality is the basis for our survival and development, and is the most basic requirement for the products and services we provide. CATO has established a scientific, strict and comprehensive quality prevention and assurance system in accordance with international quality standards. Through advanced testing equipment such as GC-MS, chromatograph, nuclear magnetic resonance, scanning electron microscope, and ultraviolet light, quality management is implemented into every aspect of production and operation activities such as raw materials, inventory, production, testing, sales, verification, and training, and "All actions are controlled and traceable" as the work code of conduct for CATO employees.

Over 1000 cases. Synthesize complex compounds.

Currently, CATO serves more than 500 pharmaceutical companies, biotechnology and other companies around the world. Project types cover the entire cycle from pre-clinical to commercialization stages. As of 2020, CATO has delivered more than 1,000 projects in total.
The company has core technologies in key core technology fields such as high-end fluorine chemistry, asymmetric chiral synthesis, glycoside and biological enzyme technology, and continuous microreactors.

About the company

International Standard Chemicals Sell To All Over The World

FAQ

Does it support auditing?

Support, please make an appointment one day in advance. Company address: Room 716, Building 3, Ligao International Garden, No.1222 West Aoti Road, Lixia District, Jinan City, Shandong Province, P.R. China

Whether to provide samples?

Free samples can be provided for low value products, and small packaging specifications can be purchased for high value products.

Delivery time

Under normal circumstances, all items are in stock and will be shipped before 4 o'clock on the same day. Some products are produced to order, depending on the workshop situation and production schedule.

What is the production capacity?

At present, the company's workshop production equipment is mainly based on laboratories and pilot lines, with a maximum daily production capacity of 1.5 tons.

Can additional test indicators be added?

We can provide moisture, UV, IR, HNMR, CNMR, two-dimensional nuclear magnetic spectroscopy, optical rotation detection, elemental analysis, TGA analysis and residue analysis and other related tests to support personalized needs.

Technical direction

In the early stage, our company mainly engaged in drug impurity synthesis and standard product production, with core technologies in chirality, fluorine chemistry, and heterocycles.

Why Chem-iso’s delivery rate is guaranteed to be 99.99%

5000+

square meter R&D center

150+

China(set) of R&D equipment

150+

Fume hood

180+

R&D team

User’evaluation of us

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