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Advanced Phosphorus-Based
Chemicals for a Sustainable Future

Enke Chemical is one of the leading manufacturers of advanced alkyl phosphate esters, shaping a better and more sustainable life through innovation in flame retardants, plasticizers, extractants, and specialty chemicals.

From Yellow Phosphorus to Advanced Alkyl Phosphate Esters

Enke Chemical specializes in the complete production chain—from raw yellow phosphorus to high-performance alkyl phosphate esters. Our rigorous R&D focus ensures superior product quality and continuous improvement in manufacturing processes.

01

Phosphorus-Based Chemicals

We supply a full range of alkyl phosphate esters including TBP, TiBP, TBEP, TCP, and more for diverse industrial applications.

02

OEM Manufacturing

Custom synthesis and formulation capabilities to meet unique customer requirements and specifications.

03

Global Delivery & Compliance

Certified under REACH, K-REACH, KKDIK, and other international standards to serve clients across the globe.

What is Yellow Phosphorus?

Yellow phosphorus (P₄) is a waxy solid with a garlic-like odor, insoluble in water but soluble in organic solvents. It ignites spontaneously in air and is stored under water. Produced at high temperatures from phosphate ore, silica, and coke, it serves as the foundational raw material for phosphoric acid and downstream phosphate esters.

Molecular Formula: P₄
Molecular Weight: 124.08
Melting Point: 44.1°C
Boiling Point: 280°C
Density: 1.82 g/cm³
Storage: Under water

Our Main Products

High-performance phosphorus-based chemicals engineered for industrial excellence in flame retardancy, plasticization, extraction, and surface treatment.

Triisobutyl Phosphate (TiBP)

Primary ingredient in air-detraining agents for concrete admixtures.

  • • CAS Number: 126-71-6
  • • Appearance: Colorless to pale yellow liquid
  • • Application: Concrete additives

Tributyl Phosphate (TBP)

Widely used as a rare earth elements extractant in metal recovery.

  • • CAS Number: 126-73-8
  • • Appearance: Clear, oily liquid
  • • Application: REE extraction, solvent

Tris(2-chloroisopropyl) Phosphate (TCPP)

Effective flame retardant in rigid and flexible polyurethane foams.

  • • CAS Number: 13674-84-5
  • • Appearance: Colorless to light yellow liquid
  • • Application: PU foam, insulation

Triethyl Phosphate (TEP)

Flame retardant used across multiple industrial sectors.

  • • CAS Number: 78-40-0
  • • Appearance: Clear liquid
  • • Application: Polymers, coatings

Bisphenol-A Bis(Diphenyl Phosphate)

Non-halogenated flame retardant for engineering plastics.

  • • CAS Number: 5945-33-5
  • • Appearance: White crystalline powder
  • • Application: PC, PPO, ABS

Trioctyl Phosphate (TOP)

Used as plasticizer and surfactant in rubber and pesticide formulations.

  • • CAS Number: 78-42-2
  • • Appearance: Clear, viscous liquid
  • • Application: Rubber, agrochemicals

Dibutyl Phosphate (DBP)

Efficient extractant for rare earth elements and metal ions.

  • • CAS Number: 107-66-4
  • • Appearance: Colorless to pale yellow liquid
  • • Application: Hydrometallurgy

Triphenyl Phosphate (TPP)

Flame retardant and plasticizer for engineering thermoplastics.

  • • CAS Number: 115-86-6
  • • Appearance: White crystalline solid
  • • Application: Electronics, automotive

Trimethyl Phosphate (TMP)

Intermediate in pesticide and insecticide synthesis.

  • • CAS Number: 512-56-1
  • • Appearance: Colorless liquid
  • • Application: Agrochemicals

MQ Resin

Used in personal care products such as lipsticks and skincare formulations.

  • • Type: Silicone-modified
  • • Appearance: Transparent resin
  • • Application: Cosmetics, coatings

Tributoxyethyl Phosphate (TBEP)

Plasticizer for surface coatings, especially floor care products.

  • • CAS Number: 78-51-3
  • • Appearance: Clear liquid
  • • Application: Coatings, sealants

Air Detraining Agents

Formulated with TBP/TiBP to eliminate entrained air in concrete.

  • • Function: Improve concrete density
  • • Use: Pre-cast, ready-mix
  • • Benefit: Enhanced durability

Key Applications

Our phosphorus-based chemicals serve critical roles across multiple industries, enhancing performance, safety, and sustainability.

Flame Retardant

Phosphorus chemicals are widely used in polymers, textiles, and electronics for their effective, non-halogenated flame inhibition properties.

Plasticizer

Enhance flexibility and durability of PVC, rubbers, and coatings using our phosphate ester plasticizers.

Defoamer

TBP and TiBP offer low surface tension and water insolubility, making them ideal for dyeing, drilling, and industrial processes.

Rare Earth Extraction

Phosphate esters like TBP and DBP are excellent extractants for rare earth elements in hydrometallurgical processes.

Surface Coatings

TBEP and other esters improve adhesion, gloss, and wear resistance in floor polishes and protective coatings.

Concrete Admixtures

TBP and TiBP are key components in air-detraining agents that improve concrete strength and durability.

100+
Products & Formulations
50+
Global Markets Served
REACH
Compliant & Certified
12+
Years of Innovation

Frequently Asked Questions

What are alkyl phosphate esters used for?

They are used as flame retardants, plasticizers, extractants, defoamers, and in concrete admixtures due to their thermal stability and functional performance.

Can Enke Chemical provide custom formulations?

Yes, we offer OEM manufacturing and custom synthesis to meet specific industrial requirements and regulatory standards.

Are your products compliant with international regulations?

Yes, our products are REACH, K-REACH, and KKDIK compliant, enabling global distribution and use.

How is yellow phosphorus produced?

It is produced by heating phosphate ore, silica, and coke in an electric furnace above 1000°C, followed by condensation of phosphorus vapor.

Get in Touch

Reach out to Enke Chemical for product inquiries, technical support, or custom manufacturing solutions.

Email: steven@enke-chem.com
Phone: +8613475116806
Address: Room 906, C-building, Jindayuan Time Square, No.195 Huanghe Road, Dongying District, Dongying City, Shandong Province, China

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