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Tris(2-butoxyethyl) phosphate CAS 78-51-3 TBEP

Synonyms:TBEP
Ethanol, 2-butoxy-, phosphate (3:1)
Tri(2-butoxyethyl) phosphate
Tris(2-butoxyethanol) phosphate
Tributoxyethyl phosphate
Molecular Formula:C18H39O7P
Molecular Weight: 398.47
HS Code: 2919900090
Grade：Enterprise Standards
Hazard Class:General Cargo

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Model:
78-51-3
Brand:
boss chem
Code:
78-51-3

Product Description

Certificate of Analysis-COA

Analysis terms	Specification	Analysis results
Appearance, visual	Colorless to yellowish transparent liquid	Colorless to yellowish transparent liquid
Hazen color value (APHA)	≤60	20
Water content, %	≤0.2	0.080
Acid value, mgKOH/g	≤0.5	0.054
Refractive Index (nD25)	1.430–1.440	1.433
S.G (g/ml,25℃)	1.010–1.022	1.012
Conclusion	—	Qualified

Applications

1. For Floor Polish And Care Products: Tris(2-butoxyethyl) phosphate (TBEP, CAS 78-51-3) is a key plasticizer in floor polish and floor care formulations, improving film flexibility, leveling and gloss while enhancing durability and water resistance of polished surfaces.

2. For Flame-Retardant Plastics And Rubber: As a flame-retardant plasticizer, TBEP is used in PVC, polyurethane rubber, cellulose and epoxy systems, combining flame retardancy with plasticizing performance and good low-temperature flexibility.

3. For Coatings Adhesives And Resin Processing: TBEP acts as a resin solvent and viscosity modifier in coatings, adhesives and plastisols, helping formulators adjust flow and processing properties in industrial resin applications.

4. For Defoaming And Specialty Formulations: The compound also serves as an antifoaming agent in various industrial formulations, supporting process stability in chemical and manufacturing operations.

5. Reliable Supply For Global Industry: Supplied as high-purity liquid with consistent quality, TBEP gives floor care, plastics, rubber and coating manufacturers a dependable organophosphate additive with stable supply, flexible packaging and professional technical support.

Quality Assurance

Every batch of chemicals leaves our factory with complete laboratory documentation — not a promise, but verifiable test data. From incoming raw material inspection to finished-goods release, each batch is tested against published specifications, and a Certificate of Analysis (COA) accompanies every single shipment. What you order is exactly what we test — and what we ship.

Tested by our in-house ISO 9001:2015 laboratory. Verified independently by third-party labs on request (SGS / BV / Intertek). Traceable from raw material to your warehouse.

Packaging

Liquid plastic drums

Liquid tonnes

Liquid iron drums

Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)

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Why choose us?

Source manufacturer, price advantage

Experience in producing and exporting 500+ chemicals, factory direct supply

Extensive export experience

Exporting to over 70 countries including the USA, Canada, UK, Australia, Japan, South Korea, Southeast Asia, and Brazil

Flexible minimum order quantity

No quantity limit for samples and small trial orders, test first, then place an order

Fast response

24-hour online sales staff to reply to inquiries

Established logistics

Professional freight forwarder for chemicals, export packaging

Controllable quality

Each batch comes with TDS/MSDS/COA; accepts third-party testing (SGS, etc.)

Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis