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Send EmailVinyl Polyethylene Glycol Ether, Polyethylene Glycol Mono Methallyl Ether, VPEG, HPEG
Product Name: Vinyl Polyethylene Glycol Ether (VPEG)
Chemical Name: Poly(oxy-1,2-ethanediyl), α-(2-methyl-2-propen-1-yl)-, ω-hydroxy-
CAS Number: Yok
Form: Colorless to light yellow liquid / White flake solid (depending on grade)
Chemical Class: Polyether, vinyl ether, non-ionic surfactant
| Parameter | Description |
|---|---|
| Product Name | Vinyl Polyethylene Glycol Ether (VPEG) |
| Other Names | Polyethylene glycol monomethallyl ether, HPEG, Poly(oxy-1,2-ethanediyl), α-(2-methyl-2-propen-1-yl)-ω-hydroxy- |
| CAS Number | 31497-33-3 |
| Chemical Name | Poly(oxy-1,2-ethanediyl), α-(2-methyl-2-propen-1-yl)-, ω-hydroxy- |
| Appearance | Colorless to light yellow liquid / White flake solid (grade dependent) |
| Chemical Class | Polyether, vinyl ether, non-ionic surfactant |
| Functional Groups | Vinyl group (-CH=CH₂), hydroxyl group (-OH), ether bonds (-O-) |
| Molecular Formula | CH₂=C(CH₃)CH₂O(CH₂CH₂O)nH |
| Solubility | Soluble in water |
PRODUCT DESCRIPTION AND EXPLANATION:
Vinyl Polyethylene Glycol Ether (VPEG) is a non-ionic surfactant consisting of a polyethylene glycol (PEG) chain with a vinyl group (methallyl) at one end and a hydroxyl group at the other. This unique structure makes VPEG both hydrophilic (PEG chain) and reactive (vinyl group) .
VPEG is an essential raw material for Polycarboxylate Superplasticizer (PCE) production . The vinyl group enables participation in polymerization and copolymerization reactions, allowing it to copolymerize with monomers such as acrylic acid, maleic acid, and maleic anhydride to form crosslinked polymer networks . This property gives PCE high water reduction capacity and excellent dispersibility in cement applications.
The product features non-toxic properties, good water solubility, and outstanding compatibility with diverse ingredients . Different molecular weights (VPEG-2400, VPEG-3000, VPEG-4000, VPEG-5000) offer varying viscosity and reactivity characteristics . It is widely used in concrete admixtures, particularly for high-performance and high-strength concrete applications .
| Property | Value | Explanation |
|---|---|---|
| Appearance | Colorless to light yellow liquid / White flake solid | Grade dependent |
| Solubility | Soluble in water | Completely water soluble |
| Density | ~1.05 - 1.11 g/cm³ | |
| Flash Point | >100°C | |
| Melting Point | Varies by grade | White flake form at 25°C |
| pH (1% Aqueous Solution) | 5.5 - 7.5 | VPEG-2400/3000/4000/5000 |
| Hydroxyl Value | 10.2 - 25.5 mg KOH/g | Depends on molecular weight |
| Water Content | ≤0.5 - 0.8% | Grade dependent |
| Double Bond Retention Rate | ≥90% - ≥96% |
GRADE-SPECIFIC PROPERTIES:
| Grade | Molecular Weight | OH Value (mg KOH/g) | H₂O (wt%) | pH | Appearance |
|---|---|---|---|---|---|
| VPEG-2400 | 2200~2600 | 21.6~25.5 | ≤0.5 | 5.5~7.5 | White Flake |
| VPEG-3000 | 2800~3200 | 17.5~20.0 | ≤0.8 | 5.5~7.5 | White Flake |
| VPEG-4000 | 3600~4200 | 13.3~15.6 | ≤0.8 | 5.5~7.5 | White Flake |
| VPEG-5000 | 4500~5500 | 10.2~12.5 | ≤0.8 | 5.5~7.5 | White Flake |
Source:
PHYSICAL AND CHEMICAL PROPERTIES EXPLANATION:
VPEG appears as a colorless to light yellow liquid or white flake solid depending on the grade . It is completely soluble in water and compatible with most organic solvents . Density ranges from ~1.05 to 1.11 g/cm³ . Flash point is >100°C, indicating it is not a readily flammable liquid .
VPEG is available in different molecular weights (VPEG-2400, VPEG-3000, VPEG-4000, VPEG-5000) which provide varying viscosity and reactivity characteristics . Higher molecular weight grades (3000/4000/5000) develop higher strength concrete . The narrow molecular weight distribution ensures consistent performance . Double bond retention rate is ≥90-96%, indicating high chemical reactivity .
| Property | Description |
|---|---|
| Chemical Class | Polyether, vinyl ether |
| Functional Groups | Vinyl group (-CH=CH₂), hydroxyl group (-OH), ether bonds (-O-) |
| Reactivity | Vinyl group enables polymerization and copolymerization reactions |
| Copolymerization | Copolymerizes with acrylic acid, maleic acid, maleic anhydride |
| Radical Polymerization | Can undergo free radical copolymerization |
| Stability | Stable in high temperature |
| Hydrolysis | Will not hydrolytically deteriorate |
| Incompatibilities | Strong oxidizing agents, strong acids |
CHEMICAL PROPERTIES EXPLANATION:
The vinyl group in VPEG's molecular structure enables it to participate in polymerization and copolymerization reactions . This property is critical in polycarboxylate superplasticizer (PCE) production, where VPEG copolymerizes with acrylic acid, maleic acid, and maleic anhydride to form crosslinked polymer networks .
The double bond possesses remarkably higher chemical reactivity than conventional linear enol monomers . It can undergo free radical copolymerization with acrylic acid and hydroxyethyl acrylate . The special molecular structure reduces steric hindrance of polyether side chains, optimizing hydrophilicity, dispersion, and wrapping capacity of polymers .
VPEG is non-toxic and will not hydrolytically deteriorate . It is stable in high temperature applications . Strong oxidizing agents and strong acids should be avoided.
| Property | Description |
|---|---|
| Polymerization Reactivity | High double bond reactivity for efficient copolymerization |
| Water Solubility | Excellent water solubility for aqueous formulations |
| Dispersibility | Improves dispersion of solid particles in suspensions |
| Water Reduction | High range water reducers for concrete applications |
| Slump Retention | Maintains concrete workability over time |
| Strength Enhancement | Develops higher compressive strength (especially VPEG-3000/4000/5000) |
| Temperature Stability | Stable in high temperature conditions |
| Sulfate Resistance | Allyl ether structure blocks SO₄²⁻ attack |
FUNCTIONAL PROPERTIES EXPLANATION:
VPEG's primary functional role is as a macromonomer for polycarboxylate superplasticizer (PCE) synthesis. Its high double bond reactivity enables efficient free radical copolymerization with acrylic acid and other monomers . The finished PCE has stable molecular structure and forms long-lasting adsorption layers on cement particle surfaces .
Admixtures with VPEG reduce water content by more than 30%, improving concrete strength . VPEG also improves flow characteristics of suspensions, particularly in concrete applications . For mortar characteristics, lower molecular weight grades (VPEG-2400) provide excellent water reduction and slump retention, while higher grades (VPEG-3000/4000/5000) provide superior early compressive strength .
The allyl ether structure provides sulfate resistance, blocking SO₄²⁻ attack and making VPEG suitable for marine environment applications . The material is also stable in high temperature conditions .
| Application | Description |
|---|---|
| Polycarboxylate Superplasticizer (PCE) | Essential raw material for high-performance concrete admixtures |
| Concrete Admixtures | High range water reducers, slump retention agents |
| High Strength Concrete | VPEG-3000/4000/5000 for concrete >C60 |
| Sulfate-Resistant Concrete | Marine environment, bridge piers, coastal construction |
| Commercial Concrete | Suitable for on-site stirring and long-distance transportation |
| Construction Chemicals | Concrete admixtures, mortar, cement formulations |
APPLICATION AREAS EXPLANATION:
Polycarboxylate Superplasticizer (PCE) Production: VPEG's most important application is as an essential raw material for polycarboxylate superplasticizers . VPEG copolymerizes with acrylic acid and other monomers to form PCE, which provides high water reduction, dispersion, and slump retention for concrete .
High-Range Water Reducers: VPEG-based PCE provides high range water reduction, significantly reducing water content while maintaining workability . This results in higher strength and durability concrete.
High Strength Concrete: VPEG-3000/4000/5000 grades are specifically designed for high strength concrete applications, achieving compressive strengths over C60 . Higher molecular weight grades develop higher strength than low molecular weight VPEG series .
Sulfate-Resistant Applications: VPEG's allyl ether structure provides sulfate resistance, making it suitable for marine environments, sea-crossing bridges, and coastal construction with design lives exceeding 100 years .
Commercial Concrete: VPEG-based PCE is suitable for commercial concrete used in on-site stirring and long-distance transportation with high performance requirements .
High Reactivity: Double bond retention ≥90-96% ensures efficient copolymerization
Water Solubility: Completely water soluble for aqueous formulations
High Water Reduction: Reduces water content by more than 30%
Excellent Dispersibility: Optimizes dispersion and wrapping capacity of polymers
Slump Retention: Maintains concrete workability over extended periods
Strength Enhancement: VPEG-3000/4000/5000 develop higher compressive strength
Sulfate Resistance: Blocked SO₄²⁻ attack for marine applications
Temperature Stability: Stable in high temperature conditions
Non-Toxic: Non-toxic, non-irritant
No Hydrolysis: Will not hydrolytically deteriorate
| Parameter | VPEG-2400 | VPEG-3000 | VPEG-4000 | VPEG-5000 |
|---|---|---|---|---|
| Molecular Weight | 2200~2600 | 2800~3200 | 3600~4200 | 4500~5500 |
| OH Value (mg KOH/g) | 21.6~25.5 | 17.5~20.0 | 13.3~15.6 | 10.2~12.5 |
| Water (wt%) | ≤0.5 | ≤0.8 | ≤0.8 | ≤0.8 |
| pH | 5.5~7.5 | 5.5~7.5 | 5.5~7.5 | 5.5~7.5 |
| Appearance | White Flake | White Flake | White Flake | White Flake |
Source:
ADDITIONAL SPECIFICATIONS:
| Parameter | Specification |
|---|---|
| Double Bond Retention | ≥90% - ≥96% |
| Sulfur Content | ≤10 ppm |
| Chloride Ion | ≤0.01% |
| Degree of Unsaturation | ≥0.33 mmol/g |
| Solid Content | 50%±1.5% |
QUALITY STANDARDS EXPLANATION:
VPEG is manufactured with narrow molecular weight distribution and low impurity content . Key quality parameters include molecular weight, hydroxyl value, water content, pH, and double bond retention. Double bond retention ≥90-96% ensures high reactivity for efficient copolymerization . Sulfur content ≤10 ppm and chloride ion ≤0.01% are critical for concrete admixture applications .
| Parameter | Value |
|---|---|
| GHS Classification | Not classified as hazardous (under standard conditions) |
| Signal Word | Warning |
| Oral Toxicity | Harmful if swallowed (H302) |
| Skin Irritation | Causes skin irritation (H315) |
| Eye Irritation | Causes serious eye irritation (H319) |
| Respiratory Irritation | May cause respiratory tract irritation (H335) |
| Skin Sensitization | Negative |
| Mutagenicity | Negative |
| Carcinogenicity | Not classified |
| Bioaccumulation | Not likely |
| TSCA Status | Listed |
SAFETY PRECAUTIONS:
Inhalation: Avoid inhalation of dust/vapors; use in well-ventilated areas
Skin Contact: Wash with plenty of water and soap upon skin contact
Eye Contact: Rinse with plenty of water for at least 15 minutes
PPE Recommendations: Wear protective gloves, eye protection/face protection
Ingestion: Do not induce vomiting; rinse mouth; seek medical attention if large amount swallowed
SAFETY AND TOXICOLOGY EXPLANATION:
VPEG is considered a low-toxicity material under normal handling conditions. GHS classification indicates it may cause skin and eye irritation, and may be harmful if swallowed . It is TSCA listed for use in the USA . No mutagenic, carcinogenic, or reproductive toxicity classification exists. Bioaccumulation potential is low.
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, and well-ventilated area |
| Container Requirements | Tightly closed containers; keep in original packaging |
| Conditions to Avoid | Direct sunlight, excessive heat, moisture |
| Materials to Avoid | Strong oxidizing agents, strong acids |
| Shelf Life | 24 months (under proper storage) |
| Packaging Options | 25 kg/bag, 800 kg/bag, 1000 kg/bag |
STORAGE AND HANDLING EXPLANATION:
VPEG should be stored in cool, dry, and well-ventilated areas . Keep containers tightly closed in original packaging. Protect from direct sunlight, excessive heat, and moisture. Strong oxidizing agents and strong acids should be avoided. Under proper storage conditions, shelf life is 24 months . Packaging options include 25 kg/bag, 800 kg/bag, and 1000 kg/bag .
| Parameter | Information |
|---|---|
| UN Number | Not applicable (not a hazardous substance for transport) |
| Hazard Class | Not a hazardous substance |
| Packing Group | Not applicable |
| Proper Shipping Name | Polyethylene glycol monomethallyl ether |
| Marine Pollutant | No |
| ADR/RID Label | Not applicable |
| Transport Temperature | Ambient (room temperature) |
| Special Precautions | Protect from moisture; prevent leakage |
TRANSPORT INFORMATION EXPLANATION:
VPEG is not classified as a hazardous substance for transport. UN number, hazard class, and packing group are not required. Protect from moisture and prevent leakage during transport. Not classified as a marine pollutant.
| Region | Status |
|---|---|
| EU (REACH) | Registered / compliant |
| Türkiye (KKDİK) | Mandatory compliance; requires registration |
| USA (TSCA) | Listed |
| Canada (DSL) | Listed |
| Australia (AICS) | Listed |
| Japan (ENCS) | Listed |
| Korea (KECL) | Listed |
| China (IECSC) | Listed |
REGULATORY INFORMATION EXPLANATION:
VPEG is registered in all major industrial markets including the EU (REACH), USA (TSCA), Canada, Australia, Japan, Korea, and China . In Türkiye, it requires mandatory registration under KKDİK. TSCA listing confirms it is permitted for use in the USA . GHS classification requires appropriate labeling for irritant properties.
SUMMARY:
Vinyl Polyethylene Glycol Ether (VPEG, CAS 31497-33-3) is a non-ionic surfactant consisting of a polyethylene glycol chain with a vinyl group and a hydroxyl group. It appears as a colorless to light yellow liquid or white flake solid depending on grade, is completely water soluble, and has a density of ~1.05-1.11 g/cm³ .
The vinyl group enables polymerization and copolymerization reactions, making VPEG an essential raw material for polycarboxylate superplasticizer (PCE) production . It copolymerizes with acrylic acid, maleic acid, and maleic anhydride to form high-performance concrete admixtures . Available in multiple molecular weights (VPEG-2400, 3000, 4000, 5000) offering different viscosity and reactivity characteristics .
VPEG-based PCE provides high water reduction (>30%), excellent dispersibility, slump retention, and strength enhancement . It is suitable for high-performance and high-strength concrete applications, including marine environments requiring sulfate resistance . The product is non-toxic, non-irritant, and will not hydrolytically deteriorate .
GHS classification indicates skin and eye irritation hazards; appropriate PPE should be used . Store in cool, dry, well-ventilated areas; shelf life is 24 months .
| Property | Value |
|---|---|
| Product Name | Vinyl Polyethylene Glycol Ether (VPEG) |
| CAS Number | 31497-33-3 |
| Appearance | Colorless to light yellow liquid / White flake solid |
| Solubility | Soluble in water |
| Density | ~1.05 - 1.11 g/cm³ |
| Flash Point | >100°C |
| pH (1% solution) | 5.5 - 7.5 |
| Chemical Class | Polyether, vinyl ether |
| Primary Use | Polycarboxylate Superplasticizer (PCE) raw material |
| Industry | Applications |
|---|---|
| Construction | Polycarboxylate superplasticizer, concrete admixtures |
| Construction | High strength concrete (>C60) |
| Construction | Sulfate-resistant concrete, marine construction |
| Construction | Commercial concrete, on-site stirring, long-distance transport |
IRRITANT: Causes skin and serious eye irritation; may cause respiratory irritation
TOXICITY: Harmful if swallowed (H302)
STORAGE: Cool, dry, well-ventilated area
PPE RECOMMENDED: Protective gloves, eye/face protection
TSCA STATUS: Listed for use in USA
SHELF LIFE: 24 months
Reactive Vinyl Group: VPEG's vinyl group enables polymerization and copolymerization reactions, making it an essential raw material for polycarboxylate superplasticizer (PCE) production .
Molecular Weight Variability: VPEG is available in multiple molecular weights (VPEG-2400, 3000, 4000, 5000). Higher molecular weight grades develop higher compressive strength concrete .
PCE Production: VPEG copolymerizes with acrylic acid, maleic acid, and maleic anhydride to form PCE with high water reduction (>30%) and excellent dispersibility .
Sulfate Resistance: The allyl ether structure blocks SO₄²⁻ attack, making VPEG suitable for marine and corrosive environment applications .
Water Solubility: Completely water soluble, making it ideal for aqueous formulations .
Double Bond Retention: ≥90-96% double bond retention ensures efficient copolymerization .
Temperature Stability: Stable in high temperature conditions .
IMPORTANT DISCLAIMER: This Technical Data Sheet (TDS) is for informational purposes only and is prepared based on available technical data. The information provided is believed to be accurate. However, the user is solely responsible for determining the product's suitability for their specific applications and for complying with all applicable local, national, and international regulations and safety requirements. For complete safety, storage, handling, transport, waste, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. Users are obligated to test the product in their own processes and applications. All occupational health and safety rules must be observed when working with VPEG.