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Polyethylene-polypropylene glycol

CAS No.: 9003-11-6
Formula: (C3H6O.C2H4O)x
Molecular Weight: 102.13
Suppliers: All(0) China Suppliers(2) Products(13)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
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  • Supplier Reference
What is Polyethylene-polypropylene glycol

Polyethylene-polypropylene glycol (PEPG) is a versatile copolymer widely used in various industrial and consumer applications due to its unique properties. Composed of alternating ethylene oxide and propylene oxide units, PEPG combines the hydrophilic nature of polyethylene glycol (PEG) with the hydrophobic characteristics of polypropylene glycol (PPG), making it an effective surfactant, emulsifier, and stabilizer. It is commonly employed in pharmaceuticals, cosmetics, lubricants, and detergents, where its ability to modify viscosity, enhance solubility, and improve compatibility is highly valued. Additionally, PEPG is biocompatible and non-toxic, making it suitable for medical and personal care products. Its adaptability and performance make it a critical component in modern formulations.

Preparation Process: Polyethylene-polypropylene glycol (PEPG) is synthesized via anionic ring-opening polymerization. First, ethylene oxide (EO) and propylene oxide (PO) monomers are purified to remove impurities. A catalyst, typically potassium hydroxide (KOH) or a metal alkoxide, is added to an initiator like propylene glycol under inert conditions. The reaction occurs at 90–120°C under pressure. EO and PO are fed sequentially or as a mixture to control block or random copolymer structures. The reaction is quenched with acid, and the product is neutralized, filtered, and vacuum-dried to remove residual monomers and solvents. Molecular weight is adjusted by monomer-to-initiator ratios.

Usage Scenarios: Polyethylene-polypropylene glycol (PEPG) is a block copolymer used in various industrial and medical applications. It serves as a surfactant, emulsifier, and stabilizer in pharmaceuticals, cosmetics, and personal care products. In drug delivery, PEPG enhances solubility and bioavailability of poorly water-soluble drugs. It is also employed in lubricants, antifoaming agents, and as a dispersant in coatings and adhesives. In biomedicine, PEPG is used in hydrogels for tissue engineering and wound healing due to its biocompatibility and tunable properties. Additionally, it functions as a phase transfer catalyst in chemical synthesis and improves the performance of detergents and cleaning formulations.

Polyethylene-polypropylene glycol Basic Info
Chemical Name Polyethylene-polypropylene glycol
Synonyms Poloxamer;PLURONIC F-127;PLURONIC;POLOXAMER 407;POLOXAMER 188;Polyether;P188;PEG-PPG-PEG;PLURONIC F-68;poloxalene
CAS No. 9003-11-6
Molecular Formula (C3H6O.C2H4O)x
Molecular Weight 102.13
PSA 25.06000
LogP 0.42170
Safely Info
RTECS TP6164333
Hazard Class -
Safety Statements 23-24/25-45-36/37/39-26
HS Code 39059100
WGK Germany -
Packing Group -
RIDADR -
Risk Statements 21-23/24/25-25-36/37/38
Hazard Codes T
Caution Statement P273-P501
Hazard Declaration H412
Symbol -
Signal Word -
Polyethylene-polypropylene glycol Price
United States: $200-$400
China: $150-$300
Russia: $250-$450
Germany: $300-$500
India: $150-$250
Japan: $350-$550
Brazil: No results
South Korea: $200-$350
Philippines: No results
United Kingdom: $250-$400
France: $300-$450
Mexico: $200-$350
Canada: $250-$400
South Africa: $150-$250
Egypt: $200-$350
Turkey: $250-$400
Thailand: $150-$250
Indonesia: No results
MSDS
MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Pluronic® F-68    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
    CAS-No.        : 9003-11-6    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

SECTION 2: Hazards identification
  Classification of the substance or mixture
    Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
    This substance is not classified as dangerous according to Directive 67/548/EEC.
  Label elements
    The product does not need to be labelled in accordance with EC directives or respective national laws.
  Other hazards - none

SECTION 3: Composition/information on ingredients
  Substances
    Synonyms        : Polyoxyethylene-polyoxypropylene block copolymer    
    Formula        : (C3H6O.C2H4O)x    
    CAS-No.        : 9003-11-6    
    No components need to be disclosed according to the applicable regulations.

SECTION 4: First aid measures
  Description of first aid measures
  General advice
    Consult a physician. Show this safety data sheet to the doctor in attendance.
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
  In case of skin contact
    Wash off with soap and plenty of water. Consult a physician.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    no data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Carbon oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
    adequate ventilation. Avoid breathing dust.
    For personal protection see section 8.
  Environmental precautions
    Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
    containers for disposal.
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Provide appropriate exhaust ventilation at places where dust is formed.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
  Specific end use(s)
    Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
    at the end of workday.
  Personal protective equipment
  Eye/face protection
    Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
    and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
    Full contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    Splash contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
    anticipated use by our customers. It should not be construed as offering an approval for any
    specific use scenario.
  Body Protection
    Choose body protection in relation to its type, to the concentration and amount of dangerous
    substances, and to the specific work-place., The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
    use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
    approved under appropriate government standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Do not let product enter drains.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: solid    
    Colour: colourless
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        6,0 - 7    
    e) Melting point/freezing        no data available    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        no data available    
    h) Evapouration rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Auto-ignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

SECTION 10: Stability and reactivity
  Reactivity
    no data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    Strong oxidizing agents
  Hazardous decomposition products
    Other decomposition products - no data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    LD50 Oral - rat - 9.380 mg/kg
    LD50 Oral - mouse - 15.000 mg/kg
    LD50 Dermal - rabbit - 20.000 mg/kg
  Skin corrosion/irritation
    Skin - rabbit
    Result: Mild skin irritation - 24 h
  Serious eye damage/eye irritation
    Eyes - rabbit
    Result: Mild eye irritation - 24 h
  Respiratory or skin sensitisation
    - rabbit
    Did not cause sensitisation on laboratory animals.
  Germ cell mutagenicity
    Tests on bacterial or mammalian cell cultures did not show mutagenic effects.
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Additional Information
    RTECS: MD0911050
    Effects due to ingestion may include:, Diarrhoea, Weakness, To the best of our knowledge, the chemical,
    physical, and toxicological properties have not been thoroughly investigated.

SECTION 12: Ecological information
  Toxicity
    Toxicity to fish        static test LC50 - other fish - > 10.000 mg/l - 96 h    
    (OECD Test Guideline 203)
  Persistence and degradability
    no data available
  Bioaccumulative potential
    Bioaccumulation is unlikely.
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
  Other adverse effects
    no data available

SECTION 13: Disposal considerations
  Waste treatment methods
  Product
    Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
    with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: -        IMDG: -        IATA: -    
  UN proper shipping name
    ADR/RID: Not dangerous goods
    IMDG: Not dangerous goods
    IATA:        Not dangerous goods    
  Transport hazard class(es)
    ADR/RID: -        IMDG: -        IATA: -    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
Polyethylene-polypropylene glycol Suppliers
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