Description
Molecular Formula: CH4
Molecular Weight: 16.04246
Specification:
Items
Specifications
Melting Point
-40°C
Boiling Point
>300°C
Density
1.01g/mL at 20°C
Vapor Density
>1(vsair)
PourPoint
-26~-45
Vapor Pressure
<0.01mmHg (20°C)
Refractive Index
n20/D1.451
Flash point
230°C
Solubility
practically insoluble in water
Specific Gravity
1.005
Freezing Point
-25~-40
Stability
Stable. Substances to avoid include strong oxidizers.
Color（Pt-Co)
≤80
Acid value, mg KOH/g
≤0.5
Hydroxyl value, mg KOH/g
255-312
Items | Specifications |
Melting Point | -40°C |
Boiling Point | >300°C |
Density | 1.01g/mL at 20°C |
Vapor Density | >1(vsair) |
PourPoint | -26~-45 |
Vapor Pressure | <0.01mmHg (20°C) |
Refractive Index | n20/D1.451 |
Flash point | 230°C |
Solubility | practically insoluble in water |
Specific Gravity | 1.005 |
Freezing Point | -25~-40 |
Stability | Stable. Substances to avoid include strong oxidizers. |
Color（Pt-Co) | ≤80 |
Acid value, mg KOH/g | ≤0.5 |
Hydroxyl value, mg KOH/g | 255-312 |
Function：
1. It has good lubricating properties and has a low freezing point.
2. It has surface activity and can reduce the surface tension of liquid.
3. It can improve the processing performance and use performance of plastics.
4. It has hygroscopicity; it can reduce the surface tension of oil-water interface; it can dissolve many organic compounds and active ingredients.
4. It can be used as drug carrier; it has good lubricity and moisturizing property.
5. In inks and coatings, polypropylene glycol can be used as film-forming agent, plasticizer and leveling agent, etc..
6. It can be added to adhesives as plasticizer and softener.
Application：
1. Used as lubricant in metal processing, machinery manufacturing and other industries.
2. It can be used as antifreeze agent in antifreeze, refrigeration fluid and other products.
3. It is used as defoamer in paper making, textile, food processing, water treatment and other industries.
4. It can be used as plasticizer in plastic processing industry, such as manufacturing plastic film, pipe, wire and cable.
5. Commonly used in creams, lotions, lipsticks and other cosmetics, to help the skin lock moisture, to ensure that the texture of the product is uniform, etc..
6. In perfumes, serums and other products, polypropylene glycol can help dissolve spices, plant extracts and other ingredients, so that the product has good stability and uniformity.
7. By combining drugs with polypropylene glycol, it can realize the slow release and targeted delivery of drugs and improve the therapeutic effect of drugs.
8. It can be used as ointment base for the preparation of topical drugs.
9. In inks and coatings, polypropylene glycol can be used as film-forming agents, plasticizers and leveling agents, etc.
10. As plasticizers and softeners added to adhesives for bonding various materials, such as wood processing, packaging, etc..
