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organic solvents. Under normal conditions, it is colorless viscous liquid, almost tasteless and
slightly sweet.
can be used as wetting agent in cosmetics, toothpaste and soap together with glycerol or sorbitol.
In hair dyes, it is used as moisture regulating and hair leveling agent, antifreeze, cellophane,
plasticizer and pharmaceutical industry.
| Index | Tech | High | USP | |
| China standard | International standard | |||
| Purity (as PG by wt %) | 99.5 min | 99.5 min | 99.5 min | 99.8 min |
| Moisture by wt % | 0.2 max | 0.2 max | 0.2 max | 0.1 max |
| Color APHA, Pt-Co | 10 max | 5 max | 10 max | 10 max |
| Specific Gravity d2020 | 1.037~1.039 | 1.036~1.039 | 1.035~1.037 | 1.035~1.039 |
| Index of Refraction nD20 | 1.431~1.435 | 1.430~1.435 | 1.431~1.432 | 1.431~1.435 |
| Free acid (as CH3COOH) by ppm | 75 max | / | / | / |
| Free acid (ml 0.1N NaOH/10ml) | / | / | 0.05 max | 0.01 max |
| Alkalinity (as OH- mmol/100g) | / | 0.05 max | / | / |
| Residue on ignition by ppm | 80 max | / | 70 max | 20 max |
| Distillation range (IBP-DP) by ºC | / | 183~189 | / | 186~189 |
| Distillation range (L) by ºC | 184~189 | / | 184~189 | / |
| Distillation range (U) by ºC | 184~189 | / | 184~189 | / |
| Distillation volume, by vol% | 95 min | / | / | / |
| Chloride as Cl by wt % | / | / | 0.007 max | 0.0001 max |
| Suphate as SO42- by wt % | / | / | 0.006 max | 0.001 max |
| Heavy metal as Pb by ppm | / | / | 5 max | 5 max |
| Iron as Fe by ppm | / | / | 0.5 max | 0.5 max |
| Arsenic by ppm | / | / | 1 max | / |
| Ethylene Glycol by ppm | / | / | 0.008 max | / |
| Diethylene Glycol by ppm | / | / | 0.008 max | / |
| Odor | yes | yes | Slight odor | odorless |
1, 2-propylene glycol is an important raw material of unsaturated polyester, epoxy resin, polyurethane resin, plasticizer, surfactant, the amount of this aspect accounts for about 45% of the total consumption of propylene glycol, this unsaturated polyester is widely used in surface coatings and reinforcement plastics.
1, 2-propylene glycol has good viscosity and hygroscopic properties, and is widely used as hygroscopic agents, antifreeze agents, lubricants and solvents in the food, pharmaceutical and cosmetic industries.
In the food industry, 1, 2-propylene glycol reacts with fatty acids to form propylene glycol fatty acid ester, which is mainly used as food emulsifier.
1, 2-propylene glycol is an excellent solvent for flavoring and coloring. Due to its low toxicity, it is used as a solvent for spices and food coloring in the food industry.
1, 2-propylene glycol is often used in the pharmaceutical industry as a solvent, softener and excipient for the manufacture of various ointments and ointments, and as a solvent for mixing agents, preservatives, ointments, vitamins and penicillin in the pharmaceutical industry. Because propylene glycol has good miscibility with various spices, it is also used as a solvent and softener for cosmetics.
1, 2-propylene glycol is also used as a tobacco humidifier, anti-mold agent, food processing equipment lubricating oil and food marking ink solvent.
Aqueous solution of 1, 2-propylene glycol is an effective antifreeze agent. It is also used as tobacco wetting agent, anti-mildew agent, fruit ripening preservative, antifreeze and heat carrier.
Packing:200kg/ Iron drum, 80drums/20FCL
Dongying Yuchang Chemical Technology Co., Ltd is a comprehensive service company focusing on import & export of chemicals and domestic trade. We are integrating rich chemical resources along with individual customized services for all global clients. The company's office is located in Yihe Building, Guangrao County, Shandong Province, and the production workshop is located in the Economic Development Zone of Guangrao County, Shandong Province. The company has more than 20 sales managers, all of whom have detailed product knowledge and excellent sales skills, and can perfectly serve every customer. After long-term screening, the company has produced over 100 high-quality products and strictly controls the quality of the products, creating a perfect supply chain.
We specialized in offering the following chemicals:Isopropanol, Aniline,Dimethyl Formamide,Toluene,Terahydrofuran,Acenitrile, Xylene,Diisocyanate,Polyether Polyol,Polymer Polyol, Methyl Acetate, Ethyl Acetate, Butyl Acetate, Glacial Acetic Acid, Potassium Hydroxide, Nitrile Butadiene Rubber Latex, Caustic Soda, Dipropylene Glycol, Ethylene Glycol, Phenol, Phthalic Anhydride, Cyclohexanone,Cyclohexane, Thiourea, Barium Carbonate, Aluminum Chloride, Calcium Nitrate, N-propanol, 1-Butanol,Methyl Ethyl Ketone,Ethanol, Methanol, Dimethyl Carbonate, Dimethyl Sulfoxide,Dichlorodifluoromethane, Dichlorofluoromethane, Trichloroethylene, Tetrachloroethylene, Epichlorohydrin, Sodium Hydroxide Liquid,polyacrylamide etc.
1 Q:What is your MOQ?
A: Our MOQ is 20'FCL for each product.
2 Q: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like Iron drums,plastic drums, IBC tanks, Flexitank, ISO TANK and bags etc.
3 Q: Can I get some samples?
A: Yes, we welcome sample order for you to test and check our quality. Send me your requirements of the product you need. We can provide sample free of charge, and the express cost is on you.
4 Q: How to confirm the Product Quality before placing orders?
A : (1)Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
(2) Free sample or pre- shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers.
(3) Third Party Inspection like SGS can be arranged according to your requirement before shipping.
(4) On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
5Q :Which kind of payment terms do you accept?
A:We prefer TT, LC payment terms. Other payment terms are flexible to be further discussed.
6 Q:Can you give me a discount price?
A: Yes. It depends on your order qty.
7 Q: How about your delivery? How long is your delivery time?
A: Prompt and reliable delivery by professional shipping lines.
Generally it takes 7-14 days after deposit or original LC.
