Best Price Industrial Grade CAS 57-55-699.5 % Propylene Glycol
Propylene glycol is scientifically named as "1,2-propanediol", and has a chemical formula of CH3CHOHCH2OH and a molecular weight of 76.10. There is a chiral carbon atom in the molecule. Its racemate is a hygroscopic viscous liquid and is slightly spicy. It has a specific gravity of 1.036 (25/4 °C), a freezing point of-59 °C, and a boiling point of 188.2 °C, respectively 83.2 °C (1,333 Pa). It is miscible with water, acetone, ethyl acetate and chloroform, and is soluble in ether. It is soluble in many essential oils, but is not miscible with petroleum ether and paraffin oil. It is relatively stable to heat and light, and is more stable at low temperatures. Its L-isomer has a boiling point of 187 to 189 °C and a specific optical rotation [α] of D20-15.0°. It can be oxidized at high temperatures to propionaldehyde, lactic acid, pyruvic acid and acetic acid.
| item |
value |
| Classification |
Alcohol |
| CAS No. |
57-55-6 |
| Other Names |
1,2-Propanediol |
| MF |
C3H8O2 |
| EINECS No. |
200-338-0 |
| Grade Standard |
Food Grade, Industrial Grade, USP Grade |
| Purity |
99.5%min |
| Appearance |
Colorless transparent liquid |
| Application |
unsaturated polyester resin,cosmetics or food use |
| Color |
Colerless |
| Testing Item |
Quality Standard |
Testing Method |
result |
|
| Color |
Colorless |
GB 29216-2012 |
Colorless |
| Appearance |
Transparent Liquid |
GB 29216-2012 |
Transparent Liquid |
| Density (25ºC) |
1.035-1.037 |
|
1.036 |
| Propylene Glycol Assay % |
≥99.5 |
GB/T 4472-2011 |
99.91 |
| Water % |
≤0.2 |
GB/T 6283-2008 |
0.063 |
| Acid Assay, ml |
≤1.67 |
GB 29216-2012 |
1.04 |
| Burning residue % |
≤0.007 |
GB/T 7531-2008 |
0.006 |
| Pb mg/kg |
≤1 |
GB/T 5009.75-2003 |
0 |
Application:
1.Propylene glycol can be used as raw material for unsaturated polyester resin , epoxy resin, plasticizers, surfactants and PU resin, mainly used for paint, coating and plastic industries.
2.In cosmetics, can be used as a wetting agent and emollient, because of good viscosity and hygroscopicity.
3.In daily chemical is an important solvent.
4.It used as an antifreeze, also an important material for Tobacco Humectant.
215kg*80 drum/20FCL;
23000kgs/flexitank;
215kg*120 drum/40HQ;
1000kg/IBC:20 drums/20FCL;
We use high quality LAF FlexiTank and double reinforced impact protection
We use high quality LAF FlexiTank and double reinforced impact protection
Ever century chemical is a professional manufacturer and global distributor of chemical products . Our factory is located in Zibo city, the most important chemical industry city of Northern China. We have two specialized warehouse located in Zibo and Qingdao City, covered an area of 5000 square meters, which could provide our customer one-stop chemical sourcing service : mixing, repacking, storing, and distributing etc .
Since the foundation, we not only produce by ourselves, we also have established long-term and firm business relationships with over 300 Chinese enterprises that are engaged in various fields, including paint manufacturing, PU, chemical producing, rubber and plasticizer etc.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. Our customers spread in South America, Oceania, Africa, Europe, Middle-East and South East Asia. We are still opening and developing broader market.Depending on the advantages of self-produce, high quality products, competitive price,quick delivery and professional service, we win approval and trust of our clients all over the world.
Our advantage service
1.One-stop service station for your whole industry.
We can provide mixing, repacking, storing service for you .
You can buy all of them from us for only one time , we will update the orders processing of all to you on time. We are pleasure to be your warehouse and purchase office in China .
2.Provide the most favorable solutions.
There are many Chinese and other international suppliers of each item , you don't need to inquiry over all of them , just tell us your requirement, we will match the most suitable products for you based on our domestic international resources. We also have a lot of imported resources in our warehouse.
3.Qualified Quality is the first condition for business.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. -----Be honest, be sincere ,be your best consultant and supplier. We do the best as what we can, we tell you the truth what we can't reach, and providing sincere advice for you.
Question:
1.what is you payments?
Payment by T/T, ,L/C , DP
2. How to confirm the Product Quality?
1. You can get free samples for some products,only need to pay the shipping cost .
2. We have our own quality control department will provides quality control reports before shipment.
3.We can accept third party inspection.
3. How long is lead time, and how should you deliver to us?
We will arrange shipping within 3-5 days for small order, 7 days for bulk order. Some of the products we have stock can send to you immediately. After over 15 years on global trade, we has formed a mature international trade logistics chain. We can offer "door to door service", our professional team gives you this "one-stop" service to save your time .
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Best Price Industrial Grade CAS 57-55-699.5 % Propylene Glycol
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