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Zhishang Chemical

DIGLYCEROL CAS 627-82-7

Molecular Formula: C6H14O5

Formula Weight: 166.17

ZSpharmac: DIGLYCEROL Supplement

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Product Name: DIGLYCEROL
CAS No: 627-82-7
Purity: 99%

Basic Info

Product Name:DIGLYCEROL
Other Names:Diglycerol
CAS:627-82-7
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Organic Chemical Raw Materials
Appearance:Yellow Liquid
EINECS No.:211-013-8
Storage:Cool Dry Place
Provide:DIGLYCEROL MSDS;
DIGLYCEROL COA

What is DIGLYCEROL?

DIGLYCEROL is a yellow viscous liquid, a viscous hygroscopic liquid polyhydroxy ether O(CH 2 CHOHCH 2 OH) 2, made from glycerol dehydration, especially for the manufacture of rosin esters for varnishes with a boiling point of 265-270°C (2.0kPa), 225°C (0.4kPa), relative density 1.2774 (20/20°C), refractive index 1.4890. Soluble in water and ethanol, insoluble in ether. Easy to absorb water. A viscous hygroscopic liquid polyhydroxy ether O(CH 2 CHOHCH 2 OH) 2, made from dehydration of glycerol, especially for the manufacture of rosin esters for varnishes.

DIGLYCEROL Properties:

Melting point 319 °C
Boiling point 214.38°C (rough estimate)
density 1.280 g/mL at 20 °C(lit.)
refractive index n20/D 1.489
Fp 240°C
pka13.31±0.20(Predicted)
Specific Gravity1.285 (20/4℃)

DIGLYCEROL Uses

  1. DIGLYCEROL molecule contains 4 hydroxyl groups and is an organic synthesis intermediate with various reaction possibilities such as esterification and etherification.
  2. Main derivatives of DIGLYCEROL and diglycerol tetramethacrylate: monomers for adhesives. Diglycerol Oleate: Antifoaming agent, rust inhibitor for lubricating oil, non-dropping agent for PVC packaging materials, emulsifier for food, margarine and butter. Diglycerol ricinoleate Chemicalbook: brake fluid raw material, emulsifier and defoamer. Diglycerol stearate: food emulsifier, additives for coatings and detergents, anti-fogging agents, anti-evaporation agents for detergents containing solvents, shoe polish, wax, etc. Diglyceryl laurate: emulsifier, additive for detergents.
  3. DIGLYCEROL’s ethylene oxide adducts: demulsifiers, antistatic agents, mold release agents. Propylene oxide adduct of diglycerol: raw material for polyurethane, release agent. Triallyl ether of diglycerol: softener for synthetic rubber.
  4. DIGLYCEROL can be used in printing instead of glycerin.

DIGLYCEROL PRODUCTION METHOD

There are three production methods. 1. Glycerol dimerization method 2. Reaction of allyl alcohol and acetone 3. Reaction of epichlorohydrin and sodium hydroxide In industry, diglyceride is a by-product of synthesizing glycerol. When propylene is used as the starting material to produce glycerin by the acrolein method and the epichlorohydrin method, allyl alcohol and epichlorohydrin are the intermediates of the process, respectively.

Measuring Glycerol-Water and Diglycerol Mixtures

To analyze the mixing residential or commercial properties of glycerol-water and also diglycerol-water solutions, these remedies were gauged using undermined complete reflection infrared spectroscopy. Deduct the absorption range fixed for 1 µm density from pure polyol to get the water spectrum, and subtract the polyol spectrum from distilled water. With enhancing polyol concentration, especially at greater focus, both the uneven and also symmetrical CH extending vibrational bands (concerning 2940, 2885 cm-1) are moved to the reduced wavenumber side (red-shift) by about 10 cm- 1. For diglycerol-water (10 > 6 cm-1), the red shift of the C-O-H shaking band (regarding 1335 cm-1) is a little bigger with raising polyol focus than for glycerol-water solution. The C-O extending bands of CHOH groups (1125 and 1112 cm-1) were somewhat moved for glycerol as well as diglycerol at the greatest polyol concentrations (90– 100 wt%), yet on contrary sides. These modifications in CH extending, COH rocking, and also carbon monoxide extending of CHOH at greater polyol concentrations recommend the communication of the external CH with the inner CHOH groups of the bordering polyols. The variant of normalized band area with polyol focus can be fitted by a quadratic polynomial, which might result from a blend of various interactions in between water-water, polyol-water, and also polyol-polyol molecules. The OH stretch band for diglycerol 90 wt% shows 3 humps, showing at the very least three OH components: long, medium, and short H-bonded water particles. Short H-bond water particles may be the major part in between the inner CHOH and outer CH2OH teams, while long H-bonds might be freely bound with outer CH2OH teams

Polycondensation of DIGLYCEROL with H 3 PO 4.

To take a look at the blending properties of glycerol-water and also diglycerol-water remedies, these services were gauged using undermined complete reflection infrared spectroscopy. Subtract the absorption spectrum corrected for 1 µm thickness from pure polyol to acquire the water range, and subtract the polyol range from pure water. With raising polyol concentration, specifically at higher concentrations, both the asymmetric as well as symmetric CH stretching vibrational bands (about 2940, 2885 cm-1) are changed to the reduced wavenumber side (red-shift) by about 10 centimeters- 1. For diglycerol-water (10 > 6 cm-1), the red shift of the C-O-H rocking band (concerning 1335 cm-1) is somewhat larger with boosting polyol focus than for glycerol-water solution. The C-O stretching bands of CHOH groups (1125 as well as 1112 cm-1) were somewhat moved for glycerol as well as diglycerol at the greatest polyol concentrations (90– 100 wt%), but on opposite sides. These modifications in CH extending, COH shaking, and carbon monoxide extending of CHOH at higher polyol concentrations suggest the interaction of the outside CH with the inner CHOH groups of the bordering polyols. The variation of stabilized band area with polyol focus can be fitted by a quadratic polynomial, which may be due to a blend of various interactions in between water-water, polyol-water, as well as polyol-polyol particles. The OH stretch band for diglycerol 90 wt% shows 3 bulges, indicating a minimum of three OH parts: long, tool, and also short H-bonded water molecules. Brief H-bond water molecules might be the primary component in between the internal CHOH and external CH2OH groups, while long H-bonds might be loosely bound with outer CH2OH teams.

Synthesis of Diglyceride of Insulating Oil for Offshore Wind Power Transformer

Since wind is more abundant than onshore, wind power has recently been tailored to the sea. A transformer is a multi-terminal electrical device that converts electrical energy and is filled with insulating oil. This study presents the feasibility of diglycerides as insulating oils for offshore wind turbine transformers. Sulfated zirconia (SZ) was prepared by sol-gel method for the synthesis of diglycerides. Synthesis of diglyceride on SZ with diglycerol and fatty acid for insulating oil for offshore wind power transformers. SZ600 had the highest conversion of fatty acids. The insulating properties of the synthesized diglycerides on SZ600 showed a pour point of -50°C and a flash point of 316°C.

General Process of Diglycerol Refining

According to MarketWatch 2018, the international glycerin market is anticipated to enhance from 3,550 lots in 2016 to around 6,200 heaps by 2024 because of growth in biorenewable chemicals, biodiesel production, and widespread application. Nonetheless, in terms of market prices, technical grade glycerin is less expensive than refined glycerin, which is reported by Oleoline (2017) at around RM4,400 and RM5,400 per metric lot specifically.
fermentation to propane-1,3-diol, thermal decrease to syngas, etherification Supply fuel for oxygenates, transform to glycerol carbonate, and also synthesize epichlorohydrin Amongst them, the etherification of glycerol to polyglycerols, specifically diglycerides (DG) and also triglycerides (TG), has been significantly examined in recent studies because of their possible to regulate the hydrophilic-lipophilic equilibrium (HLB) as artificial additive much more focus. Pharmaceutical sector, lubricants, stabilizers, dispersants, plasticizers, and so on. According to a Grand View Research study research study of polyglycerol market dimension, the need for diglycerol as well as additionally triglycerol is anticipated to broaden by 50% from 2012 to 2022.Global diglycerol need is anticipated to expand at a CAGR of 5.3% owing to its vast application in numerous markets, thus validating the significance and added value of producing diglycerol.
As a result of variations out there cost of polished glycerin and also boosting demand for polyglycerol, especially the quickest chain oligomer diglycerol, research has been accomplished to upgrade glycerol for production through different processes such as pyrolysis, epichlorohydrin and also catalytic etherification Polyglycerol. Etherification is a single-step process for the catalytic conversion of glycerol to polyglycerol, requiring the condensation of 2 glycerol fragments to develop the easiest oligomers, diglycerols with straight, branched or cyclic isomers Further reactions create tri-, tetra- and also greater oligomers. Brief chain oligomers are chosen. As a result, etherification of glycerol under controlled problems is required The etherification procedure has the potential to replace the standard epichlorohydrin course to polyglycerol production, which is relatively complex and also involves the manufacturing of poisonous intermediates. Polyglycerol can be created from various resources, such as crude glycerol, yellow glycerol along with pure glycerol For that reason, the cost-effective production of glycerol derivatives is straight related to the high quality and cost of the glycerol feedstock.
Relating to the heating method, microwave irradiation is acquiring popularity as a home heating technique for organic reactions. It has been revealed to be a lot more efficient than typical water bathroom home heating Different benefits of microwave irradiation consist of fast interior heating, lowering response time, which makes up for its higher power consumption. Furthermore, effective as well as uniform home heating can be accomplished by microwave home heating, leading to good temperature level control.

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. It is a professional new chemical enterprise integrating R&D, production and sales.
The company’s dominant products are pharmaceutical raw materials and intermediates (especially sugar derivatives). In recent years, the company has made major breakthroughs in food and feed additives, plant extraction, industrial chemicals and other industries.laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.

Service

Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

 

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.

FAQ

Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.

 

HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?

You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.

Shipping

1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Get DIGLYCEROL Quotation