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Zhishang Chemical

Butyldiglycol CAS 112-34-5

Molecular Formula: C8H18O3

Formula Weight: 162.23

ZSpharmac: Butyldiglycol Supplement

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Product Name: Butyldiglycol
CAS No: 112-34-5
Purity: 99%

Basic Info

Product Name:Butyldiglycol
Other Names:2-(2-Butoxyethoxy)ethanol
CAS:112-34-5
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Organic Chemical Raw Materials
Appearance:Clear Colorless Liquid
EINECS No.:203-961-6
Storage:Store Below +30°C.
Provide:Butyldiglycol MSDS;
Butyldiglycol COA

What is Butyldiglycol?

Diethylene glycol butyl ether is a colorless liquid, soluble in water and oil. It is prepared by co-heating of ethylene oxide and ethylene glycol butyl ether under pressure. Because ethylene glycol monobutyl ether contains hydroxyl and ether bonds in its molecular structure, it is both hydrophilic and lipophilic, soluble in water, methanol, ethanol, ether, acetone, benzene, carbon tetrachloride, heptane and other organic solvents and mineral. It is used as a surface penetrant and bridge agent in cleaning agents, has low surface tension, and can act as a miscible bridge between greases and incompatible polar solvents such as water and isopropyl alcohol (eg, isopropyl alcohol) Alcohol and white oil, if you pour them directly together, you will find that they are incompatible with each other and have clear layers, but when BCS is added, the layers disappear and the two dissolve into a clear solution, which is both mutually soluble and can reduce surface tension. The water-soluble organic solvent with defoaming effect has a good effect in cleaning oil stains.
A good high-boiling point solvent; used as solvent and colorant; in metal surface treatment, used as metal cleaning agent to remove oil, paint and other contaminants; integrated circuit, electronic component cleaning agent; pesticide dispersant; organic synthesis intermediate; Mild, non-irritating household liquid detergent; fiber wetting agent; resin plasticizer, colorless liquid. Melting point -68.1 ℃, boiling point 230.4 ℃, relative density 0.9536 (20/20 ℃), refractive index 1.4258 (27 ℃), 1.4321. Flash point 100 ℃. Soluble in alcohol and ether, soluble in water and oil. Mainly used as a solvent for coatings; dyes; resins, etc., and also as an intermediate for plasticizers and a diluent for hydraulic brake fluids.

Butyldiglycol Properties:

Melting point -68 °C (lit.) -68 °C (lit.)
Boiling point 231 °C (lit.)
density 0.967 g/mL at 25 °C (lit.)
vapor density 5.6 (vs air)
vapor pressure 30 mm Hg ( 130 °C)
refractive index n20/D 1.432
Fp 212 °F
storage temp. Store below +30°C.
form Liquid
pka14.37±0.10(Predicted)
color Clear Colorless
OdorMild, characteristic; pleasant.
PH Range7
explosive limit0.7-5.9%(V)
Water Solubility soluble

 

Butyldiglycol Uses

  1. Due to its higher boiling point and lower volatilization rate, Butyldiglycol can be used as a solvent for paints, inks, resins, etc., and can dissolve oils, dyes, resins, nitrocellulose, etc., and is also used in organic synthesis.
  2. Butyldiglycol is mainly used as a solvent for coatings, dyes, resins, etc. It is also used as an intermediate for plasticizers and a diluent for hydraulic brake fluids. 
  3. Butyldiglycol is mainly used as a solvent for coatings, printing inks, stamp pad inks for stamps, oils, resins, etc., and can also be used as metal detergents, paint strippers, delubricants, automotive engine detergents, dry cleaning solvents, epoxy resins Solvent, drug extractant; used as stabilizer for latex paint, evaporation inhibitor for aircraft coating, surface processing improver for high temperature baking enamel, etc.

Butyldiglycol Industry Development Opportunities andChallenges

foreword
Glycol ether is prepared by the catalytic reaction of ethylene oxide by adding corresponding alcohols. Therefore, the glycol ether molecule contains the structure of ether and alcohol at the same time. It has good solubility of alcohol and ether, and is an excellent product. Solvents are widely used in coatings, inks, electronic cleaning and other industries. According to Zhuochuang statistics, in 2019, the designed production capacity of glycol ethers in China is about 240,000 tons, the industry output is about 117,250 tons, the actual downstream demand is about 298,300 tons, and the consumption of ethylene oxide is about 50,000 tons. Although the domestic output is far less than the downstream demand, the import supply supplements the gap. With the continuous development of the downstream water-based coatings and electronics industries, the glycol ether industry still has good development prospects, but at the same time, the domestic and imported competition is becoming more and more fierce, and it will face severe challenges in 2020. How will the development of China’s glycol ether industry be?
Development opportunities and challenges
Ethylene glycol butyl ether series products have the highest weight among glycol ethers. The designed production capacity of ethylene glycol butyl ether series products is 100,000 tons, accounting for 43.47% of the industry. The cumulative output is about 59,500 tons, accounting for 50.74% of the industry. , the actual downstream consumption is about 227,300 tons, accounting for 76.19% of the industry, so most of the analysis in the following analysis takes ethylene glycol butyl ether series products as an example.


Advantages and Opportunities for Production Process Maturity
Before 2000, most of the domestic manufacturers of glycol ethers still adopted the batch homogeneous alkali catalysis reaction process of kettle type. The catalysts used were mainly sodium alkoxide or potassium alkoxide. At present, the continuous tubular reactor is used to produce glycol ether in the industry. In the continuous tubular reaction, the three strands of reaction material EO, ethanol (or methanol), and the prepared catalyst solution enter the static mixer at the same time, and then enter into the static mixer after mixing. In the tubular reactor, the material enters the intermediate tank or directly enters the rectification tower for separation after the reaction, and collects different fractions as products. At present, the production technology of the domestic glycol ether industry has been highly mature, and the product quality is similar to the imported supply, and the downstream acceptance is good.

Butyldiglycol Multi-Faceted Application

More than 75% is used as a solvent for coatings, inks, cleaning agents, etc., and its non-solvent uses include brake fluid, antifreeze and other chemical intermediates. It can be used as a solvent for nitrocellulose, varnishes, resins and oils, etc.
1) Prepare an organic binder for the back electrode silver paste of crystalline silicon photovoltaic cells, which is composed of: 1-10% ethyl cellulose, 1-5% cellulose acetate butyrate, diethylene glycol butyl Ether acetate 50-70%, diethylene glycol butyl ether 10-40%, dodecyl alcohol ester 1-5%, castor oil derivative 0.1-0.5%, tallow propylene diamine oleate 0.1-3 %. The preparation method is as follows: uniformly mixing diethylene glycol butyl ether, diethylene glycol butyl ether acetate, ethyl cellulose, cellulose acetate butyrate, dodecyl alcohol ester and hydrogenated castor oil derivative, and heating to 80 ℃-90 ℃, constant temperature reaction for 1.5-2.5 hours, after complete dissolution, add tallow propylene diamine oleate, stir evenly, cool and filter to obtain organic binder. Using the organic binder of the present invention to prepare the backside silver paste for crystalline silicon photovoltaic cells has good anti-settling effect, good fluidity and good screen printing performance.
2) Prepare a resistance paste, which is prepared from the following raw materials in parts by weight: 50-100 parts of conductive phase, 100-150 parts of inorganic phase, 200-500 parts of organic phase, and 25-50 parts of auxiliary; wherein: conductive phase The phase is 20-30% flake graphite powder, 40-50% ruthenium dioxide powder, 50-60% nano silver powder; the inorganic phase is 22-60% silicon oxide, 13-30% calcium oxide, 5-23% barium oxide, 12-28% antimony trioxide, 15-25% phosphorus pentoxide; organic phase is 16-36% diethylene glycol butyl ether, 21-35% diethylene glycol butyl ether acetate, 18-28% lemon Tributyl acid, 7-12% ethyl cellulose, 6-18% hydrogenated castor oil, 0-8% polyamide wax, 18-30% silicone resin; auxiliary agent is 16-55% nano-carbon conductive Filler, 24-48% ultra-fine base metal alloy powder conductive filler; the resistance paste of the present invention has strong adhesion to the substrate and is resistant to aging. Moreover, the method has simple process requirements and low manufacturing cost.
3) Prepare a resistance paste suitable for aluminum silicon carbide substrate, the resistance paste includes the following materials: conductive phase 15%-30%, glass powder 43%-55%, organic phase 26%-34%, auxiliary agent 1%-3%; the conductive phase is composed of one or two or three of micron silver powder, nanometer silver powder and RuO2 powder; glass powder is composed of silicon oxide, zinc oxide, bismuth oxide, boron oxide, aluminum oxide and pentoxide The organic phase is composed of diethylene glycol butyl ether, diethylene glycol butyl ether acetate, dibutyl phthalate, tributyl citrate and ethyl cellulose; the resistance paste contains lead content It is 0 and the thermal properties have a high degree of matching with the aluminum silicon carbide substrate and the dielectric layer. The resistance layer formed by sintering can not be peeled or bubbled, and the bonding force with the dielectric layer is extremely strong. The preparation method includes: preparing glass powder, preparing organic phase, preparing resistance paste, screen printing and sintering a dielectric layer, screen printing and sintering a resistance layer, measuring square resistance and reburning change rate.
4) Preparation of a low-temperature co-fired ceramic powder paste for preparing LED substrates, including the following steps: (1) mixing calcium carbonate, silicon dioxide, boric acid, and zinc oxide, mixing uniformly, melting and quenching to obtain glass fragments, Drying, crushing and sieving the glass fragments to obtain glass powder; (2) mixing the glass powder and alumina powder, adding deionized water to ball milling, and sieving and drying the ball-milled slurry to obtain Low temperature co-fired ceramic powder; (3) after fully mixing terpineol, castor oil, diethylene glycol butyl ether and diethylene glycol butyl ether acetate, adding polyvinyl butyral to dissolve to obtain a mixed organic carrier, The mixed organic carrier and the low-temperature co-fired ceramic powder are mixed and ground to obtain a low-temperature co-fired ceramic powder paste. The low-temperature co-fired ceramic powder paste prepared by the invention can be formed into various shapes on the LED alumina substrate printed with the silver circuit through the dispensing process according to the design scheme, which brings great convenience and flexibility to the design of the LED light source.

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. 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.

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