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Tributyl citrate

Tributyl citrate Suppliers list
Company Name: Shenzhen Sendi Biotechnology Co.Ltd.
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Products Intro: Product Name:Tributyl citrate
CAS:77-94-1
Purity:99% Package:11/KG
Company Name: Wuhan Sinocon New chemical Materials Co.,ltd.  Gold
Tel:027-83229541
Email:chenrongguo@yahoo.com.cn
Products Intro:Product Name:Tributyl Citrate(TBC);ATBC
CAS:77-94-1
Purity:99% Package:200KG
Company Name: J & K SCIENTIFIC LTD.  
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Products Intro:Product Name:Tributyl citrate
CAS:77-94-1
Purity:99% Package:1000g,250g,50g
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel:+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
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Products Intro:Product Name:Tributyl citrate
CAS:77-94-1
Purity:98% Package:100Ml;250Ml Remarks:B64368
Company Name: 3B Pharmachem (Wuhan) International Co.,Ltd.  
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Products Intro:Product Name:Tri-n-butyl citrate
CAS:77-94-1
Purity:98% HPLC Package:1g、5g、10g、50g、100g
Tributyl citrate Basic information
Outline New non-toxic plasticizer Chemical properties Uses
Product Name:Tributyl citrate
Synonyms:N-BUTYLCITRATE;TRIBUTYL CITRATE;TRI-N-BUTYL CITRATE;TRIPHENYLBENZYLPHOSPHONIUM CHLORIDE;1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester;1,2,3-Propanetricarboxylicacid,2-hydroxy-,tributylester;2,3-propanetricarboxylicacid,2-hydroxy-tributylester;2-Hydroxy-1,2,3-propanetricarboxylic acid, tributyl ester
CAS:77-94-1
MF:C18H32O7
MW:360.44
EINECS:201-071-2
Product Categories:Functional Materials;Hydroxycarboxylic Acid Esters (Plasticizer);Plasticizer;Amino ester;fine chemicals
Mol File:77-94-1.mol
Tributyl citrate Structure
Tributyl citrate Chemical Properties
Melting point ≥300 °C(lit.)
Boiling point 234 °C (17 mmHg)
density 1.043 g/mL at 20 °C(lit.)
refractive index n20/D 1.445
Fp 300 °C
storage temp. Store below +30°C.
form Liquid
color Clear
Water Solubility insoluble
Merck 14,1564
BRN 1806072
CAS DataBase Reference77-94-1(CAS DataBase Reference)
NIST Chemistry ReferenceButyl citrate(77-94-1)
EPA Substance Registry System1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester(77-94-1)
Safety Information
Hazard Codes T
Risk Statements 25
Safety Statements 26-36/37/39-45-24/25
RIDADR UN 2811 6.1/PG 2
WGK Germany 3
RTECS TZ8608000
TSCA Yes
HS Code 29181500
MSDS Information
ProviderLanguage
Tri-n-butyl citrate English
ACROS English
SigmaAldrich English
ALFA English
Tributyl citrate Usage And Synthesis
OutlineTributyl citrate (TBC) is a good environmental plasticizers, lubricants. At room temperature, it is non-toxic, it has fruit flavor, it is colorless oily liquid. Boiling point is 170℃ (133.3Pa), flash point (open cup) is 185℃. It is soluble in most organic solvents. Volatile is small, it has good compatibility with the resin, it has high efficiency in plastification, in Europe and other countries it is allowed for food packaging and medical products, as well as children's soft toys, pharmaceuticals, medical products, flavors and fragrances, cosmetics manufacturing and other industries.Products can be given a good cold resistance, water resistance and mildew resistance. The product which is resin plasticized can exhibit good transparency and low temperature flexural properties, and has low volatility and low extraction resistance in different media, thermal stability, it does not change color when be heat. The product which prepared by lubricating oil can have good lubricating properties.
New non-toxic plasticizerThe most commonly used plasticizer is phthalate esters industrially, because it can induce cancer, the use in foreign countries has been controlled strictly , China has also formulated relevant laws and regulations, and will phase out its use in food packaging materials, medical appliances toys . Tributyl citrate (TBC) is a new non-toxic plasticizer, because it has good compatibility, high plasticizing efficiency, non-toxic and less volatile, weather resistance and other characteristics of broad interest, it is used as the preferred alternative green products in place of phthalic dimethyl esters. With the growing awareness of environmental protection and improvement of environmental regulations, the development and production of tributyl citrate has excellent prospects.
Tributyl citrate is usually caused with citric acid and n-butanol in the presence of catalyst by esterifying, the conventional catalyst is concentrated sulfuric acid, although its low price, high catalytic activity, it can cause serious corrosion for equipment, post-processing process is complex, the select of reaction is poor, environmental pollution is serious and other defects, and thus the work of seeking alternative catalysts in place of concentrated sulfuric acid is very active, some better catalytic effect of the catalyst has been found:
[Sodium bisulfate catalytic synthesis of tributyl citrate]
Monohydrate Sodium hydroxide is a strong ionic compounds, the study found that it is soluble in water, aqueous solution is strongly acidic but it is insoluble in organic acids and alcohols reaction system, it can be used as a catalyst for esterification, studies show that the catalyst has a high activity catalytic, good stability, high yield, easy separation, convenient synthesis method, no corrosion, no pollution and other advantages.
[Synthesis of solid superacid catalyst]
Superacid is an acid, which the strength is greater than 100% sulfuric acid. Studies have shown that using it as a catalyst for the esterification reaction has good selectivity, fast response, high yield, easy separation, ease of operation, and the catalyst is stable, reusable, non-corrosive, non-polluting, it is a kind of promising catalyst.
[Synthesis of p-toluenesulfonic acid catalysis]
Toluenesulfonic acid is a strong organic acid, it can be used to instead of concentrated sulfuric acid as the esterification catalyst, and the corrosion for equipment and waste pollution is much smaller than that of sulfuric acid, it is also high activity and selectivity, cheap, dosage less, good product color, it is fit catalyst for industrial production.
[Miscellaneous catalytic synthesis of tributyl citrate]
Heteropolyacid is a multi-proton acid, the stronger of acidity, the more conducive to the formation of salt, it provide more favorable conditions for other nucleophilic attack, thus it speeds up the rate of the esterification reaction. It is non-volatile, the thermal stability is well, it also cause less pollution and can reduce equipment corrosion, it is an ideal esterification catalyst.
The above information is edited by the chemicalbook of Wang Xiaodong.
Chemical propertiesIt is colorless, oily liquid, slightly scented. It is insoluble in water, soluble in methanol, acetone, carbon tetrachloride, acetic acid, castor oil, mineral oil, organic solvents.
UsesThis product is innocuous plasticizer, it can be used for granulation of non-toxic PVC, it can be used for packaging materials in food production, soft toys for children, medical products, the plasticizer for polyvinyl chloride, vinyl chloride copolymers, cellulose resin.
Chemical Propertiesclear liquid
Tributyl citrate Preparation Products And Raw materials
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