Chemical Nature Citric acid and acetic acid ester of c4 alcohol
Chemical Name         :-  2-acetyl-1,2,3-Propane tri carboxylic acid Tributyl 
Ester
Trade Name    :-  ATBC
Molecular Formula     :-   C20H34O8
Molecular Weight       :-  402.5
                        H2C -  CO2C4H9
            C2H5CO2 - C - CO2C4H9
                        H2C - CO2C4H9
CAS Number     :- 77-90-7
UN. NO              :- 
EINECS NO      :-  201-070-7

Specification                   

Characteristics  Unit        Test Method                       Value
Colour                  HU         ASTM-D-1045-86              40 max.
Refractive Index (27°C)    ASTM-D-1045-86              1.441 ± 0.003.
Volatile Loss      ( 130°C/3Hrs) wt.%                           0.30 max.
Ester Value          mg KOH/g ASTM-D-1045-86          559 ± 3.
Acidity                   wt.%        ASTM-D-1045-86              0.02 max.
Moisture               wt..%       ASTM-E-203                      0.25 max.
Specific Gravity    (27°C)    ASTM-D-1045-86             1.050 ± 0.005.
Ester content       wt..%       ASTM-D-1045-86             99.00 min.
Heat Stability       (150°C/2Hrs) HU ISI-9591-96        50 hu max.
Acidity after heat treatment % ASTM-D-1045-86        0.03.
Plasticizing Esters by GC % by area                            99.00 min.
Residual alcohol % by area                                           0.10 max.
Boiling Point        @ 1.33 mbar °C lit.                           173.
Pour point            °C lit.                                                     59.
Viscosity                at 20°C cp                                          34 ± 1. 
Flash Point           (COC) °C                                            204.

 Properties 

ATBC is almost colourless and odourless oily liquid, free of foreign materials 
which is in soluble in water but soluble in alcohols and organic solvents and is 
miscible  and  compatible  with  all  the  monomeric  plasticizers  of  PVC 
compounding.

Application

1.  Main plasticizer of polyvinyl chloride for food packing and medical products.
2.  Main plasticizer of vinyl chloride - vinyldene chloride copolymer for food-
packing and precise instrument packing.
3.  Plasticizer of vinyl chloride - acetate copolymer.
4.  Plasticizer of sustained-release pharmaceutical tablets.
5.  Plasticizer of latex adhesives.
6.  Lubricating oil for surface treatment of tinplate.
7.  In manufacturing of toys and safety glasses.

Packing & Storage

ATBC is packed in 200/225 Kg iron drum/HDPE drum, 20-22 in Flexi tank/ISO tank
/road tanker. It is stored in tightly closed container, in a cool, dry & ventilated area.

Shelf Life

It keeps the original characteristics minimum for 24 month, if kept in recommended 
storage.