ISEGEN
SOUTH AFRICA (PTY) LTD
TECHNICAL DATA SHEET
Registration No. 2002/015060/07
REVISION 1
Page 1 of 2
L-G13
PHTHALIC ANHYDRIDE
( EX ISIPINGO )
Chemical name
1,3 - isobenzofurandione
Chemical formula
C6H4(CO)2O
Molecular Mass
148.11
Appearance
White lustrous needles or flakes, free flowing, and free from dirt and
other impurities.
Properties
Purity
% m/m Phthalic Anhydride
99,5
(Min)
Colour of molten material
Hazen
50
(Max)
Colour Stability
200
(Max)
Solidification Point
Hazen Units, 90 mins
at 250°C
°C
Free Acidity
% m/m Phthalic Acid
0,5
Ash
% m/m
0,005 (Max)
Iron content
% m/m
0.0003 Max)
Oxidizable Matter
% m/m Maleic Anhydride
0,2
Solubility (water )
Slightly
soluble
(
620-640
mg/100g) at 20 °C (slowly
hydrolyses)
Solubility ( solvents )
Very
soluble
in
acetone,
tetrahydrofuran and pyridine ;
moderately soluble in ethyl
acetate, methyl ethyl ketone and
formic acid, slightly soluble in
ethanol ( reacts slowly), diethyl
ether, benzene, carbon disulfide,
carbon tetrachloride, cyclohexane
and xylene.
PREPARED BY
R. MAHADEW
DATE
AUGUST 2005
130.5 (Min)
(Max)
(Max)
APPROVED BY
ISEGEN
TECHNICAL DATA SHEET
SOUTH AFRICA (PTY) LTD
Registration No. 2002/015060/07
REVISION 1
Page 2 of 2
Properties
Boiling point
°C at 101.3 kPa
284.5 (sublimes)
Melting point
°C
130.5
Flash point ( cc)
°C
152
Vapour Pressure
kPa at 20 °C
2.66 x 10(-5)
mmHg @ 20 °C
2.0 x 10(-4)
5.10 ( air=1)
Vapour Density
Industrial Applications
Phthalic Anhydride is used as an intermediate in the manufacture of
plasticisors, phthalates, phthaleins, benzoic acid, paints, polyester resins,
dyes, pharmaceuticals
Handling and Storage
Phthalic Anhydride should be stored in a cool, dry place, and the containers
must be kept closed.
Precautions
In contact Phthalic Anhydride causes conjunctivitis , cornea damage,
nausea, headaches, pulmonary edema and dermatitis. Adequate
ventilation must be provided. Protective clothing, chemical goggles, gloves
and if necessary gas mask should be worn when handling the material.
Shelf Life
1 Year from date of production
Packaging
Bags (multiply paper bags)
Bulk bags
Bulk - molten
PREPARED BY
R. MAHADEW
DATE
AUGUST 2005
25 Kg ( 40 bags per pallet )
500 Kg
Road tankers
APPROVED BY