DIETHYLENE GLYCOL DIBENZOATE

PRODUCT IDENTIFICATION
CAS NO. 120-55-8

DIETHYLENE GLYCOL DIBENZOATE
EINECS NO. 204-407-6
FORMULA C18H18O5
MOL WT. 314.34
H.S. CODE  

TOXICITY

  
SYNONYMS 2,2'-Oxybis-, dibenzoate Ethanol;
2,2'-Oxydiethylene dibenzoate; Oxydiethylendibenzoat (Dutch); Dibenzoato de oxidietileno (Spanish), Dibenzoate d'oxydiéthylène (French);
SMILES

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE Clear viscous liquid
MELTING POINT 28 C
BOILING POINT 235 - 237 C at 7 mm Hg
SPECIFIC GRAVITY 1.175 - 1.180
SOLUBILITY IN WATER  

SOLVENT SOLUBILITY

 Slightly soluble
pH

 
VAPOR DENSITY  
HENRY'S LAW

 
NFPA RATINGS Health: 1 Flammability: 0 Reactivity: 0

REFRACTIVE INDEX

1.5424
FLASH POINT 199 C
STABILITY Stable under ordinary conditions

GENERAL DESCRIPTION AND APPLICATIONS
Diethylene glycol dibenzoate, a glycol benzoate ester, is a clear  liquid with chemically stable properties and high boiling point. It is slightly soluble in water and very soluble in polymers. It is used as a has an excellent compatibility with polyvinyl acetates and polyvinyl chloride. It is used as a plasticizer for PVA homopolymer and copolymer emulsions and  as well as for PVC coatings, food packing adhesives and paints. It can be used as a softener in the field of cosmetics.
SALES SPECIFICATION

APPEARANCE

 Clear to yellow liquid

ESTER CONTENT

98.0% min
ACIDITY 0.1% max
SPECIFIC GRAVITY 1.135 - 1.139

MOISTURE

0.1% max

HYDROXYL NUMBER

15 max (mg KOH/g)

COLOR, APHA

100 max
TRANSPORTATION
PACKING 220 kgs in drum
HAZARD CLASS Not regulated
UN NO.  

GENERAL DESCRIPTION OF BENZOIC ACID
Benzoic acid, the simplest aromatic carboxylic acid containing carboxyl group bonded directly to benzene ring, is a white, crystalline organic compound; melting at 122 C (starting sublime at 100 C);  boiling at 249 C; slightly soluble in water, soluble in ethanol, very slightly soluble in benzene and acetone. Its aqua solution is weakly acidic. It occurs naturally in many plants  and resins. Benzoic acid is also detected in animals. The most of commercial benzoic acid is produced by the reaction of toluene with oxygen at temperatures around 200 C in the liquid phase and in the presence of cobalt and manganese salts as catalysts. It can be prepared also by the oxidation of benzene with concentrated sulphuric acid or carbon dioxide in the presence of catalysts. Other methods are such as by the oxidation of benzyl alcohol, benzaldehyde, cinnamic acid; by hydrolysis of benzonitrile, benzoyl chloride. More than 90% of commercial benzoic acid is converted directly to phenol and caprolactam. Its use in the production of glycol benzoates for the application of plasticizer in adhesive formulations is increasing. It is also used in the manufacture of alkyd resins and drilling mud additive for crude oil recovery applications. It is used as a rubber polymerization activators and retardants. Benzoic acid is converted to its salts and esters for the use of preservative application in foods, drugs and personal products. Sodium benzoate, sodium salt of benzoic acid, is used preferably as one of the principal anti-microbial preservatives used in foods and beverages (but it's concentration is limited usually not exceeding 0.1% because it is poisonous), as it is about 200 times more soluble than benzoic acid. Sodium Benzoate is also used in medications, anti-fermentation additives and tabletting lubricant for pharmaceuticals. The industrial applications are as a corrosion inhibitor, as an additive to automotive engine antifreeze coolants and in other waterborne systems, as a nucleating agents for polyolefin, as a dye intermediate, as a stabilizer in photographic processing and as a catalyst. Wide range of benzoic esters are used as solvents, dying carrier, disinfectant additive, penetrating agent and pesticides and manufacturing other compounds.