mono-Methyl terephthalate

The Molecular Structure of Mono-Methyl terephthalate (CAS NO.1679-64-7):

Empirical Formula: C₉H₈O₄
Molecular Weight: 180.1574
Nominal Mass: 180 Da
Average Mass: 180.1574 Da
Monoisotopic Mass: 180.042259 Da 
Index of Refraction: 1.556
Molar Refractivity: 44.95 cm³
Molar Volume: 139.8 cm³
Surface Tension: 51.2 dyne/cm
Density: 1.288 g/cm³
Flash Point: 136 °C
Enthalpy of Vaporization: 60.62 kJ/mol
Boiling Point: 331.6 °C at 760 mmHg
Vapour Pressure: 6.13E-05 mmHg at 25°C 
IUPAC Name: 4-methoxycarbonylbenzoic acid     
Appearance: white to off-white powder  
Product Categories: Aromatic Esters;Phthalic Acids, Esters and Derivatives;Carboxylic Acids;Phenyls & Phenyl-Het;Heterocyclic Compounds;Carboxylic Acids;Phenyls & Phenyl-Het;C8 to C9;Carbonyl Compounds;Esters 
Synonyms: (4-Carboxyphenyl)-aceticaci ; 4-(Carbomethoxy)benzoicacid ; Hydrogen methyl terephthalate ; Hydrogenmethylterephthalate ; Mono-methylterephthlate ; P-carboxy-alpha-toluicacid ; Terephthaltcacidmonomethylaester    

 Mono-Methyl terephthalate (CAS NO.1679-64-7) is used as pharmaceutical intermediates, gasoline antiknock.

Acute toxicity
Quantitative data on the toxicity of mono-Methyl terephthalate are not available.
Further toxicological information
Hazardous properties cannot be excluded.
Further data
 Mono-Methyl terephthalate (CAS NO.1679-64-7) should be handled with the care usual when dealing with chemicals.

Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
S37/39: Wear suitable gloves and eye/face protection
WGK Germany: 3
HazardClass: IRRITANT
HS Code: 29173980

Assay of mono-Methyl terephthalate: 97%

Conditions to Avoid: Incompatible materials, dust generation.
Incompatibilities with Other Materials: Oxidizing agents.
Hazardous Decomposition Products: CARBON monoxide, CARBON dioxide.