Name： Catechol
Brief：

Synonyms:1,2-Dihydroxybenzene;Pyrocatechol;1,2-Benzenediol

Description: Colorless to white crystalline solid with a phenolic odor and taste.
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    Information：

CAS:120-80-9

 src=/UploadFiles/UploadFiles/2009-7/image/2009615140148_log.JPG 南京东方之珠工贸有限公司             

 
 
 
 
 
 
IDENTIFICATION CAS N° : 120-80-9
SYNONYMS
1 ,2-DIHYDROXYBENZENE ORTHO DIHYDROXYBENZENE PYROCATECHOL
  
 
STRUCTURAL FORMULA
EMPIRICAL FORMULA                       C6H602
MOLECULAR WEIGHT                                         110.1
SPECIFICATIONS
Capillary melting point                                            103.7 °C minimum
Acidity (ml NaOH 0.1 N/100 g)                                50 maximum
Solution in acetic acid (1g ~ 20 ml)                          clear to slightly cloudy
Colour of solution in acetic acid (1 g ~ 20 ml)            1650 HAZEN maximum
Assay                                                                   98.5 % minimum
The analytical methods used are described in our current quality control standards.
Based on our rigorous process control and capabilities, some of these analyses can be performed on a statistical frequency. For the analyses performed on a statistical basis, the frequency is specified on the Certificate of Analyses.
APPLICATION Corrosion inhibitors
GENERAL CHARACTERISTICS
Specific to our product:            Appearance        flakes
Colour                 beige to brown
Odour                 slight
The product is non-hygroscopic

GENERAL CHARACTERISTICS Physical properties
Density at 15°C (product in form of crystalline mass)                       1371 kg /M3
Bulk density                                                                                     about 500 kg/m3
Flash point (closed cup)                                                                 127°C
Melting point                                                                                  104-105°C
Boiling point

under 760 mm Hg
under 100 mm Hg
Solubilities around 20 °C (Catechol
245.5 °C 176 °C
in g/1 00
Water at 20 °C
31.2
Water at 60 °C
80.8
Acetone at 20 °C
66
Ethanol at 20 °C
58.2
Chloroform at 20 °C
1.9
Carbon tetrachloride at 20 °C
0.1
Heat of fusion
49.5 cal/g
Heat of vaporisation at 245.5°C
138.2 cal/g
Heat of sublimation at 36°C
175.3 cal/g
 
under 5 mm Hg 104 °C

g of solution)                 Vapour pressure
 
 
at 104 °C             5 mm Hg
at 118.3 °C           10 mm Hg
at 134 °C             20 mm Hg
at 150.6 °C           40 mm Hg
at 161.7 °C           60 mm Hg
at 176 °C             100 mm Hg
at 197.7 °C           200 mm Hg
at 221.5 °C           400 mm Hg
at 245.5 °C           760 mm Hg
 
 
PACKAGING AND TRANSPORT
Packaging:
Paper sacks containing 25 kg net, delivered as 40 units stacked on wooden pallets and shrink wrapped in
polyethylene net weight 1000 kg.
Flexible containers weighing 1 000 kg net on wooden pallets shrink-wrapped in polyethylene.
N. B.: Bulk delivery in"molten" form (tank truck, rail, ISO tank) is possible on condition that customer’s tank
or tanker is in compliance with specific security regulations concerning off-loading and storage. Transportation:
INLAND (RID-ADR)                       ) Regulated, Please consult our
SEA FREIGHT (OMI)                     ) safety data sheet for
AIR FREIGHT (IATA)                     ) more further details.
STORAGE CONDITIONS
Store away from light and air as the product, even though stable, may discolour.
SAFETY INSTRUCTIONS
PLEASE CONSULT OUR MATERIAL SAFETY DATA SHEET.
 
 
 
 

 

 

 

 
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