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    1, 2-Dichlorobutane
 
3, 4-Dimethylfuran-2, 5-Dione
    Speciality Chemicals
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
 
Products
 
     
  Atenolol IP  
 
  Description White to off white crystalline powder
 

Identification
By HPLC
By IR

Retention time should match with StandardShould comply with Standard
  Solubility Insoluble in water
 

Water content (% w/w, by KF) Use 200 mg in Methanol as medium)

NMT 1.0%
 

Related Substances (% w/w, on as is basis) (By HPLC)

Complies
  Loss on Drying

NMT 0.5%

  Assay  (By HPLC)

NLT 98.0% and NMT 101.0%

  Purity NLT 99.0%
   
Atenolol BP  
  Description White to off white crystalline powder
 

Identification
By HPLC
By IR

Retention time should match with Standard Should comply with Standard

  Solubility Insoluble in water
 

Water content (% w/w, by KF) Use 200 mg in Methanol as medium)

NMT 1.0%
 

Related Substances (% w/w, on as is basis) (By HPLC)

Complies
  Loss on Drying

NMT 0.5%

  Assay  (By HPLC)

NLT 98.0% and NMT 101.0%

  Purity NLT 99.0%
   
Propranolol HCl BP  
  Description White to almost white powder
 

Identification
By TLC
By IR

Retention time should match with Standard Should comply with Standard

  Solubility

Soluble in water and ethanol (95.0%) Slightly Soluble in Chloroform Insoluble in Ether

 

Water content (% w/w, by KF) Use 200 mg in Methanol as medium)

NMT 1.0%
 

Loss on Drying

NMT 0.5%
 

Related Substances (% w/w, on as is basis) (By HPLC)
Impurity 1
Impurity 2


NMT
NMT

 

Assay  (By Titration)
Assay  (By HPLC)

NLT 99.0 % and NMT 101.0%
NLT 99.0 % and NMT 101.0%

  Purity NLT 99.0%
  Tapped density Value (to report result)
 

Sulphated Ash

NMT 0.1 %
  Melting Point (By Instrument) 163 – 166°C
  pH (1.0% w/v solution) 5.0 – 6.0
  Specific Optical Rotation NLT – 1.0 and NMT +1.0
   
Propranolol HCl IP  
  Description White to almost white powder
 
Identification
By TLC
By IR

Retention time should match with Standard Should comply with Standard

  Solubility

Soluble in water and ethanol (95.0%) Slightly Soluble in Chloroform Insoluble in Ether

 

Water content (% w/w, by KF) Use 200 mg in Methanol as medium)

NMT 1.0%
 

Loss on Drying

NMT 0.5%
 

Related Substances (% w/w, on as is basis) (By HPLC)
Impurity 1
Impurity 2


NMT
NMT

 

Assay  (By Titration)
Assay  (By HPLC)

NLT 99.0 % and NMT 101.0%
NLT 99.0 % and NMT 101.0%

  Purity NLT 99.0%
  Tapped density Value (to report result)
 

Sulphated Ash

NMT 0.1 %
  Melting Point (By Instrument) 163 – 166°C
  pH (1.0% w/v solution) 5.0 – 6.0
  Specific Optical Rotation NLT – 1.0 and NMT +1.0
   
Bronopol BP  
 
Description

White to slightly yellow crystals or crystalline powder

 

Identification
By HPLC
By IR

Retention time should match with StandardShould comply with Standard

  Solubility

Soluble in water

 

Water content (% w/w, by KF)
Use 200 mg in Methanol as medium

NMT 0.5%
 
Crystallinity

Particles should not show birefringence or exhibit extinction position

  Assay  (By Titration) NLT 99.0% w/w
  Purity

NLT 99.0%

  Heavy metals

NMT 20 ppm

  Melting Point (By Instrument)

130 – 133°C

3,4-Dimethylfuran-2,5-dione
  Product Name

2,3-Dimethylmaleic anhydride, 98%

  Product Number

SSC05

  CAS Number

766-39-2

  Molecular Weight

126.11

  Appearance (Color)

White to Off-White

  Appearance (Form) Crystalline Powder or Crystalline Solid
  Melting point

93-96 °C

  Purity (GC) 98 %
   
 
 
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