Sodium Naphthalene Formaldehyde

• Category :

  Other Chemicals

• Synonyms :

  Dispersing Agent NNO;sodium naphthalene-2-sulfonate formaldehyde (1:1:1);disodium 5-[(7-sulfonatonaphthalen-1-yl)methyl]naphthalene-2-sulfonate;Sodium methylenedinaphthalene disulphonate;Diffusing agent NNO;Sodium polynaphthalene sulfonate;SNF Sodium Naphthalene Sulfonate Formaldehyde Concrete Agent;

• CAS NO :

  36290-04-7

• EC NO :

• Molecular Formula :

  C₂₁H₁₄Na₂O₆S₂

• Molecular Weight :

  472.4418

• Main Specifications :

• InChI :

  InChI=1/C21H16O6S2.2Na/c22-28(23,24)18-9-10-20-15(4-2-6-17(20)12-18)11-16-5-1-3-14-7-8-19(13-21(14)16)29(25,26)27;;/h1-10,12-13H,11H2,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2

• Product description :

  Product Description:1.Sodium Salt of Polynaphthalene Sulfonic Acid
  2.Sodium Naphthalene Formaldehyde(snf)
  3.Min order:16mts
  4.iso9001-2008
  
  
  Sodium Naphthalene Formaldehyde (SNF/NSF/PNS-Superplasticizer for Concrete)
  
  Basic information:
  1) Chemical name:Sodium Salt of Polynaphthalene Sulfonic Acid
  2) CAS number:36290-04-7
  3) Standard:GB 8076-1997
  4) Molecular weight:480.44
  
  Specification:
  Appearance:Light brown powder
  Solid content:92.0% min
  Sodium sulphate:5%/10%/18% max
  Chloride content:0.3% max
  pH value:7-8
  Fineness:5.0% max
  Surface tension:68-72mn/m
  Density:1.003G/cm3
  Cement flowing rate:240mm min
  Concrete reducing water rate:20% min
  Steel-bar corrosion:None
  
  Application:
  
  
  Mainly used for formulating concrete superplasticizer, high high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slip forming concrete etc, as a water reducing agent.
  
  Storage
  Keep in shaded,cool and dry place,Shelf life is two years.

• Molecular Structure :