Disodium3,3'-[[1,1'...

Disodium3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate)

Disodium3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate)

Min.Order / FOB Price:Get Latest Price

1 Kilogram

FOB Price: USD 1.0000

  • Min.Order :1 Kilogram
  • Purity: 99%
  • Payment Terms : L/C,T/T

Keywords

Disodium3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) Direct Red 28 CAS:573-58-0

Quick Details

  • Appearance:brownish red powder
  • Application:Used as pH-indicator, adsorption indicator and biological dye, etc.
  • PackAge: 25kgs/drum
  • ProductionCapacity:2000|Metric Ton|Year
  • Storage:Store in cool and dry place, away from sun light.
  • Transportation:By sea or by air

Superiority:

Chemical Name

Direct Red 28

Synonyms

C.I.22120;Disodium3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate)

CAS No.

573-58-0

Molecular formula

C32H22N6Na2O6S2

EINECS No.

209-358-4

Molecular weight

696.66

Details:

Appearance: brownish red powder

pH change range: 3.0(blue)~5.2(red)

Water Soluble Test: pass

Loss on drying: 5.0% max.

Sulfated ash(as SO4): 27% max.

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