DASD

• Category :

  Agrochemicals/Other pesticide

• Synonyms :

  2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid;4,4'-Diaminostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid);4,4'-Diamino-2,2'-stilbenedisulfonic acid;DSD Acid;4,4-Diaminodiphenylethylene-2,2-disulfonic acid;

• CAS NO :

  81-11-8

• EC NO :

  201-325-2

• Molecular Formula :

  C₁₄H₁₄N₂O₆S₂

• Molecular Weight :

  370.4008

• Main Specifications :

• InChI :

  InChI=1/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)

• Packing :

  clients requirement

• Product description :

  Chemical name:4,4’-Diaminostilbene-2,2’-disulfonic acid
  Structural formula:
  
  Chemical formula: C₁₄H₁₄N₂O₆S₂?????
  Molecular weight: 370.4
  CAS NO.:81-11-8
  Property:
  1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution.
  2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine
  Quality index:

  Item	Index
  (1)Appearance dry/wet	light yellow powder/light yellow cream
  (2)Dry product total amino value(gross dry sample)%	≥95.0
  (3)Degree of pigmentation(EOD)	≤0.12
  (4)Content of alkali insolubles (gross cream )%	≤0.08
  (5)Benzyl compound(gross sample)%	≤ 0.25
  (6)Ash content%	≤2.2

  Main use:In the manufacture of fluorescent brighteming agent、Chrysophenine G and Direct Yellow R, also as pesticides
  Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.

• Uses :

  raw material used in synthesis

• Molecular Structure :