2,3-TDA+3,4-TDA OTDA above 99%

   2,3-TDA+3,4-TDA OTDA above 99%

1. Chemical Name:  OTD, OTDA, Ortho Toluenediamine

2. Molecular formula: C7H10N2
3. Molecular Weight: 122

4. Total Toluidine(Ortho, Meta & Para) :0.3% (max)

5.  Normalized Isomer ration: 

     3,4-Toluenediamine: CAS:496-72-0         60%
     2,3-Toluenediamine: CAS:2687-25-4      40%
6.  UN NO.:  3077

7.  Properties: It is light grey solid and very unstable at normal temperature so that its color can change quickly. Ignition point: 62.78°C,flash point: 157.22°C,spontaneous: 540°C.It is soluble in water, benzene, chloroform, ethyl acetate and alcoho,etc. It has irritated feel to skin.

8. Quality index: Inspection Item 

  (1)  It is used as chemical intermediate in order to corrosion inhibitor tolyltriazole, antioxidant MMB etc.

  (2)  OTD as a polyether initiator made the polyether, The foam being made of this polyether have uniformity , meticulous properties, and no contraction. It can improve the foam's performance of heat insulation and it's the measurement of low-temperature performance. Besides, polyether which is made of OTD have better compatibility with cyclopentane.

  (3)  It can substitute for o-phenylenediamine,and can be used many other fields such as epoxy resin curing, inimer formed, cross-linked of polymer.

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