1.  Chemical Name:  Phosphorous Acid

2.  Synonyms: Orthophosphorous acid; Phosphonic acid

3.   CAS No.: 13598-36-2

4.   EC No.: 233-663-1

5.  Transportation Info:

Class 8;

UN2834;

PG III

6.   Molecular Weight: 81.996

7.   Molecular Formula: H3PO3

8.   Density: 1.6510

M. P.: 73.6° C

B. P.: 200° C (decomposing at 180° C)

9.   Application:

Phosphorous acid is used in synthesis of phosphite salts, plastic stabilizers, pesticides, water-treatment chemicals, phosphite fertilizers for fruits like citrus and orange, vegetables, economic crops etc., cosmetics additives.

Packing: 25kgs/PP woven bag with double PE inner bags, 20-25mt/20' FCL

• Specification:

  Appearance:  White Crystal

   

   

  Items	Super Class	First Class
  content (%) ≥	99.0	98.0
  Phosphate (%) ≤	0.1	0.2
  chloride (%) ≤	0.005	0.01
  Sulphate (%) ≤	0.0001	0.008
  Heavy metal (according to Pb %) ≤	0.0002	0.001
  Iron (%) ≤	0.001	0.002
  Water-solubility	colorless, pure	Excellent

Nanjing XiangShengTai Chemical Co., Ltd. is one of the leading importer and exporters in chemical line.Our products include Ortho-Toluenediamine,Meta-Toluenediamine, O-Dichlorobenzene, Phosphorous acid, 2,6-Toluendiamine ,Tetrahydrophthalic anhydride,especially in O-Dichlorobenzene which is used as slovent and chemical intermediate; Ortho-Toluenediamine, which are often used as raw material and polyether initiator in China; and Tetrahydrophthalic anhydride ,which is used as epoxy resin curing agent. Our team has been in these businesses for many years, during which fine chemical, polyether additives and waste water treatment, have grown up to a well-known professional chemical trading company in China.