Products description

Phosphorous acid
Content: 99%
Fe: 5ppm max Phosphate:0.1% max
Chloride: 0.001% max
SO4:5ppm

PHOSPHOROUS ACID
Synonyms:
Orthophosphorous acid; Phosphonic acid

CAS No.: 13598-36-2
EC No.: 233-663-1
Molecular Weight: 81.996
Molecular Formula: H3PO3
Density: 1.6510
M. P.: 73.6° C
B. P.: 200° C (decomposing at 180° C)

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.



Standard Packing:

1) 25kgs/PP woven bag with double PE inner bags, 20-25mt/20' FCL

2) 500, 1000kgs/jumbo bag, 20mt/20' FCL

Risks and Safety Info

Class 8; UN2834; PG III

Specification:

Items


Super Class


First Class

content (%) ≥


99.0


98.0

Phosphate (%) ≤


0.1


0.2

chloride (%) ≤


0.001


0.01

Sulphate (%) ≤


0.0005


0.008

Iron (%) ≤


0.0005


0.001

Water-solubility


Colorless transparent


Colorless transparent

Specification

No

Packing details

No