Phosphorous acid 98.5%min

Phosphorous acid 98.5%min white crystal Use in synthesis of phosphite salt,plastic stabilizer,pesticide etc.  

PRODUCT: Phosphorous Acid

Identification

Synonyms:

Orthophosphorous acid; phosphonic acid

De: Phosphonsäure

ES: Ácido fosfónico

Fr:Acide phosphonique

CAS No.: 13598-36-2

EC No.: 233-663-1

Molecular Weight:  81.996

Molecular Formula: H3PO3

Structural Formula:

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.

Specification*

 

Parameters	Specification
	Grade I	Grade II	Grade III	70% Solution
Phosphorous acid Purity	99.0% min.	98.5%	98.5% min.	70% min.
Chloride (Cl-)	5ppm max.	20ppm max.	0.01% max.	5ppm max.
Iron (Fe)	5ppm max.	30ppm max.	50 ppm max.	5ppm max.
Sulfate (SO42-)	5ppm max.	20ppm max.	60 ppm max.	5ppm max.
Phosphate (PO43-)	0.1% max.	0.2% max.	0.3% max.	0.1% max.
Test of 70% water solution	colorless	colorless	-	-
Odor	odorless	odorless	characteristic	odorless
Appearance	white crystals	white crystals	white crystals	clear colorless liquid

 

Standard Packing

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

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

3)  Iron drum or Plastic drum

4)  For 70% solution, packing is 25kg/plastic pail, 250kg/plastic drum or 1300kg/IBC

Risks and Safety Info

 

Class 8; UN2834; PG III

R 22 Harmful if swallowed.

R 35 Causes severe burns.

S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection.

S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Phosphorous acid 98.5%min