Phosphorous Acid

Phosphorous Acid

Phosphorous acid is a diprotic phosphorus oxoacid that exists as two tautomers in solution, with the major one being HP(O)(OH)2 and the minor one being P(OH)3. Its applications include use in basic lead phosphite production and controlling plant diseases.
Extra Pure (3)
≥98% (1)
97% (2)
98% (3)
1kg (1)
250g (1)
2kg (2)
500g (2)
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Phosphorous acid, 97% 
Merck Index: 14,7346. MDL Number: MFCD00137258. Molecular Formula: H3PO3. Sensitivity: Air sensitive; Hygroscopic.
Phosphorous acid, 98%, extra pure 
Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol Health Hazard 1: Danger. Physical Form: Crystals. Linear Formula: H3PO3.
Phosphorous acid, 98+% 
Merck Index: 14,7346. MDL Number: MFCD00137258. Molecular Formula: H3PO3. Percent Purity: ≥98%.