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Phosphorous acid, 98+%

Codice prodotto. 11413494
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Codice prodotto. 11413494 Fornitore Thermo Scientific Alfa Aesar N. del fornitore A11189.30
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Descrizione

CAS: 13598-36-2 | H3PO3

Phosphorus acid is used as an intermediate in the preparation of other phosphorus compounds like potassium phosphite, ammonium phosphite and calcium phosphite. It is actively involved in the preparation of phosphites like aminotris(methylenephosphonic acid) (ATMP), 1-hydroxyethane 1,1-diphosphonic acid (HEDP) and 2-phosphonobutane-1,2,4-tricarboxylic Acid (PBTC), which find application in water treatment as a scale or corrosive inhibitor. It is also used in chemical reactions as a reducing agent. Its salt, lead phosphite is used as PVC stabilizer. It is also used as precursor in the preparation of phosphine as well as an intermediate in the preparation of other phosphorus compounds.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Phosphorus acid is used as an intermediate in the preparation of other phosphorus compounds like potassium phosphite, ammonium phosphite and calcium phosphite. It is actively involved in the preparation of phosphites like aminotris(methylenephosphonic acid) (ATMP), 1-hydroxyethane 1,1-diphosphonic acid (HEDP) and 2-phosphonobutane-1,2,4-tricarboxylic Acid (PBTC), which find application in water treatment as a scale or corrosive inhibitor. It is also used in chemical reactions as a reducing agent. Its salt, lead phosphite is used as PVC stabilizer. It is also used as precursor in the preparation of phosphine as well as an intermediate in the preparation of other phosphorus compounds.

Solubility
Soluble in water and alcohol.

Notes
Air sensitive. Hygroscopic. Incompatible with strong bases, oxidizing agents and metals.
TRUSTED_SUSTAINABILITY

Identificatori chimici

CAS 13598-36-2
Molecular Formula H3PO3
MDL Number MFCD00137258
Synonym Phosphonic acid

Specifica

Melting Point 74°C
Boiling Point 200°C (decomposition)
Density 1.651
Odor Odorless
Sensitivity Hygroscopic
Quantity 250 g
UN Number UN2834
Merck Index 14,7346
Solubility Information Soluble in water and alcohol.
Formula Weight 82
Percent Purity ≥98%
Chemical Name or Material Phosphorous acid
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Sicurezza e movimentazione

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Identificativo prodotto
  • Phosphorous acid
 Avvertenza
  • Danger
 Categoria di pericolo
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 1
  • Substances and mixtures corrosive to metals Category 1
  • Skin corrosion/irritation Category 1 B
 Indicazioni di pericolo
  • H290-May be corrosive to metals.
  • H302-Harmful if swallowed.
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
 Consigli di prudenza
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Informazioni supplementari
  • MIXTURE LIST-Contain: Phosphonic acid
SDS

RUO – Research Use Only

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