Metaphosphoric acid, 39-43%, bal. NaPO{3} (Stabilizer), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11409986	Thermo Scientific Alfa Aesar B20932.22	100 g
11419986	Thermo Scientific Alfa Aesar B20932.36	500 g

Description

Metaphosphoric acid is used as a dehydrating agent. Its derivative, sodium hexametaphosphate is used as a sequestrant and a food additive. It is also used as a phosphorylating agent, analytical reagent and in dental cements.

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
Metaphosphoric acid is used as a dehydrating agent. Its derivative, sodium hexametaphosphate is used as a sequestrant and a food additive. It is also used as a phosphorylating agent, analytical reagent and in dental cements.

Solubility
Soluble in alcohol.

Notes
Form: Lumps.Hygroscopic. Moisture sensitive. Incompatible with strong bases, nitromethane and metals.

Chemical Identifiers

• CAS: 37267-86-0
• Molecular Weight (g/mol): 79.979
• InChI Key: UEZVMMHDMIWARA-UHFFFAOYSA-N
• PubChem CID: 3084658

• Molecular Formula: HO3P
• MDL Number: MFCD00011351
• Synonym: metaphosphoric acid, meta-phosphoric acid, hydrogenphosphonate, m-phosphoric acid, phosphenic acid, unii-mtk99r3uv0, metaphosphoric acid hpo3, x-phosphate-group, phosphonate 1-, hydrogen phosphonate
• SMILES: OP(=O)=O

Specifications

• CAS: 37267-86-0
• Sensitivity: Hygroscopic
• MDL Number: MFCD00011351
• Merck Index: 14,7345
• Solubility Information: Soluble in alcohol.
• SMILES: OP(=O)=O
• PubChem CID: 3084658
• Percent Purity: 39 to 43%
• Chemical Name or Material: Metaphosphoric acid

• Density: 2.2
• Molecular Formula: HO3P
• UN Number: UN3260
• Synonym: metaphosphoric acid, meta-phosphoric acid, hydrogenphosphonate, m-phosphoric acid, phosphenic acid, unii-mtk99r3uv0, metaphosphoric acid hpo3, x-phosphate-group, phosphonate 1-, hydrogen phosphonate
• InChI Key: UEZVMMHDMIWARA-UHFFFAOYSA-N
• Molecular Weight (g/mol): 79.979
• Formula Weight: 79.98
• Assay: bal. NaPO₃ (Stabilizer)

Safety and Handling

GHS H Statement
H314-H335
Causes severe skin burns and eye damage.
May cause respiratory irritation.

P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

H314-H335

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missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

RUO – Research Use Only