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

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

Catalog No. p-7025456
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AAB2093222 100 g
AAB2093236 500 g
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Catalog No. AAB2093222 Supplier Thermo Scientific Chemicals Supplier No. B2093222
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Description

CAS: 37267-86-0 | HO3P | 79.979 g/mol

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 Formula HO3P
Molecular Weight (g/mol) 79.979
MDL Number MFCD00011351
InChI Key UEZVMMHDMIWARA-UHFFFAOYSA-N
Synonym metaphosphoric acid, meta-phosphoric acid, hydrogenphosphonate, m-phosphoric acid, phosphenic acid, unii-mtk99r3uv0, metaphosphoric acid hpo3, x-phosphate-group, phosphonate 1-, hydrogen phosphonate
PubChem CID 3084658
SMILES OP(=O)=O

Specifications

Density 2.2
Sensitivity Hygroscopic
Quantity 100 g
UN Number UN3260
Merck Index 14,7345
Solubility Information Soluble in alcohol.
Formula Weight 79.98
Percent Purity 39 to 43%
Assay bal. NaPO3 (Stabilizer)
Chemical Name or Material Metaphosphoric acid

Safety and Handling

Hazard Category H314-H335
Hazard Statement GHS H Statement
H314-H335
Causes severe skin burns and eye damage.
May cause respiratory irritation.
Precautionary Statement P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.
EINECSNumber 253-433-4
TSCA Yes
Recommended Storage Ambient temperatures; Store under Nitrogen

RUO – Research Use Only