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

Catalog No. AAB2093236
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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

500 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

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
SDS

RUO – Research Use Only

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