Metaphosphoric acid

Synonym(s):Metaphosphoric acid;Metaphosphoric acid, m-Phosphoric acid

CAS NO.：37267-86-0
Empirical Formula: HO3P
Molecular Weight: 79.98
MDL number: MFCD00011351
EINECS: 253-433-4
SAFETY DATA SHEET (SDS)
Update Date: 2023-05-04 17:34:38

What is Metaphosphoric acid?

The Uses of Metaphosphoric acid

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 phosphorylating agent, analytical reagent and in dental cements.

The Uses of Metaphosphoric acid

An inorganic reagent used for research purposes

The Uses of Metaphosphoric acid

In dentistry for making zinc oxyphosphate cement; as reagent in chemical analysis.

What are the applications of Application

meta-Phosphoric acid is an inorganic reagent used for research purposes

Definition

ChEBI: Phosphonate(1-) is a monovalent inorganic anion obtained by deprotonation of one of the two OH groups in phosphonic acid. It is a phosphorus oxoanion and a monovalent inorganic anion. It is a conjugate base of a phosphonic acid. It is a conjugate acid of a phosphonate(2-).

General Description

meta-Phosphoric acid is a monobasic acid.

Properties of Metaphosphoric acid

Melting point:	21°C
Boiling point:	158°C
Density	2 g/cm3
vapor pressure	0.04 hPa at 20 °C
storage temp.	Store below +30°C.
solubility	Soluble in alcohol.
form	pieces
color	Glassy
Odor	Odorless
Water Solubility	Decomposes in water. Soluble in alcohol.
Sensitive	Hygroscopic
Merck	14,7345
Stability:	Stable. Incompatible with strong bases, most metals.
CAS DataBase Reference	37267-86-0(CAS DataBase Reference)
EPA Substance Registry System	Metaphosphoric acid (37267-86-0)

Safety information for Metaphosphoric acid

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05
GHS Hazard Statements	H314:Skin corrosion/irritation
Precautionary Statement Codes	P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/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. Continuerinsing.