Metaphosphoric acid

ChemicalBook > CAS DataBase List > Metaphosphoric acid

Physical Properties Preparation

Product Name: Metaphosphoric acid
CAS No.: 37267-86-0
Chemical Name: Metaphosphoric acid
Synonyms: metaphosphoric;M-PHOSPHORIC ACID;Metaphosphoricaci;M-PhosphoricAcidGr;METAPHOSPHORIC ACID;PHOSPHORIC ACID, META;stabilized with NaPO3;Metaphosphoricacid,ACS;meta-PHOSPHORIC ACID AR;METAPHOSPHORIC ACID LUMPS
CBNumber: CB2853567
Molecular Formula: HO3P
Formula Weight: 79.98
MOL File: 37267-86-0.mol

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Metaphosphoric acid Property

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)

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Safety

Hazard Codes: C
Risk Statements: 34-35-22-37
Safety Statements: 26-36/37/39-45
RIDADR: UN 3260 8/PG 3
WGK Germany: 3
F: 3
TSCA: Yes
HazardClass: 8
PackingGroup: III
HS Code: 28092019

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 239275
Product name: meta-Phosphoric acid
Purity: ACS reagent, chips, 33.5-36.5%
Packaging: 5g
Price: $59.9
Updated: 2024/03/01

Sigma-Aldrich

Product number: 239275
Product name: meta-Phosphoric acid
Purity: ACS reagent, chips, 33.5-36.5%
Packaging: 2.5kg
Price: $2150
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.00546
Product name: meta-Phosphoric acid
Purity: pieces for analysis (stabilized with sodium metaphosphate) EMSURE?
Packaging: 100g
Price: $200
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.00546
Product name: meta-Phosphoric acid
Purity: pieces for analysis (stabilized with sodium metaphosphate) EMSURE?
Packaging: 500g
Price: $473
Updated: 2024/03/01

Alfa Aesar

Product number: 033267
Product name: Metaphosphoric acid, ACS, 33.5-36.5%, bal. NaPO<sub>3</sub> (Stablizer)
Packaging: 10g
Price: $38.65
Updated: 2024/03/01

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Metaphosphoric acid Chemical Properties,Usage,Production

Physical Properties

Glass-like colorless solid; soft and transparent; deliquesces; sublimes at red heat; dissolves slowly in cold water, decomposing to phosphoric acid; soluble in alcohol.

Preparation

Metaphosphoric acid is obtained as a polymeric glassy solid by prolonged heating of phosphoric acid. Either phosphoric acid, H3PO4, or pyrophosphoric acid, H4P2O7, when heated above 300°C, on cooling yields the transparent glassy mass of composition (HPO3)n.
Metaphosphoric acid also is obtained from partial hydration of phosphorus pentoxide by dissolving it in cold water.

Uses

An inorganic reagent used for research purposes

Uses

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.

Uses

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

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.

Metaphosphoric acid Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Metaphosphoric acid manufacturers

Career Henan Chemical Co

Product: Metaphosphoric acid 37267-86-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 25kg
Release date: 2019-07-11

37267-86-0, Metaphosphoric acidRelated Search:

BARIUM METAPHOSPHATE Aluminum metaphosphate metaphosphoric acid potassium salt,Metaphosphoric acid (HPO3), potassium salt Magnesium titanium oxide LITHIUM METABORATE SODIUM METASILICATE PENTAHYDRATE AMMONIUM (META)TUNGSTATE HYDRATE Sodium metavanadate LITHIUM METAPHOSPHATE Sodium polyphosphate sodium hexametaphosphate Hexamethylphosphoramide Sodium tripolyphosphate Metaphosphoric acid sodium salt metaphosphoric acid trisodium salt Phosphorus oxychloride Sodium Tetrametaphosphate Metaphosphoric acid, calcium salt,metaphosphoric acid (hpo3), calcium salt,Metaphosphoric acid,calcium salt

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37267-86-0

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General Use

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