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