Metaphosphoric acid CAS 37267-86-0
Introduction：Basic information about Metaphosphoric acid CAS 37267-86-0, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Metaphosphoric acid Basic informationPhysical Properties Preparation
| Product Name: | Metaphosphoric acid |
| Synonyms: | METAPHOSPHORIC ACID, CHIP, REAGENTPLUS, 99.99%;META-PHOSPHORIC ACID ~65%, PIECES;METAPHOSPHORIC ACID, ACS REAGENT;METAPHOSPHORIC ACID, EXTRA PURE ( SOLID);Meta-PhosphoricAcidGr(GlacialSticks);M-PhosphoricAcidGr;Metaphosphoricacid,ACS;Metaphosphoric acid, stabilized |
| CAS: | 37267-86-0 |
| MF: | HO3P |
| MW: | 79.98 |
| EINECS: | 253-433-4 |
| Product Categories: | UVCBs-inorganic |
| Mol File: | 37267-86-0.mol |
Metaphosphoric acid Chemical Properties
| Melting point | 21°C |
| Boiling point | 158°C |
| bulk density | 1000kg/m3 |
| 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 |
| PH | 2 (20°C, 33g/L in H2O) |
| Water Solubility | Decomposes in water. Soluble in alcohol. |
| Sensitive | Hygroscopic |
| Merck | 14,7345 |
| Stability: | Stable. Incompatible with strong bases, most metals. |
| Cosmetics Ingredients Functions | CHELATING BUFFERING |
| Cosmetic Ingredient Review (CIR) | Metaphosphoric acid (37267-86-0) |
| InChI | 1S/HO3P/c1-4(2)3/h(H,1,2,3) |
| InChIKey | UEZVMMHDMIWARA-UHFFFAOYSA-N |
| SMILES | OP(=O)=O |
| CAS DataBase Reference | 37267-86-0(CAS DataBase Reference) |
| EPA Substance Registry System | Metaphosphoric acid (37267-86-0) |
Safety Information
| 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 | TSCA listed |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 28092019 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Eye Dam. 1 Skin Corr. 1B |
| 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 | In dentistry for making zinc oxyphosphate cement; as reagent in chemical analysis. |
| 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. |
| 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
