Perrhenic acid
perrhenic acid
CAS: 13768-11-1
Molecular Formula: HO4Re
Perrhenic acid - Names and Identifiers
| Name | perrhenic acid |
| Synonyms | Perrheniumsure perrhenic acid PERRHENIC ACID PERRHENIC(VII)ACID hydroxy(trioxo)rhenium perrhenic acid solution |
| CAS | 13768-11-1 |
| EINECS | 237-380-4 |
| InChI | InChI=1/H2O.3O.Re/h1H2;;;;/q;;;;+1/p-1/rHO4Re/c1-5(2,3)4/h1H |
Perrhenic acid - Physico-chemical Properties
| Molecular Formula | HO4Re |
| Molar Mass | 251.21 |
| Density | 2.16g/mLat 25°C |
| Boling Point | 102℃[at 101 325 Pa] |
| Water Solubility | Soluble in water. |
| Appearance | Solution |
| Specific Gravity | 2.42 |
| Color | Clear colorless to pale yellow |
| Storage Condition | Room Temprature |
| MDL | MFCD00011326 |
| Physical and Chemical Properties | Perrhenic acid is usually colorless or yellow liquid, can also be solid, but easy to absorb water, its chemical stability, almost no oxidation, is a strong monoacid, with zinc, iron, the role of metals such as magnesium to release hydrogen, but also with a series of metal oxides, hydroxides and carbonates to form the corresponding perrhenate. |
Perrhenic acid - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3264 8/PG 2 |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 28111980 |
| Hazard Class | 8 |
| Packing Group | II |
Perrhenic acid - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Introduction | Perrhenic acid (perrhenic acid) is an inorganic compound with the chemical formula HReO4, which is a strong acid. Rhenium is a dilute metal, perrhenic acid and ammonium perrhenate are the most valuable rhenium compounds. |
| Uses | Perrhenic acid can be used to prepare high-purity metal perrhenates such as Co(ReO4)2, Ca(ReO4)2 and Zn(ReO4)2, etc. These perrhenates are mainly used as solid lubricants and lubricating oil additives. In addition, perrhenic acid, as the precursor of homogeneous catalyst, is mainly used in the production of catalysts used in petrochemical industry. |
| preparation method | electrodialysis method to prepare perrhenic acid has the advantages of simple process, small rhenium loss, low equipment investment, low reagent cost, high product quality, etc., making it the most promising method for preparing perrhenic acid. In the three-chamber electrodialysis tank, KReO4 is used as raw material to prepare perrhenic acid, platinum is used as anode and stainless steel is used as cathode. Under the best conditions, the utilization rate of rhenium is as high as 99.3%, which shows that the loss of rhenium is really small. However, the volume of the three-chamber electrodialysis tank is very small, only 750 mL, and the concentration of perrhenic acid is more than 300g/L after continuous operation for 25~26 h. |
Last Update：2024-04-09 15:16:47
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View History
Perrhenic acid
3-allyl-5-[4-(allyloxy)-3-bromo-5-methoxybenzylidene]-2,4-imidazolidinedione
BENZYL-ALPHA,ALPHA-D2 BROMIDE
1-(3-BROMO-BENZYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER
Olean-12-en-28-oic acid, 2,3,19,23,24-pentahydroxy-, β-D-galactopyranosyl ester, (2α,3β,19α)-
2-{[3-(3,4-dimethoxyphenyl)acryloyl]amino}-N,N,4-trimethyl-1,3-thiazole-5-carboxamide
AR-C239
(3S,6R,7S,8S,12Z,15S,16E)-1,3,15-TRIS-([TERT-BUTYL(DIMETHYL)SILYL]OXY)-7-HYDROXY-4,4,6,8,12,16-HEXAMETHYL-17-(2-METHYL-1,3-THIAZOL-4-YL)HEPTADECYL-12,16-DIEN-5-ONE
1067426-44-1
51838-02-9
3-allyl-5-[4-(allyloxy)-3-bromo-5-methoxybenzylidene]-2,4-imidazolidinedione
BENZYL-ALPHA,ALPHA-D2 BROMIDE
1-(3-BROMO-BENZYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER
Olean-12-en-28-oic acid, 2,3,19,23,24-pentahydroxy-, β-D-galactopyranosyl ester, (2α,3β,19α)-
2-{[3-(3,4-dimethoxyphenyl)acryloyl]amino}-N,N,4-trimethyl-1,3-thiazole-5-carboxamide
AR-C239
(3S,6R,7S,8S,12Z,15S,16E)-1,3,15-TRIS-([TERT-BUTYL(DIMETHYL)SILYL]OXY)-7-HYDROXY-4,4,6,8,12,16-HEXAMETHYL-17-(2-METHYL-1,3-THIAZOL-4-YL)HEPTADECYL-12,16-DIEN-5-ONE
1067426-44-1
51838-02-9