Name | Platinum 2,4-pentanedionate |
Synonyms | Platinum 2,4-pentanedionate Platinum(II) acetylacetonate Platinum bis(acetylacetonate) PlatinuM(Ⅱ) 2,4-pentanedionate Platinum(Ⅱ) 2,4-pentanedionate Platinum(II) 2,4-pentanedionate Bis(2,4-pentanedionato-O,O')platinum 4-pentanedionato-o,o')-bis((sp-4-1)-platinu platinum(2+) bis[(2Z)-4-oxopent-2-en-2-olate] 2,4-Pentanedione platinum(II) derivative, Pt(acac)2 Acetylacetone Platinum(II) SaltPlatinum(II) Acetylacetonate Platinum(II) acetylacetonate,2,4-Pentanedione platinum(II) derivative, Pt(acac)2 |
CAS | 15170-57-7 |
EINECS | 239-223-5 |
InChI | InChI=1/2C5H8O2.Pt/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3- |
Molecular Formula | C10H14O4Pt |
Molar Mass | 393.29 |
Melting Point | 249-252°C(lit.) |
Boling Point | 187.6°C at 760 mmHg |
Flash Point | 170°C |
Water Solubility | insoluble |
Solubility | soluble in Acetone |
Vapor Presure | 0.174mmHg at 25°C |
Appearance | Bright yellow crystal |
Specific Gravity | 2.336 |
Color | Yellow to yellow-green |
BRN | 4136189 |
Storage Condition | Store below +30°C. |
Sensitive | Sensitive to air and easy to absorb moisture |
MDL | MFCD00000028 |
Physical and Chemical Properties | Light yellow crystalline powder, soluble in acetone, carbon tetrachloride, soluble in halogenated alkanes, slightly soluble in benzene, ethanol, insoluble in water. The melting point of 250-252 deg C, decomposition temperature of 265 deg C. |
Hazard Symbols | Xn - Harmful |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R63 - Possible risk of harm to the unborn child |
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. |
WGK Germany | 3 |
FLUKA BRAND F CODES | 10 |
TSCA | Yes |
HS Code | 3815 90 90 |
Toxicity | LD50 orally in Rabbit: > 500 mg/kg |
sublimation point | 170°C |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | (1) using Pt(acac)2 as precursor, coatings and films were prepared on Mo, Re, w, titanium cathode, silicon and other surfaces by chemical vapor deposition (CVD). (2) Heating Fe(CO)5 and Pt(acac)2 to prepare Fe/Pt alloy nanoparticles, which can be used for magnetic storage. (3) The catalytic electrode of electric vehicle fuel cell was prepared by Pt(acac)2 precursor CVD method. (4) Pt(acac)2 is used as precursor to prepare highly dispersed carrier catalysts such as PGMs/A12O3, PGMs/TiO2, PGMs/SiO2, which can be used as catalysts for homogeneous and heterogeneous hydrogenation, dehalogenation and other reactions. (5) Photomimetic carbosiloxane catalyst used as sensor. (6)I2 addition reaction catalyst. Precursors of nanomaterials. MOCVD precursor compound, homogeneous catalyst |
production method | 1. take 3.18g K2[PtCl4], dissolve with 24mL of hot water, add 9.5mL KOH aqueous solution (1g KOH/3mL of water), slightly heat, after the solution is yellow, add 6.3mL of acetylacetone. After several oscillations, heat to 50 ℃ to generate yellow precipitate, which takes about 1~1.5h to complete the precipitate. The temperature is maintained at 50°C during this period. After cooling, the crystals are separated, 3.1mL KOH solution and 3.1mL acetylacetone are added to the mother liquor, heated to 50 ℃ for 1h, and precipitated. Repeat this operation until there is no more precipitation. The resulting solid is combined, washed with water and dried at 90°C. The yield is about 35%. Recrystallization with benzene. 2. Dissolve 9g(0.09mol) acetylacetone in 40mL 2.5mol/L NaOH aqueous solution, and add the solution dropwise to the pre-prepared platinum (II) salt solution (350mL) with a pipette. Whenever the dropping ligand solution comes in contact with the metal salt solution, a dark gray precipitate is produced, which quickly turns light yellow under stirring. After the ligand solution is added, 10mol/L NaOH solution is slowly added with a pipette to make the pH value of the mixture reach 4.5. With the addition of lye, dark gray precipitation increased significantly. However, when the amount of lye added is 40mL, the precipitation will be significantly reduced. Continue stirring for 20h. The milk yellow precipitate generated by filtration is washed 3 times with water and dried in a vacuum on silica gel. Dissolve the crude product in dichloromethane and filter to remove the insoluble. The filtrate was concentrated to about 10mL, and then separated by silica gel chromatography column (100~200 mesh, 4cm × 30cm). The yellow dichloromethane eluent was evaporated under reduced pressure to obtain a yellow powder of 2.58g Pt(acac)2 with a yield of 75.0% (based on K2PtCl4). Recrystallized in benzene to obtain beautiful rod-like crystals containing a recrystallized solvent. When stored in air, the solvent will volatilize significantly. |