reliable quality 3,4-Dimethyl-1,2-cyclopentanedione
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| 1 Kilogram |
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- Min.Order :1 Kilogram
- Purity: 99%
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- Appearance:according to email quotation
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Details:
| Product Name: | 3,4-Dimethyl-1,2-cyclopentanedione |
| Synonyms: | 3,4-Dimethyl-1,2-cyclopentanedione,97%;DiMethyl-1,2-cyclopenta;3,4-diMethyl-1,2-cyclopenadione;3,4-DiMethyl cyclopentenolone Min 97%;2-Hydroxy-3,4–dimethyl-2-cyclopenten-1-on 3,4-Dimethylcyclo-pentane-1,2-dione;2-Cyclopentanedione,3,4-dimethyl-1;3,4-dimethyl-2-cyclopentanedione;FEMA 3268 |
| CAS: | 13494-06-9 |
| MF: | C7H10O2 |
| MW: | 126.15 |
| EINECS: | 236-810-8 |
| Product Categories: | Alphabetical Listings;C-D;-;Flavors and Fragrances;API intermediates |
| Mol File: | 13494-06-9.mol |
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| 3,4-Dimethyl-1,2-cyclopentanedione Chemical Properties |
| Melting point | 68-72 °C(lit.) |
| Boiling point | 194.28°C (rough estimate) |
| density | 1.0579 (rough estimate) |
| refractive index | 1.4690 (estimate) |
| FEMA | 3268 | 3,4-DIMETHYL-1,2-CYCLOPENTADIONE |
| storage temp. | 0-6°C |
| form | Crystalline Powder |
| color | Slightly yellow to light beige |
| Water Solubility | slightly soluble |
| JECFA Number | 420 |
| CAS DataBase Reference | 13494-06-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2-Cyclopentanedione, 3,4-dimethyl-(13494-06-9) |
| EPA Substance Registry System | 1,2-Cyclopentanedione, 3,4-dimethyl-(13494-06-9) |
| Safety Information |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| HS Code | 29142990 |
| MSDS Information |
| Provider | Language |
|---|---|
| 3,4-Dimethyl-1,2-cyclopentanedione | English |
| SigmaAldrich | English |
| ACROS | English |
| 3,4-Dimethyl-1,2-cyclopentanedione Usage And Synthesis |
| Chemical Properties | slightly yellow to light beige crystalline powder |
| Occurrence | Reported found as a constituent in coffee. |
| Preparation | By alkylation of 3,5-dicarbetoxy-4-methyl-cyclopentane-1,2-dione followed by hydrolysis and decarboxylation of the resulting 3,5-dicarbetoxy-3,4-dimethyl-cyclopentane-1,2-di-one |
| Aroma threshold values | Detection: 17 to 20 ppb |
| Taste threshold values | Taste characteristics at 10 ppm: brown, sweet, sugary, maple and caramellic. |
| 3,4-Dimethyl-1,2-cyclopentanedione Preparation Products And Raw materials |
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