- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2-Methylcyclopentane-1,3-dione
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2-Methylcyclopentane-1,3-dione
- Price: ￥158.0/25g ￥58.0/5g ￥558.0/100g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: 2-Methylcyclopentane-1,3-dione
- Price: ￥Inquiry/1g
- Purity: 98.9%
- Stocking Period: 1 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2-Methyl-1,3-cyclopentanedione
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 2-Methyl-1,3-cyclopentanedione
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
765-69-5
765-69-5 structure
- Name: 2-Methylcyclopentane-1,3-dione
- Chemical Name: 2-Methyl-1,3-cyclopentanedione
- CAS Number: 765-69-5
- Molecular Formula: C6H8O2
- Molecular Weight: 112.127
- Catalog: Chemical reagent Organic reagent Fatty ketone (including enol)
- Create Date: 2018-09-04 20:07:11
- Modify Date: 2025-08-25 22:01:03
-
2-Methylcyclopentane-1,3-dione is a key intermediate for the total synthesis of steroids[1].
| Name | 2-Methyl-1,3-cyclopentanedione |
|---|---|
| Synonyms |
1,3-Cyclopentanedione, 2-methyl-
2-methyl-1,3-cyclo-pentanedione 2-Methylcyclopentan-1,3-dion Cyclopentanecarbonylchloride,2-methyl MFCD00001406 2-methylcyclopentane-1,3-dione 2-Methyl-1,3-cyclopentanedione 2-methylcyclopentanecarbonyl chloride 2-methyl-cyclopentane-1,3-dione 2-methyl-cyclopentan-1,3-dione EINECS 212-153-2 2-Methyl-1,3-cyclopentadione 2-Methyl-cyclopentan-1-carbonsaeure-chlorid |
| Description | 2-Methylcyclopentane-1,3-dione is a key intermediate for the total synthesis of steroids[1]. |
|---|---|
| Related Catalog | |
| References |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 218.0±23.0 °C at 760 mmHg |
| Melting Point | 212-215 °C(lit.) |
| Molecular Formula | C6H8O2 |
| Molecular Weight | 112.127 |
| Flash Point | 78.5±19.6 °C |
| Exact Mass | 112.052429 |
| PSA | 34.14000 |
| LogP | -0.78 |
| Vapour Pressure | 0.1±0.4 mmHg at 25°C |
| Index of Refraction | 1.463 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S22-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 29142900 |
|
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| Literature: Angewandte Chemie - International Edition, , vol. 46, # 21 p. 3966 - 3970 |
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| Literature: Journal of the American Chemical Society, , vol. 65, p. 2296,2298 |
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| Literature: Journal of the American Chemical Society, , vol. 65, p. 2296,2298 |
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| Literature: Isart, Carles; Bastida, David; Bures, Jordi; Vilarrasa, Jaume Angewandte Chemie - International Edition, 2011 , vol. 50, # 14 p. 3275 - 3279 |
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| Literature: Synthetic Communications, , vol. 19, # 3and4 p. 373 - 378 |
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| Literature: Journal of Organic Chemistry, , vol. 47, # 23 p. 4491 - 4498 |
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| Literature: Bulletin de la Societe Chimique de France, , p. 1036 Organic Syntheses, , vol. Coll. Vol. V, p. 747 |
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| Literature: Australian Journal of Chemistry, , vol. 35, # 4 p. 799 - 808 |
| Precursor 7 | |
|---|---|
| DownStream 10 | |
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |