6-Methyl-3,5-heptadien-2-one
- CAS No.
- 1604-28-0
- Chemical Name:
- 6-Methyl-3,5-heptadien-2-one
- Synonyms
- 6-Methyl-3,5-heptadiene-2-one;6-methylhepta-3,5-dien-2-one;METHYL HEPTADIENONE;3,5-Heptadien-2-one, 6-methyl-;FEMA 3363;6-methyl-5-heptadien-2-one;5-Heptadien-2-one,6-methyl-3;(E)-6-Methylhepta-3,5-dien-2-one;METHYLHEPTADIENON;TIMTEC-BB SBB008066
- CBNumber:
- CB4360205
- Molecular Formula:
- C8H12O
- Molecular Weight:
- 124.18
- MDL Number:
- MFCD00043647
- MOL File:
- 1604-28-0.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Boiling point | 95-96°C 20mm |
|---|---|
| Density | 0,89 g/cm3 |
| FEMA | 3363 | 6-METHYL-3,5-HEPTADIEN-2-ONE |
| refractive index | 1.5340 |
| FLAVIS Number | 07.099 | 6-Methylhepta-3,5-dien-2-one |
| Flash point | 95-96°C/20mm |
| storage temp. | Storage temp. 2-8°C |
| form | liquid |
| Appearance | Colorless to light yellow Liquid |
| Odor | at 1.00 % in dipropylene glycol. cinnamon coconut spice woody sweet weedy |
| Odor Type | spicy |
| Water Solubility | Miscible with alcohol. Immiscible with water. |
| JECFA Number | 1134 |
| BRN | 1699937 |
| Cosmetics Ingredients Functions | PERFUMING |
| InChI | 1S/C8H12O/c1-7(2)5-4-6-8(3)9/h4-6H,1-3H3/b6-4+ |
| InChIKey | KSKXSFZGARKWOW-GQCTYLIASA-N |
| SMILES | C\C(C)=C\C=C\C(C)=O |
| LogP | 1.68 |
| Substances Added to Food (formerly EAFUS) | 6-METHYL-3,5-HEPTADIEN-2-ONE |
| FDA 21 CFR | 172.515 |
| FDA UNII | P7CMP2E76C |
| EPA Substance Registry System | 3,5-Heptadien-2-one, 6-methyl- (1604-28-0) |
| UNSPSC Code | 12352200 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H227-H315-H319-H335 | |||||||||
| Precautionary statements | P210e-P261-P280a-P305+P351+P338-P405-P501a | |||||||||
| target organs | Respiratory system | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 10-36/38-36/37/38 | |||||||||
| Safety Statements | 26-36-36/37-37 | |||||||||
| RIDADR | 1224 | |||||||||
| WGK Germany | WGK 2 | |||||||||
| TSCA | TSCA listed | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29141900 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
6-Methyl-3,5-heptadien-2-one price More Price(31)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | M3780 | 6-Methylhepta-3,5-dien-2-one min. 95.0 % | 1604-28-0 | 5G | $51 | 2026-04-30 | Buy |
| TCI Chemical | M3780 | 6-Methylhepta-3,5-dien-2-one min. 95.0 % | 1604-28-0 | 25G | $178 | 2026-04-30 | Buy |
| ChemScene | CS-W013522 | 6-Methyl-3,5-heptadien-2-one ≥95% | 1604-28-0 | 5g | $22 | 2026-06-04 | Buy |
| ChemScene | CS-W013522 | 6-Methyl-3,5-heptadien-2-one ≥95% | 1604-28-0 | 25g | $64 | 2026-06-04 | Buy |
| ChemScene | CS-W013522 | 6-Methyl-3,5-heptadien-2-one ≥95% | 1604-28-0 | 100g | $194 | 2026-06-04 | Buy |
6-Methyl-3,5-heptadien-2-one Chemical Properties, Uses, Production
Description
6-Methyl-3,5-heptadien-2-one has a cinnamon-like odor with a coconut undertone. May be prepared by reacting 2-methylbuten- 2-al with acetone in the presence of sodium ethylate or sodium hydroxide; by pyrolysis of tertiary actylenic carbinyl acetoacetates in the presence of an acid catalyst.
Chemical Properties
6-Methyl-3,5-heptadine-2-one has a cinnamon-like odor with a coconut undertone
Chemical Properties
Clear colorless to light yellow liquid
Occurrence
Reported as occurring in the oil of lavandin, grapes, tomato and tomato paste, green tea, filberts, cooked rice and rice bran, licorice, corn oil and lemon balm
Uses
6-Methyl-3,5-heptadien-2-one is used in the preparation of (RS)-(E)-2,6-dimethyl-1,2-epoxy-3,5-heptadiene.
Preparation
By reacting 2-methylbuten-2-al with acetone in the presence of sodium ethylate or sodium hydroxide; by pyrolysis of tertiary acetylenic carbinyl acetoacetates in the presence of an acid catalyst.
Aroma threshold values
Detection: 375 ppb
Taste threshold values
Taste characteristics at 30 ppm: green and sweet with a brown, herbal aftertaste.
6-Methyl-3,5-heptadien-2-one Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Shijiazhuang Lida Chemical Co., Ltd. | +86 (311) 8573-7996 | service@lid-ff.cn | China | 294 | 65 |
| Syntechem Co.,Ltd | info@syntechem.com | China | 12973 | 57 | |
| Shanghai Aladdin Bio-Chem Technology Co.,LTD | 400-6206333 13167063860 | anhua.mao@aladdin-e.com | China | 29985 | 65 |
| HBCChem, Inc. | +1-510-219-6317 | sales@hbcchem.com | United States | 10628 | 60 |
| Finetech Industry Limited | 027-87465837 19945049750 | sales@finetechnology-ind.com | China | 9331 | 58 |
| Shanghai Macklin Biochemical Co.,Ltd. | 15221275939 15221275939 | shenlinxing@macklin.cn | China | 15775 | 55 |
View Latest Price from 6-Methyl-3,5-heptadien-2-one manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-06-08 | 6-Methyl-3,5-heptadien-2-one
1604-28-0
|
1kg | 99% | 1 | Jinan Ruitong Biotech Co., Ltd. | ||
 |
2025-05-23 | 6-METHYL-3,5-HEPTADIEN-2-ONE
1604-28-0
|
$45.00 | 1kg | 99% | 20 tons | Hebei Zhuanglai Chemical Trading Co Ltd | |
 |
2024-07-18 | 6-METHYL-3,5-HEPTADIEN-2-ONE
1604-28-0
|
1kg | 98% | 10ton | JINING XINHE CHEMICAL CO., LTD |
-
- 6-Methyl-3,5-heptadien-2-one
1604-28-0
- 99%
- Jinan Ruitong Biotech Co., Ltd.
-
- 6-METHYL-3,5-HEPTADIEN-2-ONE
1604-28-0
- $45.00
- 99%
- Hebei Zhuanglai Chemical Trading Co Ltd
-
- 6-METHYL-3,5-HEPTADIEN-2-ONE
1604-28-0
- 98%
- JINING XINHE CHEMICAL CO., LTD
