3-PENTEN-2-ONE
- CAS No.
- 625-33-2
- Chemical Name:
- 3-PENTEN-2-ONE
- Synonyms
- (E)-pent-3-en-2-one;pent-3-en-2-one;METHYL PROPENYL KETONE;FEMA 3417;2-Penten-4-one;(3E)-3-Penten-2-one;3-PENTEN-2-ONE;3-PENTENE-2-ONE;3-pentane-2-one;2-Oxo-3-pentene
- CBNumber:
- CB4157470
- Molecular Formula:
- C5H8O
- Molecular Weight:
- 84.12
- MDL Number:
- MFCD00009290
- MOL File:
- 625-33-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| 3-Penten-2-one 70% | 145017 | 1g | $72.8 |
| 3-Penten-2-one 70% | 145017 | 5g | $158 |
| 3-Penten-2-one 98% | AA00398Z | 1g | $8 |
| 3-Penten-2-one 98% | AA00398Z | 5g | $21 |
| 3-Penten-2-one 98% | AA00398Z | 10g | $40 |
| More product size | |||
| Boiling point | 121-124 °C (lit.) |
|---|---|
| Density | 0.862 g/mL at 25 °C (lit.) |
| vapor pressure | 760 mm Hg ( 121 °C) |
| refractive index |
n |
| FEMA | 3417 | 3-PENTEN-2-ONE |
| FLAVIS Number | 07.044 | Pent-3-en-2-one |
| Flash point | 70 °F |
| storage temp. | Sealed in dry,2-8°C |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
| form | Liquid |
| color | Clear colorless |
| Odor | at 0.10 % in dipropylene glycol. fruity acetone phenolic fishy |
| Odor Type | fruity |
| Water Solubility | Slightly soluble in Water |
| JECFA Number | 1124 |
| BRN | 1633505 |
| Stability | Stable. Flammable. Incompatible with strong oxidizing and strong reducing agents, strong acids, strong bases. |
| InChI | 1S/C5H8O/c1-3-4-5(2)6/h3-4H,1-2H3 |
| InChIKey | LABTWGUMFABVFG-UHFFFAOYSA-N |
| SMILES | CC(C=CC)=O |
| LogP | 0.56 |
| Substances Added to Food (formerly EAFUS) | 3-PENTEN-2-ONE |
| EWG's Food Scores | 1 |
| FDA UNII | 4WN5NGB7KX |
| EPA Substance Registry System | 3-Penten-2-one (625-33-2) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS06 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225-H311-H315-H319-H335 | |||||||||
| Precautionary statements | P210-P233-P240-P280-P303+P361+P353-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | F,Xn | |||||||||
| Risk Statements | 11-21-36/37/38 | |||||||||
| Safety Statements | 16-26-33-36/37/39 | |||||||||
| RIDADR | UN 1992 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | SB3850000 | |||||||||
| F | 10-19 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29141990 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Acute Tox. 3 Dermal Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704 |
|
3-PENTEN-2-ONE price More Price(25)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 145017 | 3-Penten-2-one 70% | 625-33-2 | 1g | $72.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | 145017 | 3-Penten-2-one 70% | 625-33-2 | 5g | $158 | 2026-04-30 | Buy |
| aablocks | AA00398Z | 3-Penten-2-one 98% | 625-33-2 | 1g | $8 | 2026-05-28 | Buy |
| aablocks | AA00398Z | 3-Penten-2-one 98% | 625-33-2 | 5g | $21 | 2026-05-28 | Buy |
| aablocks | AA00398Z | 3-Penten-2-one 98% | 625-33-2 | 10g | $40 | 2026-05-28 | Buy |
3-PENTEN-2-ONE Chemical Properties,Uses,Production
Chemical Properties
3-Penten-2-one has a fruity odor becoming pungent on storage.
Chemical Properties
colourless liquid with a pungent odour
Occurrence
Reported found among the volatile components of roasted peanuts; also in cranberry, mango, bilberry, rum, cocoa, coffee, tea, roasted filberts, roasted peanuts, potato chips, lingonberry, strawberry fruit and jam, tomato, wheat bread, parmesan cheese, yogurt, fatty fish, passion fruit, beans, mango, tamarind, rice, Bourbon vanilla, endive, shrimp, katsubushi and buckwheat.
Uses
3-Penten-2-one was used in the synthesis of the alkaloids (+/-)-senepodine G and (+/-)-cermizine C.
Preparation
From 4-hydroxy-pentan-2-one refluxed with oxalic acid.
Definition
ChEBI: An enone that is pent-2-ene in which the two methylene hydrogens have been replaced by an oxo group.
Taste threshold values
Taste characteristics at 10 ppm: musty, stale water and phenolic with a fishy and shellfish nuance.
General Description
3-Penten-2-one is volatile compound present in berry fruit of two Aronia melanocarpa genotypes. Urinary 3-penten-2-one is a useful biomarker for increased accumulation of acetaldehyde during abnormal metabolic stress.
Biochem/physiol Actions
3-Penten-2-one inhibits nitric oxide production and inducible nitric oxide synthase expression via heme oxygenase-1 expression in lipopolysaccharide-activated RAW264.7 macrophages.
3-PENTEN-2-ONE Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| BOC Sciences | 16314854226; +16314854226 | inquiry@bocsci.com | United States | 19853 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5220 | 58 |
| JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 809 | 58 |
| Nanjing ChemLin Chemical Industry Co., Ltd. | 025-83697070 | product@chemlin.com.cn | CHINA | 3009 | 60 |
| Speranza Chemical Co., Ltd. | +86-86-075521030354 +8618688942810 | sophieliu@speranzachem.com | China | 923 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29812 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 +8615060885618 | sales@amoychem.com | China | 6366 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49979 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569262 +86-15003564040 | 1056@dideu.com | China | 3967 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
View Lastest Price from 3-PENTEN-2-ONE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-05-28 | 3-Penten-2-one
625-33-2
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2024-07-23 | 3-PENTEN-2-ONE
625-33-2
|
1kg | 98% | 10ton | JINING XINHE CHEMICAL CO., LTD | ||
 |
2024-07-15 | 3-PENTEN-2-ONE
625-33-2
|
1kg | 99% | 10ton | JINING XINHE CHEMICAL CO., LTD |
-
- 3-Penten-2-one
625-33-2
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- 3-PENTEN-2-ONE
625-33-2
- 98%
- JINING XINHE CHEMICAL CO., LTD
-
- 3-PENTEN-2-ONE
625-33-2
- 99%
- JINING XINHE CHEMICAL CO., LTD
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