CAS: 3100-04-7
Molecular Formula: C4H6
Molecular Weight: 54.09
EINECS: 203-905-0
Product name: 1-Methylcyclopropene
Synonyms: Epa pesticide chemical code 224459; Ethylbloc; Hsdb 7517; Smartfresh; 1-Methylcyclopropene,1-MCP; Cyclopropene, 1-methyl-; 1-Methylcyclopropene; 1-Methylcyclopropen
1-Methylcyclopropene (1-MCP) is a highly effective and safe plant growth regulator widely recognized around the world. It is mainly used in the post-harvest preservation of fruits, vegetables, and flowers. By slowing down the natural ripening and aging process, 1-MCP helps maintain freshness, flavor, and texture, while significantly extending shelf life.
Today, 1-MCP has become a key technology in the storage, transport, and sale of fresh produce, especially for apples, pears, bananas, kiwifruit, and cut flowers.
| Item | Standard |
| Color | White |
| Shape | Powder |
| Impurities | No macroscopic impurities |
| Water soluble | 1g sample was completely dissolved in 100g of water |
| Moisture % | ≤10.0 |
| Ash % | ≤2.0 |
| Assay% | ≥98 |
Delays ripening and aging – prevents fruits and vegetables from softening, yellowing, or losing flavor.
Maintains texture – keeps apples, pears, and other fruits firm and crisp, avoiding post-harvest mealiness.
Reduces disease incidence – slows physiological decline, lowering the chance of decay and spoilage.
Preserves color and taste – keeps produce vibrant and flavorful by inhibiting chlorophyll breakdown.
1-MCP is widely applied across different categories of produce:
Pome fruits: Apples, pears – standard in storage facilities to preserve quality for months.
Tropical fruits: Bananas, kiwifruit, mangoes, papayas – controls ripening for transport and export.
Citrus fruits: Reduces peel disorders such as puffiness and shriveling.
Vegetables: Tomatoes, bell peppers, broccoli, leafy greens – slows softening and yellowing.
Flowers & ornamentals: Carnations, lilies, roses, and potted plants – delays wilting, petal drop, and leaf yellowing, extending vase and shelf life.
When fruits and vegetables ripen, they release ethylene gas, a natural plant hormone that triggers aging.
1-MCP works by:
Binding to the ethylene receptors inside plant cells.
Blocking ethylene’s ability to start the ripening process.
“Pausing” the natural aging process without harming the produce.
This simple but powerful mechanism allows growers, distributors, and retailers to control freshness with precision.
25kgs/drum,9tons/20’container
25kgs/bag,20tons/20’container
