| Identification | Back Directory | [Name]
1-Methylcyclopropene | [CAS]
3100-04-7 | [Synonyms]
Ethylbloc
Hsdb 7517
Smartfresh
Methylcyclopropen
1-Methylcyclopropen
1-Methylcyclopropene
1-methylecyclopropene
Fresh keeping for fruit
Cyclopropene, 1-methyl-
1-Methylcyclopropene,1-MCP
1-Methylcyclopropen ( 1-MCP )
1-Methylcyclopropene (1-MCP) 3.5%
Epa pesticide chemical code 224459
1-Methylcyclopropene in cyclodextrin
1-Methylcyclopropene ISO 9001：2015 REACH | [EINECS(EC#)]
203-905-0 | [Molecular Formula]
C4H6 | [MDL Number]
MFCD11840628 | [MOL File]
3100-04-7.mol | [Molecular Weight]
54.09 |
| Hazard Information | Back Directory | [Chemical Properties]
1-Methylcyclopropene (1-MCP) is a derivative of cyclopropene, a small cyclic olefin with active chemical properties. 1-MCP is a synthetic plant growth regulator and is now widely used in commercial applications. | [Uses]
1-Methylcyclopropene (1-MCP) is a plant growth and ripening regulator. It acts as an inhibitor of ethylene by blocking the receptor of ethylene in the tissues of plants, flowers, fruit and vegetables, thus preventing the ripening process. It is used to inhibit ethylene production in cut flowers, potted flowers, bedding, nursery and foliage plants, and in stored fruits and vegetables. It is approved for use only in enclosed spaces, such as greenhouses, store rooms, coolers, enclosed truck trailers, controlled atmosphere food storage facilities, and shipping containers. | [Definition]
ChEBI: A member of the class of cyclopropenes that is cyclopropene in which the hydrogen at position 1 has been replaced by a methyl group. A gas at room temperture and pressure, it is a (synthetic) ethylene perception inhibitor and is used to prolong the life of
cut and potted flowers, other ornamental plants, and fruit. | [Health effects]
Based on studies with laboratory animals, no adverse effects are expected to humans who are exposed to end products that contain 1-MCP, although eye irritation may occur if a user does not follow label directions. 1-MCP as a gas is not toxic to test animals. Human exposure is expected to be minimal because 1-MCP is approved only for use indoors, and the product label instructs people to leave the treatment space during treatment. | [Regulations]
Methylcylcolpropene (1-MCP) was registered as an active ingredient in April 1999. As of March 22, 2006, there are five registered products that contain this active ingredient. The EPA established an exemption from the requirement of a tolerance for residues of 1-MCP in or on fruits and vegetables when used as a post harvest plant growth regulator, i.e., for the purpose of inhibiting the ripening promotion effects of ethylene. This tolerance exemption became effective July 26, 2002 (67 FR 48796). At that time, EPA registered a new product allowing for post-harvest application to apples, apricots, avocados, kiwifruit, mangos, melons, nectarines, pears, papayas, peaches, persimmons, plums, and tomatoes. |
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