Chinnanthus retusus, commonly known as Fringetree or Velvet Wood, is a deciduous tree belonging to the Oleaceae family. It is admired for its elegant appearance and unique ornamental value. The branchlets are grayish-yellow in color and covered with dense, velvety hairs. Its leaves are opposite, leathery, and typically elliptic or obovate-elliptic in shape, with smooth edges. This species is dioecious, meaning male and female flowers grow on separate trees. The inflorescence is a compound umbel that appears at the terminal ends of branches. The calyx has four deep lobes, which are linear in shape, and the flowers are white, creating a striking visual effect when they bloom in early spring, usually between April and May. The fruit is an oval drupe, ranging in color from blue to black, and it ripens between September and October. Propagation of Chinnanthus retusus can be done through seed sowing or cuttings. For seeds, it is common to sow them after they have ripened, often following a period of sand stratification, and then planting them in the spring of the following year. Cuttings are best taken during the Meiyu season (the rainy season in summer), using thick, semi-mature branches from the current year. These cuttings are then planted in well-draining sandy loam soil. When transplanting seedlings, both spring and autumn are suitable times. Small and medium-sized seedlings should be transplanted with their root balls intact, while larger plants require careful handling of the soil ball to ensure successful establishment. In terms of landscape use, Chinnanthus retusus is ideal for planting around buildings, near water features, or along garden paths in parks. Its tall, graceful form and lush foliage make it a popular choice for ornamental purposes. Older specimens can also be grown in pots and shaped into decorative forms. The young leaves can be used to make tea, while the fruits contain oil that can be extracted for industrial applications. The wood is dense and fine-grained, making it suitable for crafting household appliances or other wooden items. Overall, this tree offers both aesthetic and practical benefits, making it a valuable addition to any garden or landscape design.

Fluorine-Containing Phenylamine

Most of the Fluorine-Containing Phenylamine products are a light yellow oily liquid, relatively high density, insoluble in water. Most of them are used in the manufacturing of pesticides and dye intermediates, small part of them can be used as an analytical reagent. The steam or smoke of fluorine-containing phenylamine series is irritated to eyes, mucous membranes and upper respiratory. Vapor and air can form explosive mixtures, in case of fire, high-heat combustion caused the explosion. And oxidant may react. Decomposition by high fever and emit toxic gases. In case of high fever, increased pressure within containers, cracking and the risk of explosion. Protective measures must be done carefully during product storage. Once the fire occurred, it must be immediately evacuated from air leakage,personnel to a safe area, prohibit access to the contaminated area. Recommended emergency personnel wearing self-contained breathing apparatus and wear chemical protective clothing. In the ambulance personnel to ensure proper safety measures, immediately use foam, carbon dioxide, dry, sandy soil to put out a fire.

Containing Phenylamine,2-Bromo-4-Methoxy-Phenylamine,5-Fluoro-2-Iodoaniline

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