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Basic information Safety Related Supplier
LIGNINE Basic information
  • Product Name:LIGNINE
  • CAS:9005-53-2
  • MF:
  • MW:0
  • EINECS:232-682-2
  • Mol File:Mol File
LIGNINE Chemical Properties
  • Merck 14,5487
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • EPA Substance Registry SystemLignin (9005-53-2)
Safety Information
  • HS Code 39072090
LIGNINE Usage And Synthesis
  • DescriptionAn abundant phenylpropane polymer found in all vascular plants. Lignin acts as the "glue" for cellulose and hemicellulose constit uents of plants, and the three substances comprise the major cell wall components of cellulosic plants, e.g., woody and grassy plants. These substances are bound tightly and may only be sep arated under vigorous conditions. Lignin finds use as a drilling fluid additive, asphalt emulsion stabilizer, protein precipitant, rub ber strengthener and precursor for the synthesis of phenol, vanillin and other products.
  • Chemical PropertiesThe term "lignin" is derived from the Latin lignum for wood, and woody plants or parts of plants contain large quantities of this substance. lignin is an irnportant skeletal component of secondary cell walls and is thus not found in young plants or parts of plants that are still growing. It is lignin that provides the hardness and rigidity of tree trunks and the sterns of perennial plants. In the cell wall, lignin is bound to other components, notably hemicelluloses. The lignin-cellulose-hemicellulose complex has economic irnportance in the production of paper from wood. The strong bonds linking cellulosic material to lignin render the former inaccessible to enzyme hydrolysis, and thus lignin has a direct influence on the digestibility, and hence the nutritive value, of herbage plants to grazing animals. In herbage plants, lignin is also bonded to cell wall protein.
    Lignification of plants affects the palatability of fruits and vegetables. Thus, the unpleasant "stone cells" in pears are due to lignification, and many root and stern crops, such as carrots, beetroot, celery or asparagus, when old become inedible through lignification.
  • UsesSource of vanillin, syringic aldehyde, dimethyl sulfoxide, Lignin (Dealkaline) can be extender for phenolic plastics, to strengthen rubber (esp for shoe soles), as oil mud additive, to stabilize asphalt emulsions, to precipitate proteins.
  • Agricultural UsesThe overall appearance of lichens is described as crustose (they make a thin and flat crust on the substratum), foliose or fruticose (upright, branched forms, resembling shrubs). Lichens grow slowly from a few millimeters to several meters each year. They reproduce mostly by the development of apothecia or perithecia, forming new lichens on germination of the ascospores only in the presence of the algal partner in whose absence the fungus dies.
    Nearly 700 chemicals, which are unique to lichens, help lichens to survive and ward off attacks by bacteria, other fungi and grazing herbivores.
    Lichens belong to soil-crust communities and help stabilize soils, especially in desert areas. Cyanolichens contribute to fixing nitrogen to the ecosystem in which they grow. LicheGare used for identifying the age of the surface (on which they grow) by a technique, called lichenometry..
    Lichens are pollution indicators because of their differential sensitivity to sulphur dioxide (SO2), nitrogen dioxide (NO2) and ozone, as well as their ability to absorb and accumulate heavy metals and radionuclides..
    Substances like pigments, toxins, antibiotics, etc. are obtained from lichens, which are especially useful as a source of dyes (for example, Roccella, providing litmus), medicines and perfumes. Some lichens, like Iceland moss and reindeer moss, are used as food in arctic regions.
LIGNINE Preparation Products And Raw materials
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