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Osmium Tetroxide
Osmium Tetroxide is predominantly used in electron microscopy as a stain to add contrast to digitally scanned images.
Name: Sodium bicarbonate CAS No.: 144-55-8 Appearance: White powder or opaque monoclinic system fine crystals Molecular formula: CHNaO3 Molecular Weight: 84.01 Melting point:>300 °C(lit.) PACKAGE:25KG/BAG
Name: Dichroromethylvinylsilane CAS number: 124-70-9 Molecular formula: C3H6Cl2Si Molecular weight: 141.07 EINECS number: 204-710-3 Mol file: 124-70-9.mol
Name: Vinyltrimethylsilane CAS number: 754-05-2 Molecular formula: C5H12Si Molecular weight: 100.23 EINECS number: 212-042-9 Mol file: 754-05-2.mol
Name: Ethoxydimethylvinylsilane CAS number: 5356-83-2 Molecular formula: C6H14OSi Molecular weight: 130.26 EINECS number: 226-341-7 Mol file: 5356-83-2.mol
Name: CHLORODIMETHYLPINYLSILANE CAS number: 1719-58-0 Molecular formula: C4H9ClSi Molecular weight: 120.65 EINECS number: 217-007-1 Mol file: 1719-58-0.mol
Name: 1,1,3,3-TETRAMETHYL-1,3-DIVINYLDISILAZANE CAS number: 7691-02-3 Molecular formula: C8H19NSi2 Molecular weight: 185.41 EINECS number: 231-701-1 Mol file: 7691-02-3.mol
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Azobisisobutyronitrile (AIBN) is an organic compound with the chemical formula C8H12N4. It is a white crystalline powder, insoluble in water, soluble in various organic solvents such as ethanol, ether, toluene, methanol, etc. It is mainly used for rubber, Plastics and other foaming agents, polymerization initiators, and can also be used in organic synthesis.
Advantages of free radical initiators Advantages of azobisisobutyronitrile as a free radical initiator: the decomposition temperature (65-85°C) is suitable for most reactions; the first-order decomposition rate varies little with different solvents; it is not easily affected by free radicals radical attack, so induced decomposition and transfer reactions are negligible; can be decomposed by light at lower temperatures.
Main uses Azobisisobutyronitrile (AIBN) is the most commonly used azo initiator. Its characteristic is that the decomposition reaction is relatively stable, only one free radical is generated, and basically no induced decomposition occurs, so it is often used in the kinetic research of free radical polymerization. In addition, it is relatively stable and safe to store and use. Like all azo compounds, AIBN also has certain toxicity and cannot be used in the synthesis of polymers related to medical and food packaging. Because its decomposition reaction produces a stoichiometric amount of nitrogen, it can often be easily released by measuring its decomposition. The volume of nitrogen gas was used to determine kinetic data such as its decomposition activation energy and frequency factor. The polymer can also sometimes be foamed with evolved nitrogen. Its decomposition temperature is 50～70℃, and its decomposition activation energy is 129kJ/mol, which belongs to low activity initiator.
Packaging and transportation: 20kg/carton (carton), according to customer needs. Hazard class: Class 4.1 UN code: 3234 Packing group: II
Storage conditions: keep away from light, temperature < 20 ℃.
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Osmium Tetroxide is predominantly used in electron microscopy as a stain to add contrast to digitally scanned images.
Formic acid is one of the basic organic chemical raw materials, widely used in pesticides, leather, dyes, pharmaceuticals and rubber industries.
MSG Industrial Cell-mass is a good protein source and substitute of animal sourced protein (e.g. fish meal, pork meal, etc.) in pourtry, livestocks, and aquafeed industries.
4-Aminophenol (or para-aminophenol or p-aminophenol) is the organic compound with the formula H2NC6H4OH. Typically available as a white powder,[2] it was commonly used as a developer for black-and-white film, marketed under the name Rodinal.
TNPP is packed in 200Kg Steel Drums. Store in a cool and dry place, keep container closed when not in use.
Light yellow to amber transparent liquid,slightly soluble in water,soluble in alcohol,ether,ketone and other polar organic solvents,with polyehter,polyester polyol compatibility is good.
We have produced chemical more than fifteen years., 80% products are for export .
para-Anisidine (p-anisidine) is an organic compound with the formula CH3OC6H4NH2. A white solid, commercial samples can appear grey-brown owing to air oxidation.
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