2012年6月7日星期四
Exporter of Boron Carbide Nanopowder
Product name:Boron Carbide Nanopowder
CAS:12069-32-8
Molecular Formula:B4C
Formula Weight:55.26
Description of Boron Carbide Nanopowder:
Appearance:Gray Black powder
Melting point:2763 °C
Boiling point:3500 °C
Boron Carbide (BC) Nanoparticles, nanodots or nanopowder are spherical high surface area particles. Nanoscale Boron Carbide Particles are typically 10 - 100 nanometers (nm) with specific surface area (SSA) in the 10 - 75 m 2 /g range. Nano Boron Carbide Particles are also available in passivated and Ultra high purity and high purity and coated and dispersed forms. They are also available as a nanofluid through the AE Nanofluid production group. Nanofluids are generally defined as suspended nanoparticles in solution either using surfactant or surface charge technology. Nanofluid dispersion and coating selection technical guidance is also available. Other nanostructures include nanorods, nanowhiskers, nanohorns, nanopyramids and other nanocomposites. Surface functionalized nanoparticles allow for the particles to be preferentially adsorbed at the surface interface using chemically bound polymers.
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2012年6月5日星期二
Titanium Carbide Nanopowder 20-30nm for Sale
Product name:Titanium Carbide Nanopowder 20-30nm
Description of Titanium Carbide Nanopowder 20-30nm:
Chemical formula: TiC
Purity: 99%
[O] < 1%
Free [Si] <0.4%
[Cl] <0.25%
APS: 20-30 nm
SSA: 90 m2/g
True density: 4.93 g/cm3
Bulk density: 0.09 g/cm3
Crystal cell: Cubic
Color: Black
Shelf time: 24 months
Notes: The nanopowder needs to avoid direct sunshine. Moisture will result for agglomerations.
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Applications of Silicon Carbide Nanopowder 20-30nm
Product name:Silicon Carbide Nanopowder 20-30nm
Description of Silicon Carbide Nanopowder 20-30nm:
SiC nanopowder provides higher activity, lower sintering temperature, and different radiation or adsorption of light and conductivity electronically and thermally.
Some Applications:
1) nanostructured materials: it provides hard, higher ductility and strength etc. mechanical properties, and self-lubricating, anti-corrosion/oxidization to be used in the sectors of metallurgical, petrochemical, mechanical, air/space-crafts, e.g. bearings or other anti-wear part, liquid fuel injector, crucibles, high power and frequency modules, semiconductor components.
2) SiC Nanoparticle coating on the surface of tools, models or functional components with some performances above.
3) The nano composites with enhanced performances in the matrixes of metals, ceramics, and polymers.
4) New nucleating/refining or sintering agents in metals or alloys or polymer or ceramic or microcrystalline glass materials for smaller grain size with improved mechanical properties etc..
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2012年5月18日星期五
Export Good Quality Dodecylbenzenesulfonyl Azide
Product name:Dodecylbenzenesulfonyl Azide
CAS: 79791-38-1
Molecular Weight: 351.51
Molecular Formula: C18H29N3O2S
Description of Dodecylbenzenesulfonyl Azide:
Synonyms:4-Dodecylbenzenesulfonylazide;p-Dodecylbenzenesulfonyl azide;
Appearance: Light yellow oily liquid
Assay : 80% or 70%
Water: 0.50% max
PH: 6.0-7.0
Usage:Meropenem intermediate
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Supply N-Methylpiperazin-4-Carbamoyl Chloride Hydrochloride
Product name:N-Methylpiperazin-4-Carbamoyl Chloride Hydrochloride
CAS: 55112-42-0
Molecular Weight: 199.08
Molecular Formula: C6H11ClN2O.HCl
Description of N-Methylpiperazin-4-Carbamoyl Chloride Hydrochloride:
EINECS:259-482-8
Synonyms:1-Piperazinecarbonylchloride, 4-methyl-, hydrochloride (6CI);1-Piperazinecarbonyl chloride,4-methyl-, monohydrochloride (9CI);1-Chlorocarbonyl-4-methylpiperazinehydrochloride;4-Methyl-1-piperazinecarbonyl chloride hydrochloride;4-Methylpiperazinecarbonyl chloride hydrochloride;
Melting Point: 225-228 ºC
Boiling Point:247.5 °C at 760 mmHg
Flash Point:103.5 °C
Purity:97%
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2-Amino-5-Chloropyridine for Sale
Product name:2-Amino-5-Chloropyridine
CAS: 1072-98-6
Molecular Weight: 128.56
Molecular Formula: C5H5N2Cl
Description of 2-Amino-5-Chloropyridine:
Specification
Appearance:Nearly white powder crystals
Content:≥99%
Moisture:≤0.5%
Melting point:134-138℃
Boiling point: 127-128℃(11 MMHG)
Flash point:160℃
Water solubility:1 G/L (20℃)
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2012年5月15日星期二
Sell Good Quality S-Methyl-L-Cysteine Online
Product name:S-Methyl-L-Cysteine
CAS: 1187-84-4
Molecular Weight: 135.18
Molecular Formula: C4H9NO2S
Description of S-Methyl-L-Cysteine:
Synonym Name:S-Methylcysteine; Alanine, 3-(methylthio)-, L-; (R)-2-Amino-3-methylsulfanyl-propionic acid
EINECS :214-701-6
Density:1.26 g/cm3
Melting Point:-240 °C (dec.)
Boiling Point:300.3 °C at 760 mmHg
Flash Point:135.4 °C
Appearance:white to light beige fine crystalline powder
Storage temp.: -20°C
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