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POLYETHYLENE GLYCOL 6000

POLYETHYLENE GLYCOL 6000
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RXSOL-60-6605-270
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POLYETHYLENE GLYCOL 6000 manufacturers, suppliers, exporters in Mumbai, Gandhidham, Kolkata, Varanasi, Visakhapatnam, Chennai, Fujairah, Dubai, Canada BC, Barka, Sohar, Muscat, Oman.
Lab chemicals manufacturers, suppliers, exporters in India, UAE Middle East, Barka, Sohar, Muscat, Oman, Canada.
 
POLYETHYLENE GLYCOL 6000 is available in small packing as well as in bulk. Buy premium quality POLYETHYLENE GLYCOL 6000 and other lab chemicals from one of the most trusted brands.

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The reason for for using PEGs with large molecular weight is that smaller PEGs can diffuse through the cell wall and are even taken up by plant cells and distributed through the plant, which may influence the results. larger than 6,000 (PEG 6000) are inert, non-ionic and cell impermeable. to simulate osmotic stress.

Remarks
Polyethylene glycols (PEGs) are condensation polymers of ethylene oxide and water with the general formula H(OCH2CH2)nOH. They are the most commercially important type of polyether. The low molecular weight compounds up to 700 are colorless, odorless viscous liquids with a freezing point from -10˚C (diethylene gycol), while polymerized compounds with higher molecular weight than 1,000 are wax like solids with melting point up to 67˚C. While PEGs with different molecular weights find use in different applications and have different physical properties (e.g. viscosity) due to chain length effects, their chemical properties are nearly identical.
 
The numbers that are often included in the names of PEGs indicate their average molecular weights, e.g. a PEG with n=9 would have an average molecular weight of approximately 400 and would be labeled PEG 400. Most PEGs include molecules with a distribution of molecular weights, i.e. they are polydisperse.
Note

The reason for for using PEGs with large molecular weight is that smaller PEGs can diffuse through the cell wall and are even taken up by plant cells and distributed through the plant, which may influence the results. larger than 6,000 (PEG 6000) are inert, non-ionic and cell impermeable. to simulate osmotic stress.

 

Color of Solution, 5g/50ml of Water Slightly Hazy
Viscosity @98.9˚C 250-390 Cst
pH, 5% Solution in Water 4.5-7.5
Residue on ignition Max  0.1 %wt
Assay (Average Molecular Weight)  5400-6600 g/mol
Heavy  metals Max 5 ppm
Ethylene Oxide & 1,4-Dioxane Max. 10

 

Polyethylene glycol, referred to as PEG, is used as an inactive ingredient in the pharmaceutical industry as a solvent, plasticizer, surfactant, ointments and suppository base, and tablet and capsule lubricant. ... PEG is also available as a bowel prep for colonoscopy procedures and as a laxative

Melting Point:
PEG 300 = -11°C
PEG 400 = 4-8 °C
PEG 600 = 20-25 °C
PEG 1500 = 44-48 °C
PEG 4000 = 54-58 °C
PEG 6000 = 56-63°C

The addition of PEG to a protein solution increases the chemical potential of the protein. Precipitation of the protein occurs when its chemical potential exceeds the level of a saturated solution.

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