离岸价格
获取最新报价( Negotiable )
|500 Kilogram Minimum Order
国家:
UAE
型号:
-
离岸价格:
( Negotiable )获取最新报价
位置:
Iran
最小订单价格:
-
最小订单:
500 Kilogram
包装细节:
Cartons
交货时间:
7 days
供应能力:
10000 Kilogram per Week
付款方式:
Western Union, L/C, T/T
產品組 :
Polyethylene Glycols :
KEPEG Polyethylene glycols Pharmaceutical grade) as PEG
10000- PEG 6000- PEG 4000 - PEG 3350 - PEG 2000 - PEG 1500 - PEG
1000 - PEG 600 - PEG 400 - PEG 300 - PEG 200
Polyethylene glycols are non-toxic, odorless, neutral, lubricating,
nonvolatile and nonirritating and are used in a variety of
pharmaceuticals and in medications as a solvent, dispersing agent,
ointment and suppository bases, vehicle, and tablet excipient.
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.
PEGs are soluble in water and most organic solvents.
国家: | UAE |
型号: | - |
离岸价格: | ( Negotiable ) 获取最新报价 |
位置: | Iran |
最小订单价格: | - |
最小订单: | 500 Kilogram |
包装细节: | Cartons |
交货时间: | 7 days |
供应能力: | 10000 Kilogram per Week |
付款方式: | Western Union, L/C, T/T |
產品組 : | Polyethylene Glycols |