The average molecular weight is 5,000 daltons, so that would mean there are 111.80 O(CH2)2 units in each chain, on average. The math on this is 5,000 minus 75.11 (to account for the end groups), and then dividing by 44.05 (the mass of one O(CH2)2 unit). This is an average, of course, and the chains will vary in length.
06679
Methoxypolyethylene glycol amine
5,000, extent of labeling: ≥0.17 mmol/g NH2 loading
Synonym(s):
O-(2-Aminoethyl)-O′-methylpolyethylene glycol, Aminopolyethylene glycol monomethyl ether, Methoxypolyoxyethylene amine
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About This Item
Linear Formula:
H2NCH2CH2(OCH2CH2)nOCH3
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
extent of labeling
≥0.17 mmol/g NH2 loading
InChI
1S/C3H9NO/c1-5-3-2-4/h2-4H2,1H3
InChI key
ASUDFOJKTJLAIK-UHFFFAOYSA-N
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Application
Methoxypolyethylene glycol amine is generally used for the chemical modification of biologically active compounds and therapeutic agents.[1] It has been used to increase the aqueous solubility of long-wavelength voltage-sensitive dyes[2] and to prepare the PEG-coated fluorescent beads in studying large-scale rotational cytoplasmic flow.[3]
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
>230.0 °F
Flash Point(C)
> 110 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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