O-(2-Azidoethyl)heptaethylene glycol

ALDRICH/689440 - ≥95% (oligomer purity)

Synonym: Azido-PEG (n=7)

CAS Number: 352439-36-2
Empirical Formula (Hill Notation): C₁₆H₃₃N₃O₈
Molecular Weight: 395.45
MDL Number: MFCD08274607
Linear Formula: C₁₆H₃₃N₃O₈
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-689440-250MG	250 mg	$393.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

Ω-end	hydroxyl
α-end	azide
assay	≥95% (oligomer purity)
form	powder
functional group	azide
	hydroxyl
InChI	1S/C16H33N3O8/c17-19-18-1-3-21-5-7-23-9-11-25-13-15-27-16-14-26-12-10-24-8-6-22-4-2-20/h20H,1-16H2
InChI key	BUMODEBRFGPXRM-UHFFFAOYSA-N
mol wt	average M_n 400
reaction suitability	reaction type: click chemistry
	reagent type: cross-linking reagent
SMILES string	OCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]
storage temp.	2-8°C

Application:	O-(2-Azidoethyl)heptaethylene glycol is used to synthesize oligo and poly(ethylene glycol) derivatives that are used as structural units of dendrimers, hydrogels, surface modifiers, self-assembling systems and molecular crosslinkers. This precursor is compatible for acetylene-azide click reactions. Some of the reported applications include: • Synthesis of strain-stiffening hydrogels through self-assembly of oligomers fibres derived from Azido-PEG (n=7). • Synthesis of biodegradable tetra-PEG hydrogels for drug delivery system. • Synthesis of heterobifunctional oligo(ethylene glycol) linkers for bioconjugation and targeted drug delivery. • Preparation of synthetic amphiphiles for programmed pH-dependent dispersions of carbon nanotubes (CNTs). • Selective glycoprotein detection through allosteric click-imprinting by using a self-assembled monolayer developed from the above oligomer. • Preparation of bioactivated quantum dot micelles containing fluorescent nanocrystals.
Packaging:	250 mg in glass bottle
Packaging:	Bottomless glass bottle. Contents are inside inserted fused cone.

Symbol	GHS07
Signal word	Warning
Hazard statements	H315 - H319 - H335
Precautionary statements	P302 + P352 - P305 + P351 + P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥95% (oligomer purity)
Storage Temp.	2-8°C
UNSPSC	12352200

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