Propargyl-PEG4-NHS ester

CAS NO.：1428629-70-2
Empirical Formula: C16H23NO8
Molecular Weight: 357.36
MDL number: MFCD22380743
Update Date: 2024-10-28 23:16:16

What is Propargyl-PEG4-NHS ester?

Description

Propargyl-PEG4-NHS ester is an amine reactive PEG linker with an alkyne group. Under the copper catalyzation, alkyne group can react with azide-bearing biomolecules to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media.

Properties of Propargyl-PEG4-NHS ester

Boiling point:	463.1±55.0 °C(Predicted)
Density	1.24±0.1 g/cm3(Predicted)
solubility	Soluble in DMSO, DCM, DMF
form	Viscous Liquid
color	Colorless to light yellow

Safety information for Propargyl-PEG4-NHS ester

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.