Amino-PEG9-t-butyl ester

CAS NO.：1818294-44-8
Empirical Formula: C25H51NO11
Molecular Weight: 541.67
MDL number: MFCD26127807
Update Date: 2024-10-23 13:36:13

What is Amino-PEG9-t-butyl ester?

Description

Amino-PEG9-t-butyl ester is a PEG molecule with an amino group and a t-butyl protected carboxyl group (tBoc). The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Properties of Amino-PEG9-t-butyl ester

Boiling point:	576.2±45.0 °C(Predicted)
Density	1.071±0.06 g/cm3(Predicted)
solubility	Soluble in Water, DMSO, DCM, DMF
form	Liquid
pka	8.74±0.10(Predicted)
color	Colorless to light yellow

Safety information for Amino-PEG9-t-butyl ester

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..…