1-mercapto-11-hydroxy-3,6,9-trioxaundecane

Synonym(s):1-Mercapto-11-hydroxy-3,6,9-trioxaundecane;MEEE

CAS NO.：90952-27-5
Empirical Formula: C8H18O4S
Molecular Weight: 210.29
MDL number: MFCD22574773
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 03:21:13

1-mercapto-11-hydroxy-3,6,9-trioxaundecane Structural

What is 1-mercapto-11-hydroxy-3,6,9-trioxaundecane?

Description

Thiol-PEG4-Alcohol is a crosslinker containing a hydroxyl group and a thiol group. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG spacer increases solubility in aqueous media.

The Uses of 1-mercapto-11-hydroxy-3,6,9-trioxaundecane

Oligo-ehtylene glycol of peptides and small molecules (PEGylation)
PEG-disulfide formation
ultra-thin protein-resistant monolayers
Densely packed monolayer and a flexible-hydrophilic oligo ethylene glycol arm for avoiding non-specific adsorption

Properties of 1-mercapto-11-hydroxy-3,6,9-trioxaundecane

Density	1.098 g/mL at 25 °C
refractive index	n20/D1.481
Flash point:	>110 °C
form	liquid
color	Light brown to brown

Safety information for 1-mercapto-11-hydroxy-3,6,9-trioxaundecane

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06
GHS Hazard Statements	H301:Acute toxicity,oral H314:Skin corrosion/irritation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.