O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol) , 95% , 651042-82-9

Synonym(s):
Methoxy PEG thiol;Methoxypolyethylene glycol thiol;mPEG thiol;PEG thiol

CAS NO.：651042-82-9

Empirical Formula: C15H32O7S

Molecular Weight: 356.48

MDL number: MFCD08274612

PRODUCT Properties

• Melting point: 50-55 °C
• Boiling point: 423.7±45.0 °C(Predicted)
• Density: 1.065
• Flash point: >230 °C
• storage temp.: -20°C
• solubility: DMSO : 100 mg/mL (280.52 mM; Need ultrasonic)
• form: Liquid
• pka: 9?+-.0.10(Predicted)
• color: Colorless to light yellow

Description and Uses

m-PEG7-thiol is a PEG linker containing 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.

Applications may include: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26
• WGK Germany: 3
• HS Code: 2930909899