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ChemicalBook > Product Catalogue >Catalyst and Auxiliary >polymer >Thiol-PEG3-acid

Thiol-PEG3-acid

Thiol-PEG3-acid Structure
  • ₹0
  • Product name: Thiol-PEG3-acid
  • CAS: 1347750-82-6
  • MF: C9H18O5S
  • MW: 238.3
  • EINECS:
  • MDL Number:MFCD25424073
  • Synonyms:Thiol-PEG3-acid;Thiol-PEG3-propionic acid;HS-PEG3-COOH;Propanoic acid, 3-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]-;3-(2-(2-(2-Mercaptoethoxy)ethoxy)ethoxy)propanoic acid;SH-PEG3-COOH
Manufacturer Product number Product description Packaging Price Updated Buy

Properties

Boiling point :377.5±37.0 °C(Predicted)
Density :1.163±0.06 g/cm3(Predicted)
pka :4.28±0.10(Predicted)
form :Liquid

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
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.

Description

Thiol-PEG3-acid is a PEG linker containing a thiol group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.

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