2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfo… 118591-58-5

Name: 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-051841

About 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate

Listed under CAS 118591-58-5, 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate is a metabolite / degradant standard available from Vaqora Chemicals. The compound has the formula C11H16O5S, corresponding to a molecular weight of 260.31 g/mol. Common synonyms include Tos-PEG2-OH and PEG3-Tos.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Analytical teams use this compound to identify metabolites and degradants, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate
Catalogue No.	VQ-051841
CAS Number	118591-58-5
IUPAC name	2-(2-hydroxyethoxy)ethyl 4-methylbenzenesulfonate
Molecular formula	C₁₁H₁₆O₅S
Molecular weight	260.31 g/mol
Exact mass	260.0718
Grade	Reference Standard
HSN code	38229090
InChIKey	KLDLLRZCWYKJBD-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCOCCO
PubChem CID	11253971

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 5
TPSA	81.2 Å²
Synonyms	Tos-PEG2-OH, Ethanol, 2-(2-hydroxyethoxy)-, 1-(4-Methylbenzenesulfonate), PEG3-Tos, 2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}ethan-1-ol, Tos-PEG2-alcohol, diethylene glycol mono-p-toluenesulfonate, peg2-tos, diethylene glycol monotosylate, HO-PEG-Tos, MW 1,000, HO-PEG-Tos, MW 3,400, HO-PEG-Tos, MW 5,000, Diethylene glycol p-toluenesulfonate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate?

The CAS Registry Number of 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate is 118591-58-5. It is also known as Tos-PEG2-OH, Ethanol, 2-(2-hydroxyethoxy)-, 1-(4-Methylbenzenesulfonate), PEG3-Tos.

What is the molecular formula and molecular weight of 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate?

2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate has the molecular formula C11H16O5S and a molecular weight of 260.31 g/mol. Its IUPAC name is 2-(2-hydroxyethoxy)ethyl 4-methylbenzenesulfonate.

Which grade and pack sizes of 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate can I order?

We supply 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate?

Yes. Every lot of 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate be shipped internationally?

Yes. 2-(2-Hydroxyethoxy)ethyl 4-methylbenzenesulfonate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.