Ethylene glycol monotosylate

Name: Ethylene glycol monotosylate
Brand: Vaqora Chemicals
SKU: VQ-027160

About Ethylene glycol monotosylate

Listed under CAS 42772-85-0, Ethylene glycol monotosylate is a metabolite or degradation product of Theophylline available from Vaqora Chemicals. The compound has the formula C9H12O4S, corresponding to a molecular weight of 216.26 g/mol. The IUPAC name is 2-hydroxyethyl 4-methylbenzenesulfonate. Common synonyms include 2-[(4-Methylbenzenesulfonyl)oxy]ethan-1-ol and 2-((4-Methylbenzenesulfonyl)oxy)ethan-1-ol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Analytical teams use this compound to identify metabolites and degradants of Theophylline, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ethylene glycol monotosylate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling
Fine chemical synthesis

Industries

Related to Theophylline

View every impurity, metabolite and intermediate we list for Theophylline.

Theophylline impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethylene glycol monotosylate
Catalogue No.	VQ-027160
CAS Number	42772-85-0
IUPAC name	2-hydroxyethyl 4-methylbenzenesulfonate
Molecular formula	C₉H₁₂O₄S
Molecular weight	216.26 g/mol
Exact mass	216.0456
Grade	Reference Standard
HSN code	38229090
InChIKey	DZVSAHOHDQUFMZ-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCO
PubChem CID	249155

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	1 / 4
TPSA	72 Å²
Synonyms	2-[(4-Methylbenzenesulfonyl)oxy]ethan-1-ol, 2-((4-Methylbenzenesulfonyl)oxy)ethan-1-ol, 2-hydroxyethyl tosylate, 2-(4-Methylphenyl)sulfonyloxyethanol, 1,2-Ethanediol, 1-(4-methylbenzenesulfonate), 2-(4-Toluenesulfonyloxy)ethanol, 2-hydroxyethyl p-toluenesulfonate, Ethylene glycol, p-toluenesulfonate, 2-Hydroxyethyl-4-methyl benzene sulphonate, 1,2-Ethanediol, mono(4-methylbenzenesulfonate), OH-PEG1-Tos, ethylene glycol tosylate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Ethylene glycol monotosylate?

The CAS Registry Number of Ethylene glycol monotosylate is 42772-85-0. It is also known as 2-[(4-Methylbenzenesulfonyl)oxy]ethan-1-ol, 2-((4-Methylbenzenesulfonyl)oxy)ethan-1-ol, 2-hydroxyethyl tosylate.

What is the molecular formula and molecular weight of Ethylene glycol monotosylate?

Ethylene glycol monotosylate has the molecular formula C9H12O4S and a molecular weight of 216.26 g/mol. Its IUPAC name is 2-hydroxyethyl 4-methylbenzenesulfonate.

What is Ethylene glycol monotosylate used for?

Ethylene glycol monotosylate is supplied as a characterised reference material related to Theophylline. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ethylene glycol monotosylate can I order?

We supply Ethylene glycol monotosylate 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 Ethylene glycol monotosylate?

Yes. Every lot of Ethylene glycol monotosylate 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 Ethylene glycol monotosylate be shipped internationally?

Yes. Ethylene glycol monotosylate 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.