MolGraph
CompoundsDocumentationComplianceAbout
MolGraph

Research chemical sourcing and molecular building block RFQ workflows.

MolGraph is operated by Tessorix Inc.

support@molgraph.com

Products are intended for laboratory research use only and are not for human or veterinary use.

Compounds

  • Compound catalog
  • In-stock with prices
  • Research applications
  • Catalog data snapshot
  • Patent compound sourcing
  • Request Quote

Categories

  • Protected amines
  • Boronic acids
  • Fluorinated building blocks
  • Heterocycles
  • Pharmaceutical intermediates
  • Custom synthesis

Company

  • About
  • Contact

Documentation

  • Quality Documentation
  • SDS Disclaimer

Compliance

  • Compliance

Legal

  • Returns & Refunds
  • Terms
  • Privacy

Copyright © 2026 MolGraph. All Rights Reserved.

Home/Compounds/CAS 31521-83-2/Safety Reference
CAS 31521-83-2Preliminary Safety ReferenceNot a supplier-issued SDSSupplier SDS by request

CAS 31521-83-2 Safety Reference and Supplier SDS Request

2-(2-(2-Methoxyethoxy)ethoxy)ethanethiol

Back to CAS detail

Preliminary reference disclaimer

This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.

Documentation status

Preliminary safety reference

Available

Supplier-issued SDS

Available by request

COA

Available by RFQ / lot confirmation

Transport classification

Requires shipment review

Identity

CAS Number

31521-83-2

Chemical name

2-(2-(2-Methoxyethoxy)ethoxy)ethanethiol

Molecular formula

C7H16O3S

Molecular weight

180.27 g/mol

Synonyms

m-PEG3-thiol; mPEG3-SH; m-PEG3-SH; 2-[2-(2-methoxyethoxy)ethoxy]-ethanethiol; mPEG3-thiol; 2-(2-(2-methoxyethoxy)ethoxy)ethane-1-thiol

InChIKey

DMFFSDWRRLCKKN-UHFFFAOYSA-N

PubChem CID

11063015

Hazard / GHS Reference

Signal word

Danger

Catalog reference cue; confirm supplier documentation before use.

Hazard statements

H302, H319, H332, H372, H400

Catalog reference cue; confirm supplier documentation before use.

Handling & PPE

  • Keep container tightly closed and dry. Store in a well-ventilated place. Recommended storage conditions: sealed, dry, room temperature
  • Remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional organization with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging is to be disposed of as unutilized product.

First Aid / Accidental Release

  • Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
  • If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
  • Rinse with plenty of water for at least 15 minutes and consult a physician.
  • Wash with soap and plenty of water. Consult a physician.
  • Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
  • Use personal protective equipment and emergency procedures. Avoid dust generation. Avoid inhalation of vapors, mists or gases. Ensure adequate ventilation. Evacuate personnel to a safe area. Avoid inhalation of dust. See
  • Do not allow the product to enter drains.
  • Remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional organization with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging is to be disposed of as unutilized product.

Firefighting / Stability

  • Use self-contained breathing apparatus if necessary.
  • Reactivity and reaction
  • Carbon monoxide, carbon dioxide, sulfur oxides

Physical and Chemical Reference

XLogP

-0.1

Catalog reference value; verify against supplier SDS before use.

Transport / Shipment Review

Shipment review

Shipment details require review before fulfillment.

Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.

  • Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.

Need supplier documentation?

Request through MolGraph:

  • Supplier-issued SDS
  • COA
  • Purity and pack size confirmation
  • Availability and lead time review
  • Shipment documentation review

Catalog-Specific Reference Cues

  • 2-(2-(2-Methoxyethoxy)ethoxy)ethanethiol (CAS 31521-83-2) is listed in the Advanced Chemicals portfolio, with molecular formula C7H16O3S and molecular weight 180.27 g/mol.
  • Intended for research building-block and synthetic chemistry workflows.

Related catalog entries

Related public CAS links are not available for this reference page.

MolGraph Preliminary Safety Reference - Not a supplier-issued SDS. This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.