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Carboxylic acids and anhydrides

Hydroxy-PEG2-CH2COONa

Also known as sodium 2-[2-(2-hydroxyethoxy)ethoxy]acetate, Hydroxy-PEG2-CH2CO2H, sodium salt

CAS 42588-76-1Formula C6H11NaO5Molar mass 186.14 g/molEC 185-324-1
GHS signal word: Warning. Pictograms: Harmful or irritant
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Hydroxy-PEG2-CH2COONa chemical structure, C6H11NaO5, CAS 42588-76-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
42588-76-1
Formula
C6H11NaO5
Molar mass
186.14 g/mol
EC number
185-324-1
HS code
291899
Category
Carboxylic acids and anhydrides

What is Hydroxy-PEG2-CH2COONa?

Plain description, key identifiers and synonyms

Hydroxy-PEG2-CH2COONa is a chemical substance with the molecular formula C6H11NaO5 and a molar mass of 186.14 g/mol. Its CAS registry number is 42588-76-1. The IUPAC name is sodium 2-[2-(2-hydroxyethoxy)ethoxy]acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium 2-[2-(2-hydroxyethoxy)ethoxy]acetate
CAS number
42588-76-1
EC number
185-324-1
Molecular formula
C6H11NaO5
InChIKey
AJBBUMHAVPXZNS-UHFFFAOYSA-M
InChI
InChI=1S/C6H12O5.Na/c7-1-2-10-3-4-11-5-6(8)9;/h7H,1-5H2,(H,8,9);/q;+1/p-1
SMILES (canonical and isomeric)
C(COCCOCC(=O)[O-])O.[Na+]

Synonyms

  • sodium 2-[2-(2-hydroxyethoxy)ethoxy]acetate
  • Hydroxy-PEG2-CH2CO2H, sodium salt

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
186.14 g/molcalc.
Exact mass
186.0504 Dacalc.
LogP (octanol/water)
-5.23calc.
Topological polar surface area
78.82 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
7calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Hydroxy-PEG2-CH2COONa suppliers

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Hydroxy-PEG2-CH2COONa price

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hydroxy-PEG2-CH2COONa is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Hydroxy-PEG2-CH2COONa is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hydroxy-PEG2-CH2COONa, based on the data on this page

What is Hydroxy-PEG2-CH2COONa?

Hydroxy-PEG2-CH2COONa is a chemical substance with the molecular formula C6H11NaO5 and a molar mass of 186.14 g/mol. Its CAS registry number is 42588-76-1. The IUPAC name is sodium 2-[2-(2-hydroxyethoxy)ethoxy]acetate.

What is the CAS number of Hydroxy-PEG2-CH2COONa?

The CAS registry number of Hydroxy-PEG2-CH2COONa is 42588-76-1.

What is the molecular formula and weight of Hydroxy-PEG2-CH2COONa?

The molecular formula of Hydroxy-PEG2-CH2COONa is C6H11NaO5 and its molar mass is 186.14 g/mol.

Is Hydroxy-PEG2-CH2COONa hazardous?

Hydroxy-PEG2-CH2COONa carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hydroxy-PEG2-CH2COONa?

Hydroxy-PEG2-CH2COONa is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydroxy-PEG2-CH2COONa?

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What is the price of Hydroxy-PEG2-CH2COONa?

Suppliers quote Hydroxy-PEG2-CH2COONa on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hydroxy-PEG2-CH2COONa

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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