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Esters and lactones

2-Hydroxyethyl lactate

Also known as 2-hydroxyethyl 2-hydroxypropanoate, Propanoic acid, 2-hydroxy-, 2-hydroxyethyl ester, hydroxyethyl lactate

CAS 29671-83-8Formula C5H10O4Molar mass 134.13 g/molEC 249-764-9
GHS signal word: Warning. Pictograms: Harmful or irritant
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2-Hydroxyethyl lactate chemical structure, C5H10O4, CAS 29671-83-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
29671-83-8
Formula
C5H10O4
Molar mass
134.13 g/mol
EC number
249-764-9
HS code
291811
Category
Esters and lactones

What is 2-Hydroxyethyl lactate?

Plain description, key identifiers and synonyms

2-Hydroxyethyl lactate is a chemical substance with the molecular formula C5H10O4 and a molar mass of 134.13 g/mol. Its CAS registry number is 29671-83-8. The IUPAC name is 2-hydroxyethyl 2-hydroxypropanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyethyl 2-hydroxypropanoate
CAS number
29671-83-8 CAS number cross-checked
EC number
249-764-9
Molecular formula
C5H10O4
InChIKey
YVOWOLLEVWDWOH-UHFFFAOYSA-N
InChI
InChI=1S/C5H10O4/c1-4(7)5(8)9-3-2-6/h4,6-7H,2-3H2,1H3
SMILES (canonical and isomeric)
CC(C(=O)OCCO)O

Synonyms

  • 2-hydroxyethyl 2-hydroxypropanoate
  • Propanoic acid, 2-hydroxy-, 2-hydroxyethyl ester
  • hydroxyethyl lactate
  • 2-hydroxyethyl2-hydroxypropanoate

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
134.13 g/molcalc.
Exact mass
134.0579 Dacalc.
LogP (octanol/water)
-1.1calc.
Topological polar surface area
66.76 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
1calc.
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

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

2-Hydroxyethyl lactate suppliers

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2-Hydroxyethyl lactate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 2-Hydroxyethyl lactate is traded under.

HS 2918.11Indicative HS code

Lactic acid, its salts and esters

World exports in 2024
$635M
+9.6% vs 2023, imports $719M
2019 to 2024
Top exporters
  1. China22.0%
  2. Thailand20.0%
  3. Spain11.4%
Top importers
  1. United States11.6%
  2. Spain10.3%
  3. Germany7.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Hydroxyethyl lactate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Hydroxyethyl lactate, based on the data on this page

What is 2-Hydroxyethyl lactate?

2-Hydroxyethyl lactate is a chemical substance with the molecular formula C5H10O4 and a molar mass of 134.13 g/mol. Its CAS registry number is 29671-83-8. The IUPAC name is 2-hydroxyethyl 2-hydroxypropanoate.

What is the CAS number of 2-Hydroxyethyl lactate?

The CAS registry number of 2-Hydroxyethyl lactate is 29671-83-8.

What is the molecular formula and weight of 2-Hydroxyethyl lactate?

The molecular formula of 2-Hydroxyethyl lactate is C5H10O4 and its molar mass is 134.13 g/mol.

What is 2-Hydroxyethyl lactate used for?

Known uses and roles of 2-Hydroxyethyl lactate include building blocks in research and laboratory.

Is 2-Hydroxyethyl lactate hazardous?

2-Hydroxyethyl lactate carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Hydroxyethyl lactate?

2-Hydroxyethyl lactate is usually classified under HS code 291811 (Lactic acid, its salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Hydroxyethyl lactate?

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What is the price of 2-Hydroxyethyl lactate?

Suppliers quote 2-Hydroxyethyl lactate 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 2-Hydroxyethyl lactate

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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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