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Aldehydes and ketones

Lactaldehyde

Also known as 2-Hydroxypropanal, DL-lactaldehyde, 2-Hydroxypropionaldehyde

CAS 598-35-6Formula C3H6O2Molar mass 74.08 g/molEC 809-415-9
GHS signal word: Warning. Pictograms: Harmful or irritant
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Lactaldehyde chemical structure, C3H6O2, CAS 598-35-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
598-35-6
Formula
C3H6O2
Molar mass
74.08 g/mol
EC number
809-415-9
HS code
291249
Category
Aldehydes and ketones

What is Lactaldehyde?

Plain description, key identifiers and synonyms

Lactaldehyde is a member of the class of propanals obtained by the reduction of the carboxylic group of lactic acid (2-hydroxypropanoic acid). It has a role as a mouse metabolite. It is a member of propanals and a hydroxyaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxypropanal
CAS number
598-35-6 CAS number cross-checked
EC number
809-415-9
Molecular formula
C3H6O2
UNII
S468FB0QE4
InChIKey
BSABBBMNWQWLLU-UHFFFAOYSA-N
InChI
InChI=1S/C3H6O2/c1-3(5)2-4/h2-3,5H,1H3
SMILES (canonical and isomeric)
CC(C=O)O

Synonyms

  • 2-Hydroxypropanal
  • DL-lactaldehyde
  • 2-Hydroxypropionaldehyde
  • Propanal, 2-hydroxy-
  • Racemic-glycerol formal
  • (+-)-2-Hydroxypropanal
  • lactald
  • Alpha-hydroxypropionaldehyde
  • Propanal, 2-hydroxy-, (+-)-
  • Hydroxypropanal
  • Propanal, 2-hydroxy
  • Lactaldehyde, dl-
  • Propanal, 2-hydroxy- (9CI)
  • Lactaldehyde (6CI,7CI,8CI)
  • Propanal, 2-hydroxy-,(2R)-
  • Lactaldehyde, (+/-)-

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
74.08 g/molcalc.
Exact mass
74.0368 Dacalc.
LogP (octanol/water)
-0.43calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • 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.

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

Lactaldehyde suppliers

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Lactaldehyde 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

Roles

  • animal metabolite
  • eukaryotic metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite

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 Lactaldehyde is traded under.

HS 2912.49Indicative HS code

Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…

World exports in 2024
$159M
−9.6% vs 2023, imports $171M
2019 to 2024
Top exporters
  1. China36.7%
  2. India * partner reported27.5%
  3. Germany13.9%
Top importers
  1. China16.0%
  2. United States15.7%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Lactaldehyde, based on the data on this page

What is Lactaldehyde?

Lactaldehyde is a member of the class of propanals obtained by the reduction of the carboxylic group of lactic acid (2-hydroxypropanoic acid). It has a role as a mouse metabolite. It is a member of propanals and a hydroxyaldehyde.

What is the CAS number of Lactaldehyde?

The CAS registry number of Lactaldehyde is 598-35-6.

What is the molecular formula and weight of Lactaldehyde?

The molecular formula of Lactaldehyde is C3H6O2 and its molar mass is 74.08 g/mol.

What is Lactaldehyde used for?

Known uses and roles of Lactaldehyde include animal metabolite, eukaryotic metabolite, mammalian metabolite, metabolite and mouse metabolite.

Is Lactaldehyde hazardous?

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

What is the HS code of Lactaldehyde?

Lactaldehyde is usually classified under HS code 291249 (Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lactaldehyde?

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What is the price of Lactaldehyde?

Suppliers quote Lactaldehyde 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 Lactaldehyde

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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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