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Carboxylic acids and anhydrides

2-Acetoxypropionic acid

Also known as Acetolactate, alpha-acetolactate, 2-Acetoxypropanoic acid

CAS 535-17-1Formula C5H8O4Molar mass 132.12 g/molEC 609-562-7
GHS signal word: Warning. Pictograms: Harmful or irritant 6 suppliers listed
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2-Acetoxypropionic acid chemical structure, C5H8O4, CAS 535-17-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
535-17-1
Formula
C5H8O4
Molar mass
132.12 g/mol
EC number
609-562-7
HS code
291811
Category
Carboxylic acids and anhydrides

What is 2-Acetoxypropionic acid?

Plain description, key identifiers and synonyms

2-Acetoxypropionic acid is a chemical substance with the molecular formula C5H8O4 and a molar mass of 132.12 g/mol. Its CAS registry number is 535-17-1. The IUPAC name is 2-acetyloxypropanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-acetyloxypropanoic acid
CAS number
535-17-1Other or deprecated CAS: 3853-80-3
EC numbers
609-562-7, 663-442-9
Molecular formula
C5H8O4
UNII
9QA2F3GU47
MDL number
MFCD00674491
InChIKey
WTLNOANVTIKPEE-UHFFFAOYSA-N
InChI
InChI=1S/C5H8O4/c1-3(5(7)8)9-4(2)6/h3H,1-2H3,(H,7,8)
SMILES (canonical and isomeric)
CC(C(=O)O)OC(=O)C

Synonyms

  • Acetolactate
  • alpha-acetolactate
  • 2-Acetoxypropanoic acid
  • (+/-)-2-Acetoxypropionic acid
  • Acetyllactic acid
  • O-Acetyllactic acid
  • alpha-Acetoxypropionic acid
  • 2-acetyloxypropanoic acid
  • Propanoic acid, 2-(acetyloxy)-
  • 2-(acetyloxy)propanoic acid
  • Lactic acid, acetate
  • 2-AcetoxypropionicAcid
  • 2-Acetoxypropanoicacid
  • DL-O-Acetyllactic acid
  • 2-acetoxy propionic acid
  • 2-acetoxy-propionic acid
  • Lactic acid, acetate (8CI)
  • ( inverted exclamation markA)-2-Acetoxypropionic acid
  • Propanoic acid, 2-(acetyloxy)
  • (+/-)-a-Acetoxypropionic acid
  • (S)-(-)-2-acetoxypropanoic acid
  • (+/-)-alpha-Acetoxypropionic acid
  • 2-Acetoxypropanoic acid, (+/-)-
  • Propanoic acid, 2-(acetyloxy)-, (R)-
  • (+/-)-2-Acetoxypropionic acid, >=97.0% (GC)

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
132.12 g/molcalc.
Exact mass
132.0423 Dacalc.
LogP (octanol/water)
0.02calc.
Topological polar surface area
63.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
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.
  • 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

2-Acetoxypropionic acid suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
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Where suppliers are based

6 suppliers in 4 countries

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2-Acetoxypropionic acid 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-Acetoxypropionic acid 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-Acetoxypropionic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Acetoxypropionic acid, based on the data on this page

What is 2-Acetoxypropionic acid?

2-Acetoxypropionic acid is a chemical substance with the molecular formula C5H8O4 and a molar mass of 132.12 g/mol. Its CAS registry number is 535-17-1. The IUPAC name is 2-acetyloxypropanoic acid.

What is the CAS number of 2-Acetoxypropionic acid?

The CAS registry number of 2-Acetoxypropionic acid is 535-17-1. Other or deprecated CAS numbers: 3853-80-3.

What is the molecular formula and weight of 2-Acetoxypropionic acid?

The molecular formula of 2-Acetoxypropionic acid is C5H8O4 and its molar mass is 132.12 g/mol.

What is 2-Acetoxypropionic acid used for?

Known uses and roles of 2-Acetoxypropionic acid include building blocks in research and laboratory.

Is 2-Acetoxypropionic acid hazardous?

2-Acetoxypropionic acid 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 2-Acetoxypropionic acid?

2-Acetoxypropionic acid 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-Acetoxypropionic acid?

CompoundList lists 6 suppliers of 2-Acetoxypropionic acid in Canada, China, Germany and Ukraine. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Acetoxypropionic acid?

Suppliers quote 2-Acetoxypropionic acid 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-Acetoxypropionic acid

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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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