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Polymers and thermoplastics

Lactide

Also known as Dilactide, p-Dioxane-2,5-dione, 3,6-dimethyl-, 3,6-Dimethyl-1,4-dioxane-2,5-dione

CAS 95-96-5Formula C6H8O4Molar mass 144.13 g/molEC 202-468-3
GHS signal word: Warning. Pictograms: Harmful or irritant 44 suppliers listed
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Lactide chemical structure, C6H8O4, CAS 95-96-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
95-96-5
Formula
C6H8O4
Molar mass
144.13 g/mol
EC number
202-468-3
HS code
293220
Category
Polymers and thermoplastics

What is Lactide?

Plain description, key identifiers and synonyms

Lactide is a member of dioxanes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,6-dimethyl-1,4-dioxane-2,5-dione
CAS number
95-96-5 CAS number cross-checkedOther or deprecated CAS: 33135-50-1
EC numbers
202-468-3, 608-832-1
Molecular formula
C6H8O4
UNII
7EH08MWO6M
MDL number
MFCD00011685
INCI name
LACTIDE
InChIKey
JJTUDXZGHPGLLC-UHFFFAOYSA-N
InChI
InChI=1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3
SMILES (canonical and isomeric)
CC1C(=O)OC(C(=O)O1)C

Synonyms

  • Dilactide
  • p-Dioxane-2,5-dione, 3,6-dimethyl-
  • 3,6-Dimethyl-1,4-dioxane-2,5-dione
  • DL-Lactide
  • DL-Dilactide
  • 1,4-Dioxane-2,5-dione, 3,6-dimethyl-
  • 3,6-Dimethyl-2,5-dioxo-1,4-dioxane
  • Lactic acid, bimol. cyclic ester
  • Propanoic acid, 2-hydroxy-, bimol. cyclic ester
  • Lactide, dl-
  • p-Dioxane-2, 3,6-dimethyl-
  • Purasorb DL, dl-Dilactide, rac-Lactide
  • L-Lactide homopolymer
  • 2,5-Dimethyl-3,6-dioxo-1,4-dioxane
  • Resomer R208
  • lactid
  • rac-lactide
  • Dimethylglycolide
  • d,l-Lactide
  • d,l-Lactide s
  • (3S,6S)-(-)-3,6-Dimethyl-1,4-dioxane-2,5-dione
  • 3,5-dioxo-1,4-dioxane
  • 1,5-dione, 3,6-dimethyl-
  • Propanoic acid, bimol. cyclic ester
  • Resomer? R 202 H, Poly(D,L-lactide)
Show all 28 synonyms
  • 3,6-Dimethyl-p-dioxane-2,5-dione
  • DL-Dilactide, 3,6-Dimethyl-1,4-dioxane-2,5-dione
  • DL-Dilactide, , 3,6-Dimethyl-1,4-dioxane-2,5-dione

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
144.13 g/molcalc.
Exact mass
144.0423 Dacalc.
LogP (octanol/water)
-0.14calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1COC(=O)CO1

O=C1COC(=O)CO1

1 ring, 8 atoms, the Glycolide ring system.

31 other chemicals share this scaffold

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

Lactide suppliers

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

All 44 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

44 suppliers in 9 countries

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Lactide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Intermediate.

Consumer uses: Intermediate, Filler.

Cosmetic ingredient, INCI name LACTIDE(abrasive, skin conditioning)

Functional uses

  • Abrasive
  • Binder
  • Softener and conditioner

Cosmetic functions

  • Abrasive
  • Skin conditioning

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Lactide is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Lactide?

Lactide is a member of dioxanes.

What is the CAS number of Lactide?

The CAS registry number of Lactide is 95-96-5. Other or deprecated CAS numbers: 33135-50-1.

What is the molecular formula and weight of Lactide?

The molecular formula of Lactide is C6H8O4 and its molar mass is 144.13 g/mol.

What is Lactide used for?

Industrial uses: Intermediate. Consumer uses: Intermediate, Filler.

Is Lactide hazardous?

Lactide 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 Lactide?

Lactide is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lactide?

CompoundList lists 44 suppliers of Lactide in China, United States, United Kingdom, Japan and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lactide in India?

1 supplier in India list Lactide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lactide?

Suppliers quote Lactide 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 Lactide

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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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