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Food additives, sugars and sweeteners

Sucralose vs aspartame

Sucralose (C12H19Cl3O8, CAS 56038-13-2) and aspartame (C14H18N2O5, CAS 22839-47-0) are both listed under sweeteners.

Sucralose has a molar mass of 397.64 g/mol, aspartame 294.31 g/mol.

Measured melting points are 130 °C for sucralose and 246.5 °C for aspartame.

On CompoundList, 269 suppliers list sucralose and 141 suppliers list aspartame.

Data last updated 7 October 2026

Sucralose and aspartame compared side by side
Sucralose chemical structure, C12H19Cl3O8, CAS 56038-13-2
Sucralose
Aspartame chemical structure, C14H18N2O5, CAS 22839-47-0
Aspartame
Identity
Name in our databaseSucraloseAspartame
CAS number56038-13-222839-47-0
Molecular formulaC12H19Cl3O8C14H18N2O5
Molar mass397.64 g/mol294.31 g/mol
IUPAC name(2R,3R,4R,5R,6R)-2-[(2R,3S,4S,5S)-2,5-bis(chloromethyl)-3,4-dihydroxyoxolan-2-yl]oxy-5-chloro-6-(hydroxymethyl)oxane-3,4-diol(3S)-3-amino-4-[[(2S)-1-methoxy-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoic acid
EC number259-952-2245-261-3
Physical properties
AppearanceWhite to off white, crystalline powderColorless needles from water
Melting point130 °C246.5 °C
SolubilityFreely soluble in water, methanol and ethanol, Slightly soluble in ethyl acetateMore soluble in acidic solutions and hot water, slightly soluble in alcohol, very slightly soluble in chloroform, practically insoluble in oils.
LogP (octanol/water)Computed from the structure-1.66-0.31
Safety (GHS)
Signal wordNot recordedNone
PictogramsNot recordedNone
Hazard statementsNot recordedNo hazard statements recorded
Uses and classification
Uses and functions
  • Skin conditioning agents
  • Sweeteners
  • Additive
  • Environmental contaminant
  • Flavouring agent
  • Food additive
  • Sweeteners
  • Flavors
  • Flavoring agents
  • Additive
  • Apoptosis inhibitor
  • Environmental contaminant
CategoryFood and feed additives › SweetenersFood and feed additives › Sweeteners
HS code293214Sucralose292429Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other
Market on CompoundList
Suppliers269 suppliers141 suppliers
Supplier countries36 countries, most in China, United States, India17 countries, most in China, United States, India
Price rangeOnly prices set by suppliers who manage their own profilePrice on requestPrice on request

Measured and computed values as shown on each chemical page, plus live listings on CompoundList. Details may have changed, please confirm them with the supplier. Safety data is a summary, not an SDS.

Sucralose
Aspartame

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