C22H42O6
402.6 g/mol
Food AdditiveWarning
Span 40
CAS26266-57-9EC247-568-8
Category
Food Additive
Compound Class
Ester
Primary Use
Emulsifier and surfactant
Span 40 is a nonionic surfactant and emulsifier commonly used in the food industry. It helps stabilize emulsions by reducing surface tension between oil and water phases.
emulsifier for food productsstabilizer in oil-in-water emulsions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
Sorbitan monolaurate
CAS1338-39-2
emulsifier and surfactant
StrongStructure SimilarSimilarity 1.00
Sorbitan monostearate
CAS1338-41-6
emulsifier and stabilizer in foods
StrongStructure SimilarSimilarity 0.87
Sorbitan monooleate
CAS1338-43-8
Nonionic surfactant emulsifier
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Carbonyl compound and food ingredient
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Span 40 (CAS 26266-57-9) is 2932.19.
HS code (international, 6-digit)
2932.19
EU CN code (8-digit)
2932 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
[(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate
InChIKey
IYFATESGLOUGBX-YVNJGZBMSA-N
SMILES
CCCCCCCCCCCCCCCC(=O)OC[C@H]([C@@H]1[C@@H]([C@H](CO1)O)O)O
Synonyms (36)
- E-495
- Palmitate de sorbitan [INN-French]
- Palmitato de sorbitano [INN-Spanish]
- Sorbitani palmitas [INN-Latin]
- Arlacel 40
- Crill 2
- Emsorb 2510
- Glycomul P
- INS NO.495
- Liposorb P
- Montane 40
- Nikkol SP10
- Nissan nonion PP 40R
- Nissan nonion PP40
- Nonion PP40
- Palmitate de sorbitan
- Palmitato de sorbitan
- Palmitato de sorbitano
- Protachem SMP
- Rheodol SP-P 10
- SORBITAN MONOPALMITATE
- SORBITAN PALMITATE [MART.]
- SORBITAN, MONOHEXADECANOATE
- Sorbitan palmitas
- Sorbitan palmitate
- Sorbitani palmitas
- Sorgen 70
- Span 40
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