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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 5280899Generated: October 23, 2026

Zeaxanthin

ZEAXANTHINE · Zeaxanthol · Anchovyxanthin · ALL-TRANS-ZEAXANTHIN · (3R,3'R)-beta,beta-Carotene-3,3'-diol · .beta.,.beta.-Carotene-3,3-diol, (3R,3R)- · ZEAXANTHIN · MAIZE YELLOW

https://huagongshe.com/en/chemical/5280899

Zeaxanthin molecular structure

Identifiers & Physical Properties

CAS No.144-68-3
Molecular formulaC40H56O2
Average molar mass568.9 g/mol
Monoisotopic mass568.42803103 g/mol
SMILESCC1=C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2=C(C)C[C@@H](O)CC2(C)C)C(C)(C)C[C@H](O)C1
InChIKeyJKQXZKUSFCKOGQ-QAYBQHTQSA-N
PubChem CID5280899
ChEMBLCHEMBL2359248
ChEBICHEBI:27547
EC No.205-636-4
DTXSIDDTXSID5046807

Chemical & Physical Properties

XLogP10.9
Topological polar surface area40.5
Hydrogen bond donors2
Hydrogen bond acceptors2
Rotatable bonds10
Heavy atoms42
Formal charge0
Complexity1,190
DrugsPharmaceuticals -> Listed in ZINC15
LipidsLipids -> Prenol Lipids [PR] -> Isoprenoids [PR01] -> C40 isoprenoids (tetraterpenes) [PR0107]
Melting point215.5 °C203-2050C
Physical DescriptionSolid
Boiling point572.66°C (rough estimate)
Density0.9944 (rough estimate)
Refractive index1.5250 (estimate)
Storage conditionsInert atmosphere,Store in freezer, under -20°C
SolubilityChloroform (Slightly), Methanol (Slightly)
pKa (acidity coefficient)14.60±0.70(Predicted)
Physical stateSolid
ColorLight Orange to Very Dark Red
OdorSpecial Odor
StabilityLight Sensitive, Temperature Sensitive
Major applicationscleaning productscosmeticsfood and beveragespersonal care
Cosmetics Ingredients FunctionsANTIOXIDANT
InChIKeyJKQXZKUSFCKOGQ-SLJWWQRENA-N
SMILESC1(/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C2C(C)(C)C[C@H](O)CC=2C)C(C)(C)C[C@H](O)CC=1C |&1:28,37,r|
LogP (partition coefficient)14.950 (est)
CAS DataBase Reference144-68-3(CAS DataBase Reference)
EWG's Food Scores1
FDA UNIICV0IB81ORO
UNSPSC Code85151701
NACRESNA.24
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH319-H335-H315
GHS precautionary statementsP302+P352-P305+P351+P338-P362+P364
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)-
F3-8-10
Customs code29062990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 95% (113 of 119) of all reports.Not ClassifiedAggregated GHS information provided per 119 reports by companies from 2 notifications to the ECHA C&L Inventory.
Regulatory informationRegulation (EC) No 178/2002 (amended).beta.,.beta.-Carotene-3,3'-diol, (3R,3'R)-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesNot Classified
F3-8-10
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)-
Customs code29062990
Signal wordWarning
GHS pictogramGHS07
Storage class11 - Combustible Solids
GHS hazard statementsH319-H335-H315
GHS precautionary statementsP302+P352-P305+P351+P338-P362+P364

Applications & Uses

Uses

It is one of the two carotenoids contained within the retina.