C21H20O6
368.4 g/mol
Food AdditiveWarning
Curcumin
CAS458-37-7EC207-280-5
Category
Food Additive
Compound Class
Natural Product
Primary Use
Food coloring and flavoring agent
Curcumin is a natural compound that appears as orange-yellow needles. It is primarily known for its use as a food coloring and flavoring agent, and also serves as a reagent in analytical chemistry.
Food coloring and flavoring agent (as turmeric)Boron indicatorAcid-base indicator (pH range 7.4-8.6)
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
SimilarStructure SimilarSimilarity 0.77
Methyl (EZ)-ferulate
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research compound
SimilarStructure SimilarSimilarity 0.74
Ferulic acid
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food preservative and antioxidant
SimilarStructure SimilarSimilarity 0.74
(E/Z)-ferulic acid
CAS1135-24-6
food preservative
SimilarStructure SimilarSimilarity 0.72
Sodium ferulate
CAS24276-84-4
pharmaceutical raw material
ReferenceSame Category
Disodium 5'-inosinate
CAS4691-65-0
flavor enhancer
ReferenceSame Category
Astaxanthin
CAS472-61-7
carotenoid pigment for food and feed coloring
ReferenceSame Category
Campesterol
CAS474-62-4
phytosterol food additive for cholesterol lowering
ReferenceSame Category
Glycocholic acid
CAS475-31-0
Bile acid for fat absorption
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Curcumin (CAS 458-37-7) is 2914.50, 3203.00.
HS code (international, 6-digit)
2914.50, 3203.00
EU CN code (8-digit)
2914 50 00, 3203 00 10
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
(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione
InChIKey
VFLDPWHFBUODDF-FCXRPNKRSA-N
SMILES
COC1=C(C=CC(=C1)/C=C/C(=O)CC(=O)/C=C/C2=CC(=C(C=C2)O)OC)O
Synonyms (78)
- E-100
- Curcumin, United States Pharmacopeia (USP)
- (E/Z)-Curcumin
- C.I. Natural Yellow 3
- CURCUMIN [MART.]
- Cucurmin
- Curcuma
- Curcuma yellow
- Curcumin (Standard)
- Curcumin (synthetic)
- Curcumin I
- Curcumin e100
- Curcumin phytosome
- Curcumin, high purity
- Curcumine
- Curcurmin
- Diferaloylmethane
- Diferuloylmethane
- E 100 (Dye)
- Gelbwurz
- Haidr
- Halad
- Haldar
- Halud
- Hydrastis
- Indian saffron
- Jianghuangsu
- Kacha haldi
- Kurkum
- Kurkumin
- Kurkumin [Czech]
- Lipocurc
- NanoCurc
- Natural yellow 3
- Phytosome, Curcumin
- Safran d'Inde
- Souchet
- Terra Merita
- Tumeric
- Tumeric oleoresin
- Tumeric yellow
- Turmeric Essential Oil
- Turmeric Super Whitening Oil
- Victory 19 Virus Out
- Yellow Ginger
- Yellow puccoon
- Yo-Kin
- Zlut prirodni 3
- Zlut prirodni 3 [Czech]
- curcumin
- curcumin [M+Na]+
- trans,trans-Curcumin
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