C55H72MgN4O5
893.5 g/mol
Food AdditiveDanger
Chlorophyll a
CAS479-61-8EC207-536-6
Category
Food Additive
Compound Class
Natural Product
Primary Use
natural green colorant for food
Chlorophyll a is a natural green pigment that serves as a colorant in food products. It is the primary photosynthetic pigment in plants and is commonly extracted for use as a natural food additive.
natural green colorant for foodleather tanning and processingphotographic processing
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
ReferenceSame Category
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antimicrobial surfactant
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Isoflavone dietary supplement ingredient
ReferenceSame Category
Dehydroascorbic acid
CAS490-83-5
oxidized form of vitamin C
ReferenceSame Category
Α-D-glucopyranose
CAS492-62-6
sweetener and energy source
Safety Reference
Danger
H304May be fatal if swallowed and enters airways
Customs Tariff Classification
The international HS code for Chlorophyll a (CAS 479-61-8) is 3203.00.
HS code (international, 6-digit)
3203.00
EU CN code (8-digit)
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
magnesium methyl (3R,21S,22S)-16-ethenyl-11-ethyl-12,17,21,26-tetramethyl-4-oxo-22-[3-oxo-3-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enoxy]propyl]-23,25-diaza-7,24-diazanidahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13(25),14,16,18,20(23)-decaene-3-carboxylate
InChIKey
ATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES
CCC1=C(C2=NC1=CC3=C(C4=C([N-]3)C(=C5[C@H]([C@@H](C(=N5)C=C6C(=C(C(=C2)[N-]6)C=C)C)C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C4=O)C(=O)OC)C)C.[Mg+2]
Synonyms (10)
- Chlorophyll A, United States Pharmacopeia (USP)
- Chlorophyll a, from spinach
- chlorophyll a
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