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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

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IUPAC name:
citric acid

Inventory

EC number:
201-069-1
EC name:
Citric acid
CAS number:
77-92-9
CAS number:
77-92-9
Synonyms
Names:
1,2,3-Propanetricarboxylic acid, 2-hydroxy-

Molecular and structural information

Molecular formula:
C6H8O7
Molecular weight:
192.124
SMILES notation:
OC(=O)CC(O)(CC(=O)O)C(=O)O
InChl:
InChI=1/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
Structural formula:
Chemical structure

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