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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:
IUPAC name:
2-hydroxy-5-sulfobenzoic acid

Inventory

EC number:
202-555-6
EC name:
5-sulphosalicylic acid
CAS number:
97-05-2
CAS number:
97-05-2
Synonyms
Names:
Benzoic acid, 2-hydroxy-5-sulfo-
Identifier:
CAS number
5965-83-3
Identifier:
IUPAC name
2-hydroxy-5-sulfobenzoic acid
Identifier:
IUPAC name
2-hydroxy-5-sulfobenzoic acid dihydrate
Identifier:
IUPAC name
5-sulphosalicylic acid
Identifier:
IUPAC name
5-sulphosalicylic acid dihydrate
Identifier:
IUPAC name
Benzoic acid, 2-hydroxy-5-sulfo-
Identifier:
other: SMILES notation
OC(=O)c1cc(ccc1O)S(=O)(=O)O.[OH2].[OH2]
Identifier:
other: Molecular formula
C7H6O6S*2H20
Identifier:
other: Molecular formula
C₇H₆O₆S * 2 H₂O
Identifier:
other: SMILES notation
OC(=O)c1cc(ccc1O)S(=O)(=O)O.[OH2].[OH2]
Identifier:
other: SMILES notation
Oc1ccc(cc1C(=O)O)S(O)(=O)=O
2-hydroxy-5-sulfobenzoic acid

Molecular and structural information

Molecular formula:
C7H6O6S
Molecular weight:
218.184
SMILES notation:
OC(=O)c1cc(ccc1O)S(=O)(=O)O
InChl:
InChI=1/C7H6O6S/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10/h1-3,8H,(H,9,10)(H,11,12,13)
Structural formula:
Chemical structure

Related substances

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Identifier:
CAS number
Identity:
5965-83-3
Identifier:
CAS number
Identity:
5965-83-2