C7H5ClO3
172.56 g/mol
Research ReagentDanger
5-CHLOROSALICYLIC ACID
CAS321-14-2EC206-283-9
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
5-Chlorosalicylic acid is an organic compound used as a matrix material for synthetic polymer MALDI mass spectrometry. Its structure features a carboxylic acid group, a phenol group, and a chlorine substituent on an aromatic ring.
Matrix compound for synthetic polymer analysis by MALDI mass spectrometry
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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Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-CHLOROSALICYLIC ACID (CAS 321-14-2) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 29 00
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
5-chloro-2-hydroxybenzoic acid
InChIKey
NKBASRXWGAGQDP-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1Cl)C(=O)O)O
Synonyms (10)
- 5 CSA
- 5-CHLOROSALICYLIC ACID
- 5-ChlorsalicylsA currencyure
- 5-chloro-salicyclic acid
- Salicylic acid, 5-chloro-
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