C6H4Na2O8S2
314.2 g/mol
Industrial ChemicalWarning
TIRON
CAS149-45-1EC205-741-5
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Chelating agent for trace metals
Tiron is an organic molecular entity used as a chelating agent for trace metals. It is also a minor component in photo processing chemicals and serves as a reagent for metal determination in analytical chemistry.
Chelating agent for trace metal determinationMinor component in photographic processing chemicals
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
2-ethylhexanoic acid
CAS149-57-5
Chemical intermediate for plasticizers and driers
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Methyl orthoformate
CAS149-73-5
orthoester reagent and solvent
ReferenceSame Category
Gallic acid
CAS149-91-7
antioxidant, tanning agent, dyeing intermediate
ReferenceSame Category
Iron(3+) sodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate--water (1/1/1/1)
CAS149022-26-4
chelating agent for metal ions
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for TIRON (CAS 149-45-1) is 2908.99.
HS code (international, 6-digit)
2908.99
EU CN code (8-digit)
2908 99 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
disodium;4,5-dihydroxybenzene-1,3-disulfonate
InChIKey
ISWQCIVKKSOKNN-UHFFFAOYSA-L
SMILES
C1=C(C=C(C(=C1O)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonyms (27)
- SDD
- TIRON
- Sodium catechol sulfate
- Tiferron
- Tiron, p.a.
- sodium catechol disulfonate
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