Tiron, GR
Tiron, GR (CAS 149-45-1) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About Tiron, GR
Tiron, GR sits in our indicators, Chelating Agents & Test Papers section and ships worldwide from stock or short lead time. Identity at a glance (AR): CAS 149-45-1, formula C6H4Na2O8S2 and molar mass 314.2 g/mol. It is described as white to off-white to grey powder.
Common uses in the lab and plant
- Titration end-point detection
- pH determination
- Analytical testing
Storage and safety notes
Physical constants on file: melting point >300 °C. It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Available as 5 g, 10 g, 25 g, 100 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
Applications
Grade guides
Specifications and identifiers
| Product name | Tiron, GR |
|---|---|
| Catalogue number | ZX-000417 |
| CAS number | 149-45-1 |
| IUPAC name | disodium;4,5-dihydroxybenzene-1,3-disulfonate |
| Molecular formula | C6H4Na2O8S2 |
| Molar mass | 314.2 g/mol |
| Exact mass | 313.9143 |
| Grade | AR |
| Physical form | Powder |
| Appearance | White to off-white to grey powder |
| Melting point | >300 °C |
| H-bond donors / acceptors | 2 / 8 |
| Topological polar surface area | 172 Ų |
| HS code | 29081900 |
| InChIKey | ISWQCIVKKSOKNN-UHFFFAOYSA-L |
| SMILES | C1=C(C=C(C(=C1O)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
| PubChem CID | 9001 |
| Synonyms | 4,5-Dihydroxy-1,3-benzenedisulfonic acid disodium salt, 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, 1,2-Dihydroxy-3,5-benzenedisulfonic acid disodium salt, di-Sodium 4,5-dihydroxy-1,3-benzenedisulfonate, Sodium pyrocatechol-3,5-disulfonate, Disodium 4,5-dihydroxybenzene-1,3-disulfonate, Sodium 4,5-dihydroxybenzene-1,3-disulfonate, Sodium catechol sulfate, Disodium pyrocatechol-3,5-disulfonate, sodium catechol disulfonate, 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt, 3,5-Disulfocatechol disodium salt |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 10 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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