Chromotropic acid disodium salt, EP/Ph. Eur., ACS, AR
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About Chromotropic acid disodium salt, EP/Ph. Eur., ACS, AR
Chromotropic acid disodium salt, EP/Ph. Eur., ACS, AR is part of the Zemixal sulfur Compounds (Thiols, Sulfides, Sulfonates) range. For your records (EP/Ph. Eur. / ACS / AR), the material is defined by CAS 5808-22-0, formula C10H10Na2O10S2 and molar mass 400.3 g/mol.
Common uses in the lab and plant
- Analytical determinations
- Organic synthesis
Storage and safety notes
It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 g and 25 g, and custom quantities are quoted on request. 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
- Analytical determinations
- Organic synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Chromotropic acid disodium salt, EP/Ph. Eur., ACS, AR |
|---|---|
| Catalogue number | ZX-038598 |
| CAS number | 5808-22-0 |
| IUPAC name | disodium;4,5-dihydroxynaphthalene-2,7-disulfonate;dihydrate |
| Molecular formula | C10H10Na2O10S2 |
| Molar mass | 400.3 g/mol |
| Exact mass | 399.9511 |
| Grade | EP/Ph. Eur. / ACS / AR |
| H-bond donors / acceptors | 4 / 10 |
| Topological polar surface area | 174 Ų |
| HS code | 29089990 |
| InChIKey | QUEAKWJKJBFNEG-UHFFFAOYSA-L |
| SMILES | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+] |
| PubChem CID | 2723846 |
| Synonyms | Chromotropic acid disodium salt dihydrate, Disodium chromotropate dihydrate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt, hydrate (1:2:2), 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt, dihydrate, Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate, Disodium 4,5-dihydroxynaphthalene-2,7-disulfonate Dihydrate, Chromotropic acid disodium dihydrate, 4.5-Dihydroxy-2.7-naphthalene disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt, hydrate (1:2:2), CHROMOTROPIC ACID, Na, REAG, Chromotropic acid, disodium salt dihydrate |
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
| 10 g | Quoted on request | |
| 25 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Chromotropic acid disodium salt, EP/Ph. Eur., ACS, AR
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