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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

Chromotropic acid sodium salt

SynthesisAvailable on request

Buy Chromotropic acid sodium salt (CAS 5808-22-0) from Zemixal: C10H10Na2O10S2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Chromotropic acid sodium salt chemical structure
CAS number5808-22-0
FormulaC10H10Na2O10S2
Molar mass400.3 g/mol
Physical formSolid
HS code29089990
Purity95%
InChIKeyQUEAKWJKJBFNEG-UHFFFAOYSA-L
IUPAC namedisodium;4,5-dihydroxynaphthalene-2,7-disulfonate;dihydrate

About Chromotropic acid sodium salt

Zemixal supplies Chromotropic acid sodium salt within its pharma Intermediates & Building Blocks portfolio. Key data (Synthesis): CAS 5808-22-0, formula C10H10Na2O10S2 and molar mass 400.3 g/mol. Typical appearance is off white to brown solid.

Common uses in the lab and plant

  • Analytical determinations
  • Agrochemical formulations

Safe handling

Literature values: melting point >300 °C. Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 100 g, 1 kg and 4 x 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Analytical determinations
  • Agrochemical formulations

Applications

Agrochemicals and Crop ProtectionPharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Chromotropic acid sodium salt
Product nameChromotropic acid sodium salt
Catalogue numberZX-009897
CAS number5808-22-0
IUPAC namedisodium;4,5-dihydroxynaphthalene-2,7-disulfonate;dihydrate
Molecular formulaC10H10Na2O10S2
Molar mass400.3 g/mol
Exact mass399.9511
GradeSynthesis
Purity / assay95%
Physical formSolid
AppearanceOff white to brown solid
Melting point>300 °C
H-bond donors / acceptors4 / 10
Topological polar surface area174 Ų
HS code29089990
InChIKeyQUEAKWJKJBFNEG-UHFFFAOYSA-L
SMILESC1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+]
PubChem CID2723846
Synonyms1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt, 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, Disodium Chromotropate Dihydrate (Technical Grade), 4.5-Dihydroxy-2.7-naphthalene disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic 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

GHS07 Irritant or harmful
Irritant or harmful

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

Pack sizes of Chromotropic acid sodium salt
100 gQuoted on request
1 kgQuoted on request
4 x 25 kgQuoted 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 sodium salt

Which CAS number identifies Chromotropic acid sodium salt?
Chromotropic acid sodium salt is registered under CAS 5808-22-0. You may also see it listed as 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt, Chromotropic acid disodium salt dihydrate. Our catalogue number for this item is ZX-009897.
What are the formula and molar mass of Chromotropic acid sodium salt?
For Chromotropic acid sodium salt, its formula is C10H10Na2O10S2 and its molar mass is 400.3 g/mol. InChIKey QUEAKWJKJBFNEG-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Chromotropic acid sodium salt?
This listing is Synthesis grade with 95% purity. Standard packs are 100 g, 1 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Chromotropic acid sodium salt?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Chromotropic acid sodium salt to my country?
Yes. Because Chromotropic acid sodium salt is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 5808-22-0

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