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Stains, Fluorescent Dyes & Histology Reagents

SPADNS, extra spezial, GR

ARAvailable on request

SPADNS, extra spezial, GR (CAS 23647-14-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
SPADNS, extra spezial, GR chemical structure
CAS number23647-14-5
FormulaC16H9N2Na3O11S3
Molar mass570.4 g/mol
Physical formPowder
HS code29270090
Purity≥80%
InChIKeyAEHGQXKBQBMQEK-UHFFFAOYSA-K
IUPAC nametrisodium;4,5-dihydroxy-3-[(4-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate

About SPADNS, extra spezial, GR

Zemixal supplies SPADNS, extra spezial, GR within its laboratory Chemicals & Reagents portfolio. For your records (AR), the material is defined by CAS 23647-14-5, formula C16H9N2Na3O11S3 and molar mass 570.4 g/mol. It is described as brown to maroon brown to purple powder.

Where it is used

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 25 g, 500 g and 1 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Applications

Diagnostics, Life Science and BiotechResearch Labs and UniversitiesTextiles, Dyes and Leather

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of SPADNS, extra spezial, GR
Product nameSPADNS, extra spezial, GR
Catalogue numberZX-000708
CAS number23647-14-5
IUPAC nametrisodium;4,5-dihydroxy-3-[(4-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate
Molecular formulaC16H9N2Na3O11S3
Molar mass570.4 g/mol
Exact mass569.9062
GradeAR
Purity / assay≥80%
Physical formPowder
AppearanceBrown to maroon brown to purple powder
H-bond donors / acceptors2 / 13
Topological polar surface area262 Ų
HS code29270090
InChIKeyAEHGQXKBQBMQEK-UHFFFAOYSA-K
SMILESC1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
PubChem CID90221
SynonymsSulfanilic acid azochromotrop, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt, 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt, 2-(4-Sulfophenylazo)chromotropic acid trisodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt, Trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-sulfophenyl)azo)-, trisodium salt, 2(4Sulfophenylazo)chromotropic acid trisodium salt, 4,5Dihydroxy32,7naphthalenedisulfonic acid trisodium salt, 4,5Dihydroxy32,7naphthalenedisulfonic acid sodium salt (1:3), Trisodium 2(psulfophenylazo)1,8dihydroxynaphthalene3,6disulfonate, 1,8Dihydroxy2(4sulfophenylazo)naphthalene3,6disulfonic acid trisodium salt

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 SPADNS, extra spezial, GR
25 gQuoted on request
500 gQuoted on request
1 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 SPADNS, extra spezial, GR

Which CAS number identifies SPADNS, extra spezial, GR?
SPADNS, extra spezial, GR is registered under CAS 23647-14-5. You may also see it listed as Sulfanilic acid azochromotrop, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt, 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt. Our catalogue number for this item is ZX-000708.
What are the formula and molar mass of SPADNS, extra spezial, GR?
For SPADNS, extra spezial, GR, its formula is C16H9N2Na3O11S3 and its molar mass is 570.4 g/mol. InChIKey AEHGQXKBQBMQEK-UHFFFAOYSA-K lets you match it in any structure database.
What grade and pack sizes are available for SPADNS, extra spezial, GR?
This listing is AR grade with ≥80% purity. Standard packs are 25 g, 500 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with SPADNS, extra spezial, GR?
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 SPADNS, extra spezial, GR to my country?
Yes. Because SPADNS, extra spezial, GR 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.

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