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Stains, Fluorescent Dyes & Histology Reagents

SPADNS, extra spezial

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Order SPADNS, extra spezial (CAS 23647-14-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 25 g.

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

About SPADNS, extra spezial

Researchers and plant chemists source SPADNS, extra spezial from Zemixal for routine and specialised work. Identity at a glance: CAS 23647-14-5, formula C16H9N2Na3O11S3 and molar mass 570.4 g/mol.

Where it is used

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories

Safe handling

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

Standard pack sizes are 25 g, 100 g and 500 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories

Applications

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

Specifications and identifiers

Specifications of SPADNS, extra spezial
Product nameSPADNS, extra spezial
Catalogue numberZX-038119
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
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
Synonyms2,7-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, 2(4Sulfophenylazo)1,8dihydroxy3,6napthalenedisulfonic acid trisodium salt, Trisodium 4,5dihydroxy3(4sulphonatophenylazo)naphthalene2,7disulphonate, 2,7Naphthalenedisulfonic acid, 4,5dihydroxy3((4sulfophenyl)azo), trisodium salt, 2,7Naphthalenedisulfonic acid, 4,5dihydroxy3(2(4sulfophenyl)diazenyl), sodium salt (1:3)

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
25 gQuoted on request
100 gQuoted on request
500 gQuoted 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

Which CAS number identifies SPADNS, extra spezial?
SPADNS, extra spezial is registered under CAS 23647-14-5. You may also see it listed as 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. Our catalogue number for this item is ZX-038119.
What are the formula and molar mass of SPADNS, extra spezial?
For SPADNS, extra spezial, 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?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 25 g, 100 g, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with SPADNS, extra spezial?
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 to my country?
Yes. Because SPADNS, extra spezial 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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