SPADNS
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- $26 - $1687.13
- Product name: SPADNS
- CAS: 23647-14-5
- MF: C16H13N2NaO11S3
- MW: 528.45
- EINECS:245-803-9
- MDL Number:MFCD00003952
- Synonyms:2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodiuM salt, indicator grade 10GR;2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodiuM salt, indicator grade 25GR;SPADNS 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic Acid Trisodium Salt Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic Acid Trisodium Salt;1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTH;SPADNS, Reagent, ACS;2-(4-Sulfophenylazo)chroMotropic acid trisodiuM salt, indicator;1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium);SPADNS
28 prices
Selected condition:
Brand
- aablocks
- AHH
- American Custom Chemicals Corporation
- Biosynth
- Chem-Impex
- GFS CHEMICALS
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
Package
- 5g
- 1079980025
- 500mg
- 10G
- 25g
- 50g
- 100g
- 250g
- 1000g
- 1KG
- Manufactureraablocks
- Product numberAA002NYC
- Product descriptionTrisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
- Packaging5g
- Price$26
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA002NYC
- Product descriptionTrisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
- Packaging25g
- Price$69
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA002NYC
- Product descriptionTrisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
- Packaging100g
- Price$256
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA002NYC
- Product descriptionTrisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
- Packaging250g
- Price$477
- Updated2026-05-28
- Buy
- ManufacturerAHH
- Product numberMT-22375
- Product descriptionSpadns 98%
- Packaging1000g
- Price$400
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0003419
- Product descriptionSPADNS 95.00%
- Packaging10G
- Price$439.25
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0003419
- Product descriptionSPADNS 95.00%
- Packaging25G
- Price$487.5
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFS41120
- Product descriptionp-Sulfophenylazochromotropic acid trisodium salt
- Packaging50g
- Price$518.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS41120
- Product descriptionp-Sulfophenylazochromotropic acid trisodium salt
- Packaging100g
- Price$951
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS41120
- Product descriptionp-Sulfophenylazochromotropic acid trisodium salt
- Packaging25g
- Price$276
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS41120
- Product descriptionp-Sulfophenylazochromotropic acid trisodium salt
- Packaging10g
- Price$172.8
- Updated2026-06-04
- Buy
- ManufacturerChem-Impex
- Product number22803
- Product descriptionSPADNS
- Packaging100G
- Price$235.95
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number22803
- Product descriptionSPADNS
- Packaging5G
- Price$29.34
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number22803
- Product descriptionSPADNS
- Packaging25G
- Price$77.62
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number22803
- Product descriptionSPADNS
- Packaging250G
- Price$456.38
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number22803
- Product descriptionSPADNS
- Packaging1KG
- Price$1687.13
- Updated2026-05-19
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA002NYC | Trisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate | 5g | $26 | 2026-05-28 | Buy |
| aablocks | AA002NYC | Trisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate | 25g | $69 | 2026-05-28 | Buy |
| aablocks | AA002NYC | Trisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate | 100g | $256 | 2026-05-28 | Buy |
| aablocks | AA002NYC | Trisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate | 250g | $477 | 2026-05-28 | Buy |
| AHH | MT-22375 | Spadns 98% | 1000g | $400 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0003419 | SPADNS 95.00% | 10G | $439.25 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0003419 | SPADNS 95.00% | 25G | $487.5 | 2021-12-16 | Buy |
| Biosynth | FS41120 | p-Sulfophenylazochromotropic acid trisodium salt | 50g | $518.5 | 2026-06-04 | Buy |
| Biosynth | FS41120 | p-Sulfophenylazochromotropic acid trisodium salt | 100g | $951 | 2026-06-04 | Buy |
| Biosynth | FS41120 | p-Sulfophenylazochromotropic acid trisodium salt | 25g | $276 | 2026-06-04 | Buy |
| Biosynth | FS41120 | p-Sulfophenylazochromotropic acid trisodium salt | 10g | $172.8 | 2026-06-04 | Buy |
| Chem-Impex | 22803 | SPADNS | 100G | $235.95 | 2026-05-19 | Buy |
| Chem-Impex | 22803 | SPADNS | 5G | $29.34 | 2026-05-19 | Buy |
| Chem-Impex | 22803 | SPADNS | 25G | $77.62 | 2026-05-19 | Buy |
| Chem-Impex | 22803 | SPADNS | 250G | $456.38 | 2026-05-19 | Buy |
| Chem-Impex | 22803 | SPADNS | 1KG | $1687.13 | 2026-05-19 | Buy |
Properties
Melting point :>300°C
bulk density :810kg/m3
storage temp. :Store at +15°C to +25°C.
solubility :220g/l
form :Crystalline Powder
color :Dark red-brown
PH :6.0 (10g/l, H2O, 22℃)
Water Solubility :Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
λmax :505-510 nm
Major Application :diagnostic assay manufacturing
hematology
histology InChIKey :AEHGQXKBQBMQEK-GLCFPVLVSA-K
SMILES :[Na+].[Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)S([O-])(=O)=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
EPA Substance Registry System :2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)
bulk density :810kg/m3
storage temp. :Store at +15°C to +25°C.
solubility :220g/l
form :Crystalline Powder
color :Dark red-brown
PH :6.0 (10g/l, H2O, 22℃)
Water Solubility :Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
λmax :505-510 nm
Major Application :diagnostic assay manufacturing
hematology
histology InChIKey :AEHGQXKBQBMQEK-GLCFPVLVSA-K
SMILES :[Na+].[Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)S([O-])(=O)=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
EPA Substance Registry System :2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)
Safety Information
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Description
Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. It is used as a reagent for drinking and wastewater analysis using Hach Method 8029, Fluoride, SPADNS Method.More related product prices
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