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SPADNS
- CAS No.
- 23647-14-5
- Chemical Name:
- SPADNS
- Synonyms
- SPADNS;SpadnsGr;SPADNS reagent;SPADNS SOLUTION;SPADNS extrapure AR;SPADNS, Reagent, ACS;SPADNS extrapure AR, ACS;2,7-naphthalenedisulfonic;Sulfanilic acid azochromtrop;SULFANILIC ACID-AZOCHROMOTROP
- CBNumber:
- CB8205751
- Molecular Formula:
- C16H13N2NaO11S3
- Molecular Weight:
- 528.45
- MDL Number:
- MFCD00003952
- MOL File:
- 23647-14-5.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:26:37
| Product description | Number | Pack Size | Price |
| Sulfanilic acid azochromotrop ≥80% | S9256 | 10g | $63 |
| Sulfanilic acid azochromotrop ≥80% | S9256 | 25g | $128.93 |
| 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) | 1.07998 | 25g | $256 |
| Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) | D0604 | 5g | $85 |
| Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) | D0604 | 25g | $247 |
| 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 |
| FDA UNII | 8C9EXU0M2M |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5) |
| UNSPSC Code | 12352107 |
| NACRES | NB.21 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2927 00 00 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
SPADNS price More Price(20)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S9256 | Sulfanilic acid azochromotrop ≥80% | 23647-14-5 | 10g | $63 | 2025-07-31 | Buy |
| Sigma-Aldrich | S9256 | Sulfanilic acid azochromotrop ≥80% | 23647-14-5 | 25g | $128.93 | 2025-07-31 | Buy |
| Sigma-Aldrich | 1.07998 | 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) | 23647-14-5 | 25g | $256 | 2025-07-31 | Buy |
| TCI Chemical | D0604 | Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) | 23647-14-5 | 5g | $85 | 2025-07-31 | Buy |
| TCI Chemical | D0604 | Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) | 23647-14-5 | 25g | $247 | 2025-07-31 | Buy |
SPADNS Preparation Products And Raw materials
Raw materials
Preparation Products
SPADNS Suppliers
Global( 191)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29834 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49977 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| changzhou huayang technology co., ltd | +8615250961469 | 2571773637@qq.com | China | 9651 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 43339 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| Shaanxi Dideu New Materials Co. Ltd | +86-18192503167 18192503167; | 1036@dideu.com | China | 7868 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43416 | 58 |
| DAYANG CHEM (HANGZHOU) CO.,LTD | +86-88938639 +86-17705817739 | info@dycnchem.com | China | 53899 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39927 | 58 |
View Lastest Price from SPADNS manufacturers
23647-14-5(SPADNS)Related Search:
Trisodium naphthalene-1,3,6-trisulphonate
(ETHYLENEDINITRILO)TETRAACETIC ACID, TRISODIUM SALT HYDRATE
NITRILOTRIACETIC ACID TRISODIUM SALT MONOHYDRATE
N,N-BIS(CARBOXYLATOMETHYL)ALANINE TRISODIUM SALT
CHROMOTROPIC ACID DISODIUM SALT
2,7-Naphthalenedisulfonic acid disodium salt
Sodium 5-hydroxynaphthalene-1-sulphonate
6-Amino-4-hydroxy-2-naphthalenesulfonic acid
Naphthalene-2-sulfonic acid
CHROMOTROPIC ACID SODIUM SALT
1of4
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
SULFANILIC ACID-AZOCHROMOTROP
SULFANILIC ACID AZOCHROMOTROPE
TRISODIUM 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXYNAPHTHALENE-3,6-DISULFONATE
p-Sulfophenylazochromotropic acid trisodium salt
Sulphanilic acid azochromotrope~2-(4-Sulphophenylazo)chromotropic acid trisodium salt
trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate
2(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAP HT HALENEDISULFONIC ACID, 3NA SALT,IND
SULFANILIC ACID AZOCHROMOTROP FOR &
SpadnsGr-(2-(P-SulphophenylAzo)1,8-Dihydroxynaphelene-3,6-DisulphonicAcidTrisodiumSalt)
SpadnsGr
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONICACID
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt, indicator grade
4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENE DISULFONIC ACID, TRISODIUM SALT
4,5-DIHYDROXY-3-(4-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
3-(4-SULFOPHENYLAZO)-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6 NAPHTHALENE TRISODIUM SALT
2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT
2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
2-(p-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPH- THALENEDISULFONIC ACID
SPADNS SOLUTION
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT
2-(p-Sulfophenylazo)chromotrop
2,7-naphthalenedisulfonic
2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodium
2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodiumsalt
2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-,trisodiumsalt
7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-trisodiu
1,8-Dihydroxy-2-(4-sulfobenzeneazo)-3,6-naphthalenedisulfonic acid trisodiu
2-(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT (SPADNS)
Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate
Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate
2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENE
4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID
SPADNS extrapure AR
2-(4-Sulfophenylazo)chromotropic acid trisodium salt, SPADNS, 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, SPADNS, Sulfanilic acid azochromotrop, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt
2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid
3-(4-Sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
3-[(4-Sulfophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
4,5-Dihydroxy-3-(4-sulfophenylazo)naphthalene-2,7-disulfonic acid
4,5-Dihydroxy-3-[(4-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid
3-[[4-(Sodiooxysulfonyl)phenyl]azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
Sulfanilic acid azochromtrop
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt,indicator
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid
SPADNS reagent
SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS)
Trisodium2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonateHydrate>
2-(4-Sulfonylphenyl azochromic acid trisodium salt, indicator
