| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Email: |
saleschina@alfa-asia.com |
| Company Name: |
Energy Chemical |
| Tel: |
400-0056266 |
| Email: |
sales8178@energy-chemical.com |
SPADNS manufacturers
- SPADNS
-
-
2026-06-30
- CAS:23647-14-5
- Min. Order: 1KG
- Purity: 98
- Supply Ability: 10000KGS
- SPADNS
-
- $1.00
-
2019-08-09
- CAS:23647-14-5
- Min. Order: 1KG
- Purity: 98%
- Supply Ability: 1kg,5kg,100kg
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| Product Name: | SPADNS | | Synonyms: | 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;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 | | CAS: | 23647-14-5 | | MF: | C16H13N2NaO11S3 | | MW: | 528.45 | | EINECS: | 245-803-9 | | Product Categories: | Analytical Chemistry;Azo Compounds;Organics;Chelating Reagents;Naphthylazo Compounds | | Mol File: | 23647-14-5.mol |  |
| | SPADNS Chemical 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) |
| 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 |
| | SPADNS Usage And Synthesis |
| Chemical Properties | dark red-brown crystalline powder | | Uses | 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. |
| | SPADNS Preparation Products And Raw materials |
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