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SPADNS

SPADNS Suppliers list
Company Name: career henan chemical co
Tel: +86-0371-86658258
Email: sales@coreychem.com
Products Intro: Product Name:SPADNS
CAS:23647-14-5
Purity:98% Package:1KG;1USD
Company Name: Chongqing Chemdad Co., Ltd
Tel: +8613650506873
Email: sales@chemdad.com
Products Intro: Product Name:SPADNS
CAS:23647-14-5
Purity:0.98 Package:1kg,2kg,5kg,10kg,25kg
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427
Email: sales@conier.com
Products Intro: Product Name:spadns
CAS:23647-14-5
Purity:0.99 Package:1kg
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: 0551-65418671
Email: sales@tnjchem.com
Products Intro: Product Name:2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic ...
CAS:23647-14-5
Company Name: Hach Company, Inc.
Tel: 970-669-3050
Email: orders@hach.com
Products Intro:

SPADNS manufacturers

  • SPADNS
  • $1.00 / 1KG
  • 2019-08-09
  • CAS:23647-14-5
  • Min. Order: 1KG
  • Purity: 98%
  • Supply Ability: 1kg,5kg,100kg
SPADNS Basic information
Product Name:SPADNS
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
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 Structure
SPADNS Chemical Properties
Melting point >300°C
storage temp. Store at +15°C to +25°C.
solubility 220g/l
form Crystalline Powder
color Dark red-brown
PH6.0 (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.
EPA Substance Registry System2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
TSCA Yes
HS Code 2927 00 00
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
SPADNS Usage And Synthesis
Chemical Propertiesdark red-brown crystalline powder
UsesSulfanilic 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
Tag:SPADNS(23647-14-5) Related Product Information
Disodium 3-aminonaphthalene-2,7-disulphonate 3-Hydroxythiophenol 3-AMINO-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM 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 SODIUM SULFANILATE amino-R acid CHROMOTROPIC ACID DISODIUM SALT 2,7-NAPHTHALENEDITHIOL DI-SNADNS 8-Hydroxy-2-naphthylamine-3,6-disulfonic acid 3-AMINO-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT 1-NAPHTHOL-3-SULFONIC ACID SODIUM SALT 1-Naphthol-3,6-disulfonic acid disodium salt 2-AMINO-1-NAPHTHOL