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SPADNS

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Products Intro: Product Name:SPADNS
CAS:23647-14-5
Purity:98% Package:1KG;1USD
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CAS:23647-14-5
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Products Intro: Product Name:2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic ...
CAS:23647-14-5
Company Name: changzhou huayang technology co., ltd
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Products Intro: Product Name:SPADNS
CAS:23647-14-5
Company Name: LEAPCHEM CO., LTD.
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Products Intro: Product Name:Spadns
CAS:23647-14-5
Purity:0 Package:1g; 5g; 25g; 1kg; 5kg; 25kg Remarks:0

SPADNS manufacturers

  • SPADNS
  • SPADNS pictures
  • $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;Chelating Reagents;Naphthylazo Compounds;Organics
Mol File:23647-14-5.mol
SPADNS Structure
SPADNS Chemical Properties
Melting point >300°C
bulk density810kg/m3
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.
λmax505-510 nm
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
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 Sulfanilic acid SODIUM SULFANILATE Naphthalene-2,7-disulfonic acid 3-Hydroxythiophenol CHROMOTROPE 2R Disodium 3-aminonaphthalene-2,7-disulphonate 1,8-Dihydroxynaphthylene-3,6-disulfonic acid P-PHENYLAZOBENZENESULFONIC ACID

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