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ChemicalBook > Product Catalogue >Chemical Reagents >Organic reagents >Sulfonates / Sulfinates salts >SPADNS

SPADNS

SPADNS Structure
  • ₹360 - ₹16740
  • Product name: SPADNS
  • CAS: 23647-14-5
  • MF: C16H13N2NaO11S3
  • MW: 528.45
  • EINECS:245-803-9
  • MDL Number:MFCD00003952
  • 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
Price13 Properties Safety Information Description
13 prices
Selected condition：

Brand

  • Sigma-Aldrich
  • TCI Chemicals (India)
  • Sigma-Aldrich(India)
  • SRL

Package

  • 5G
  • 10G
  • 25G
  • 50G
  • 1Gms
  • 5Gms
  • 25Gms
  • ManufacturerSigma-Aldrich
  • Product number1.07998
  • Product description1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium)
  • Packaging25G
  • Price₹14280.01
  • Updated2022-06-14
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberD0604
  • Product descriptionTrisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
  • Packaging5G
  • Price₹3600
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberD0604
  • Product descriptionTrisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
  • Packaging25G
  • Price₹6700
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product numberS9256
  • Product descriptionSulfanilic acid azochromotrop ≥80%
  • Packaging10G
  • Price₹5370
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product numberS9256
  • Product descriptionSulfanilic acid azochromotrop ≥80%
  • Packaging25G
  • Price₹10700
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number1.07998
  • Product description1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium)
  • Packaging25G
  • Price₹14280.01
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product numberS9256
  • Product descriptionSulfanilic acid azochromotrop ≥80%
  • Packaging50G
  • Price₹16740
  • Updated2022-06-14
  • Buy
  • ManufacturerSRL
  • Product number38195
  • Product descriptionSPADNS (Sulfanilic Acid-azochromotrop) extrapure AR
  • Packaging1Gms
  • Price₹360
  • Updated2022-05-26
  • Buy
  • ManufacturerSRL
  • Product number47886
  • Product descriptionSPADNS extrapure AR, ACS
  • Packaging1Gms
  • Price₹400
  • Updated2022-05-26
  • Buy
  • ManufacturerSRL
  • Product number38195
  • Product descriptionSPADNS (Sulfanilic Acid-azochromotrop) extrapure AR
  • Packaging5Gms
  • Price₹1500
  • Updated2022-05-26
  • Buy
  • ManufacturerSRL
  • Product number47886
  • Product descriptionSPADNS extrapure AR, ACS
  • Packaging5Gms
  • Price₹1640
  • Updated2022-05-26
  • Buy
  • ManufacturerSRL
  • Product number38195
  • Product descriptionSPADNS (Sulfanilic Acid-azochromotrop) extrapure AR
  • Packaging25Gms
  • Price₹4160
  • Updated2022-05-26
  • Buy
  • ManufacturerSRL
  • Product number47886
  • Product descriptionSPADNS extrapure AR, ACS
  • Packaging25Gms
  • Price₹4380
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated 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) 25G ₹14280.01 2022-06-14 Buy
TCI Chemicals (India) D0604 Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate 5G ₹3600 2022-05-26 Buy
TCI Chemicals (India) D0604 Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate 25G ₹6700 2022-05-26 Buy
Sigma-Aldrich(India) S9256 Sulfanilic acid azochromotrop ≥80% 10G ₹5370 2022-06-14 Buy
Sigma-Aldrich(India) S9256 Sulfanilic acid azochromotrop ≥80% 25G ₹10700 2022-06-14 Buy
Sigma-Aldrich(India) 1.07998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) 25G ₹14280.01 2022-06-14 Buy
Sigma-Aldrich(India) S9256 Sulfanilic acid azochromotrop ≥80% 50G ₹16740 2022-06-14 Buy
SRL 38195 SPADNS (Sulfanilic Acid-azochromotrop) extrapure AR 1Gms ₹360 2022-05-26 Buy
SRL 47886 SPADNS extrapure AR, ACS 1Gms ₹400 2022-05-26 Buy
SRL 38195 SPADNS (Sulfanilic Acid-azochromotrop) extrapure AR 5Gms ₹1500 2022-05-26 Buy
SRL 47886 SPADNS extrapure AR, ACS 5Gms ₹1640 2022-05-26 Buy
SRL 38195 SPADNS (Sulfanilic Acid-azochromotrop) extrapure AR 25Gms ₹4160 2022-05-26 Buy
SRL 47886 SPADNS extrapure AR, ACS 25Gms ₹4380 2022-05-26 Buy

Properties

Melting point :>300°C
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.
EPA Substance Registry System :2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

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.

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