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ChemicalBook >> CAS DataBase List >> 4-(2-Pyridylazo)resorcinol monosodium salt hydrate

4-(2-Pyridylazo)resorcinol monosodium salt hydrate

4-(2-Pyridylazo)resorcinol monosodium salt hydrate price.
  • $12 - $685
  • Product name: 4-(2-Pyridylazo)resorcinol monosodium salt hydrate
  • CAS: 16593-81-0
  • MF: C11H9N3O2.H2O.Na
  • MW: 256.21
  • EINECS:629-305-2
  • MDL Number:MFCD00150712
  • Synonyms:4-(2'-PYRIDYLAZO)RESORCINOL MONOSODIUM SALT MONOHYDRATE;4-(2-PYRIDYLAZO)RESORCINOL MONOSODIUM SALT MONOHYDRATE;4-(2'-PYRIDYLAZO)RESORCINOL SODIUM SALT;4-(2-PYRIDYLAZO)RESORCINOL SODIUM SALT, HYDRATE;PAR WATER SOLUBLE;PAR MONOSODIUM SALT HYDRATE;PAR-NA HYDRATE;4-(2-PYRIDYLAZO)RESORCINOL MONOSODIUM
Price24 Properties Safety Information Description
24 prices
Selected condition：
Brand
  • aablocks
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Aronis compounds
  • Chem-Impex
  • Sigma-Aldrich
  • Thermo Scientific Chemicals
Package
  • 1mg
  • 20mg
  • 1g
  • 5G
  • 10g
  • 25g
  • 100g
  • 250g
  • 5 g
  • Manufactureraablocks
  • Product numberAA001WCS
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94%
  • Packaging1g
  • Price$21
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001WCS
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94%
  • Packaging10g
  • Price$43
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001WCS
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94
  • Packaging25g
  • Price$103
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001WCS
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94
  • Packaging100g
  • Price$230
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001WCS
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94
  • Packaging250g
  • Price$412
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-20634
  • Product descriptionPar monosodium salt hydrate 97%
  • Packaging100g
  • Price$588
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number5417AH
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt monohydrate
  • Packaging250g
  • Price$441
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0004625
  • Product description4-(2-PYRIDYLAZO)RESORCINOL MONOSODIUM SALT MONOHYDRATE 95.00%
  • Packaging5G
  • Price$194.84
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberc07226
  • Product descriptionsodium3-hydroxy-4-(2-pyridinyldiazenyl)benzenolate
  • Packaging20mg
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberc07226
  • Product descriptionsodium3-hydroxy-4-(2-pyridinyldiazenyl)benzenolate
  • Packaging1mg
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22945
  • Product descriptionP.A.R. monosodium salt ≥ 94% (Dye content)
  • Packaging100G
  • Price$209.31
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number42478
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate ≥97.5%(HPLC)
  • Packaging5G
  • Price$166.95
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number42478
  • Product description4-(2-Pyridylazo)resorcinol monosodium salt hydrate ≥97.5%(HPLC)
  • Packaging10G
  • Price$296.84
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22945
  • Product descriptionP.A.R. monosodium salt ≥ 94% (Dye content)
  • Packaging250G
  • Price$391.59
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22945
  • Product descriptionP.A.R. monosodium salt ≥ 94% (Dye content)
  • Packaging25G
  • Price$82.28
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22945
  • Product descriptionP.A.R. monosodium salt ≥ 94% (Dye content)
  • Packaging1G
  • Price$18.53
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA001WCS 4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94% 1g $21 2026-05-28 Buy
aablocks AA001WCS 4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94% 10g $43 2026-05-28 Buy
aablocks AA001WCS 4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94 25g $103 2026-05-28 Buy
aablocks AA001WCS 4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94 100g $230 2026-05-28 Buy
aablocks AA001WCS 4-(2-Pyridylazo)resorcinol monosodium salt hydrate 94 250g $412 2026-05-28 Buy
AHH MT-20634 Par monosodium salt hydrate 97% 100g $588 2026-05-26 Buy
AK Scientific 5417AH 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate 250g $441 2021-12-16 Buy
American Custom Chemicals Corporation ING0004625 4-(2-PYRIDYLAZO)RESORCINOL MONOSODIUM SALT MONOHYDRATE 95.00% 5G $194.84 2021-12-16 Buy
Aronis compounds c07226 sodium3-hydroxy-4-(2-pyridinyldiazenyl)benzenolate 20mg $30 2021-12-16 Buy
Aronis compounds c07226 sodium3-hydroxy-4-(2-pyridinyldiazenyl)benzenolate 1mg $12 2021-12-16 Buy
Chem-Impex 22945 P.A.R. monosodium salt ≥ 94% (Dye content) 100G $209.31 2026-05-19 Buy
Chem-Impex 42478 4-(2-Pyridylazo)resorcinol monosodium salt hydrate ≥97.5%(HPLC) 5G $166.95 2026-05-19 Buy
Chem-Impex 42478 4-(2-Pyridylazo)resorcinol monosodium salt hydrate ≥97.5%(HPLC) 10G $296.84 2026-05-19 Buy
Chem-Impex 22945 P.A.R. monosodium salt ≥ 94% (Dye content) 250G $391.59 2026-05-19 Buy
Chem-Impex 22945 P.A.R. monosodium salt ≥ 94% (Dye content) 25G $82.28 2026-05-19 Buy
Chem-Impex 22945 P.A.R. monosodium salt ≥ 94% (Dye content) 1G $18.53 2026-05-19 Buy
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Properties

Melting point :>300°C
bulk density :630kg/m3
storage temp. :Store at +5°C to +30°C.
solubility :38g/l
form :Crystalline Powder
color :Orange-brown to brownish
Odor :Odorless
PH :9.8 (10g/l, H2O, 20℃)
Water Solubility :Soluble in water
λmax :411 nm
BRN :3825637
Stability :Stable. Incompatible with strong oxidizing agents, strong bases, strong acids, acid chlorides, acid anhydrides.
InChI :1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,16H,(H,12,14)/b13-9+
InChIKey :VLCAILLZPUINNF-UKTHLTGXSA-N
CAS DataBase Reference :16593-81-0(CAS DataBase Reference)
EPA Substance Registry System :1,3-Benzenediol, 4-(2-pyridinylazo)-, monosodium salt, monohydrate (16593-81-0)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
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 P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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

4-(2-Pyridylazo)resorcinol monosodium salt is a useful indicator in complexometry, as well as a reagent for the extraction and spectrophotometric determination of many transition compounds. It is a highly selective and sensitive reagent for cobalt and iron. 4-(2-Pyridylazo)resorcinol monosodium salt is also a useful reagent for selective determination of trace level chrome(III) by ion-pair reversed-phase high-performance liquid chromotography.

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93-65-2 4-(2-PYRIDYLAZO)RESORCINOL 16593-81-0

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar Energy Chemical Sichuan Kulinan Technology Co., Ltd Sinopharm Chemical Reagent Co,Ltd. Spectrum Chemical Manufacturing Corp. ShangHai YuanYe Biotechnology Co., Ltd. Chengdu Ai Keda Chemical Technology Co., Ltd. Thermo Fisher Scientific