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ChemicalBook >> CAS DataBase List >> 4-(4-Nitrophenyl)azoresorcinol

4-(4-Nitrophenyl)azoresorcinol

4-(4-Nitrophenyl)azoresorcinol price.
  • $10 - $1180.84
  • Product name: 4-(4-Nitrophenyl)azoresorcinol
  • CAS: 74-39-5
  • MF: C12H9N3O4
  • MW: 259.22
  • EINECS:200-808-5
  • MDL Number:MFCD00007310
  • Synonyms:3-Benzenediol,4-[(4-nitrophenyl)azo]-1 ;MagnesonⅠ;1,3-Benzenediol,4-[(4-nitrophenyl)azo]- ;2,4-Dihydroxy-4-nitroazobenzene;MAGNESON I;LABOTEST-BB LT00455004;AZO VIOLET;AZOVIOLET BENZENE
Price33 Properties Safety Information Description
33 prices
Selected condition：
Brand
  • aablocks
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Arctom
  • Chem-Impex
  • ChemScene
  • GFS CHEMICALS
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 100mg
  • 500mg
  • 1G
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  • 25g
  • 100g
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  • 500g
  • 1kg
  • 25 g
  • Manufactureraablocks
  • Product numberAA008QAJ
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging25g
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA008QAJ
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging100g
  • Price$23
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-19955
  • Product description4-(4-Nitrophenylazo)resorcinol 97%
  • Packaging500g
  • Price$350
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberZ3688
  • Product descriptionMagnesonI
  • Packaging5g
  • Price$67
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0024576
  • Product description4-(4-NITROPHENYLAZO)RESORCINOL 95.00%
  • Packaging1G
  • Price$628.51
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0024576
  • Product description4-(4-NITROPHENYLAZO)RESORCINOL 95.00%
  • Packaging5G
  • Price$842.49
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0024576
  • Product description4-(4-NITROPHENYLAZO)RESORCINOL 95.00%
  • Packaging10G
  • Price$1180.84
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A490086
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging500g
  • Price$89
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A490086
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging1kg
  • Price$171
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A490086
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging100g
  • Price$23
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A490086
  • Product description4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90%
  • Packaging25g
  • Price$10
  • Updated2026-05-26
  • Buy
  • ManufacturerChem-Impex
  • Product number22830
  • Product description4(p-Nitrophenylazo)resorcinol
  • Packaging5G
  • Price$18.53
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22830
  • Product description4(p-Nitrophenylazo)resorcinol
  • Packaging25G
  • Price$39.16
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number42479
  • Product description4-(4-Nitrophenylazo)resorcinol ≥90%(Dyecontent)
  • Packaging25G
  • Price$66.8
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22830
  • Product description4(p-Nitrophenylazo)resorcinol
  • Packaging250G
  • Price$208.31
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number42479
  • Product description4-(4-Nitrophenylazo)resorcinol ≥90%(Dyecontent)
  • Packaging100G
  • Price$218.93
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA008QAJ 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 25g $10 2026-05-28 Buy
aablocks AA008QAJ 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 100g $23 2026-05-28 Buy
AHH MT-19955 4-(4-Nitrophenylazo)resorcinol 97% 500g $350 2026-05-26 Buy
AK Scientific Z3688 MagnesonI 5g $67 2021-12-16 Buy
American Custom Chemicals Corporation CHM0024576 4-(4-NITROPHENYLAZO)RESORCINOL 95.00% 1G $628.51 2021-12-16 Buy
American Custom Chemicals Corporation CHM0024576 4-(4-NITROPHENYLAZO)RESORCINOL 95.00% 5G $842.49 2021-12-16 Buy
American Custom Chemicals Corporation CHM0024576 4-(4-NITROPHENYLAZO)RESORCINOL 95.00% 10G $1180.84 2021-12-16 Buy
Arctom BD-A490086 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 500g $89 2026-05-26 Buy
Arctom BD-A490086 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 1kg $171 2026-05-26 Buy
Arctom BD-A490086 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 100g $23 2026-05-26 Buy
Arctom BD-A490086 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol Dyecontent90% 25g $10 2026-05-26 Buy
Chem-Impex 22830 4(p-Nitrophenylazo)resorcinol 5G $18.53 2026-05-19 Buy
Chem-Impex 22830 4(p-Nitrophenylazo)resorcinol 25G $39.16 2026-05-19 Buy
Chem-Impex 42479 4-(4-Nitrophenylazo)resorcinol ≥90%(Dyecontent) 25G $66.8 2026-05-19 Buy
Chem-Impex 22830 4(p-Nitrophenylazo)resorcinol 250G $208.31 2026-05-19 Buy
Chem-Impex 42479 4-(4-Nitrophenylazo)resorcinol ≥90%(Dyecontent) 100G $218.93 2026-05-19 Buy
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Properties

Melting point :195-200 °C (dec.)(lit.)
Boiling point :402.47°C (rough estimate)
Density :1.3450 (rough estimate)
refractive index :1.5700 (estimate)
storage temp. :Store below +30°C.
form :Powder
pka :8.05±0.35(Predicted)
color :Orange-red to red
Appearance :Red, Orange or Red-Orange Powder
Odor :Odorless
Water Solubility :Soluble in dilute sodium hydroxide. Insoluble in water.
λmax :432 nm
Merck :14,5695
BRN :674709
Stability :Stable. Incompatible with strong oxidizing agents, strong bases.
Major Application :diagnostic assay manufacturing
hematology
histology InChI :1S/C12H9N3O4/c16-10-5-6-11(12(17)7-10)14-13-8-1-3-9(4-2-8)15(18)19/h1-7,16-17H/b14-13+
InChIKey :NGPGYVQZGRJHFJ-BUHFOSPRSA-N
SMILES :Oc1ccc(\N=N\c2ccc(cc2)[N+]([O-])=O)c(O)c1
CAS DataBase Reference :74-39-5(CAS DataBase Reference)
EPA Substance Registry System :1,3-Benzenediol, 4-[(4-nitrophenyl)azo]- (74-39-5)

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

It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.

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Suppliers and manufacturers

Shanghai Yingxin Laboratory Equipment Co., Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. 3B Pharmachem (Wuhan) International Co.,Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Shanghai Hanhong Scientific Co.,Ltd. Shandong Xiya Chemical Co., Ltd Syntechem Co.,Ltd