ChemicalBook >> CAS DataBase List >>4-(4-Nitrophenylazo)-1-naphthol

4-(4-Nitrophenylazo)-1-naphthol

CAS No.
5290-62-0
Chemical Name:
4-(4-Nitrophenylazo)-1-naphthol
Synonyms
MagnesonⅡ;MagnesonⅡ;Magneson 2;Magnezon II;MAGNESON II;MagnesoneII;α-Naphthol magneson;MagnesiuM reagent Ⅱ;Magnesium reagent II;LABOTEST-BB LT00451868
CBNumber:
CB2478618
Molecular Formula:
C16H11N3O3
Molecular Weight:
293.28
MDL Number:
MFCD00003975
MOL File:
5290-62-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:51:19

4-(4-Nitrophenylazo)-1-naphthol Properties

Melting point 270 °C (dec.)(lit.)
Boiling point 435.13°C (rough estimate)
Density 1.2211 (rough estimate)
refractive index 1.6500 (estimate)
storage temp. Store below +30°C.
pka 8.19±0.40(Predicted)
form Powder
color Red-brown
BRN 961660
Stability Stable. Incompatible with strong oxidizing agents, strong bases.
InChI 1S/C16H11N3O3/c20-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)19(21)22/h1-10,17H/b18-15+
InChIKey UYDXOFSMBKSLPM-OBGWFSINSA-N
SMILES [N+](=O)([O-])c1ccc(cc1)N\N=C2\c3c(cccc3)C(=O)C=C\2
CAS DataBase Reference 5290-62-0(CAS DataBase Reference)
EWG's Food Scores 1
EPA Substance Registry System 1-Naphthalenol, 4-[(4-nitrophenyl)azo]- (5290-62-0)
UNSPSC Code 12352104
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
Hazard Codes  Xi,C,F
Risk Statements  36/37/38-34-11
Safety Statements  22-24/25-26-36-45-36/37/39-16
RIDADR  3236
WGK Germany  3
RTECS  QL4510100
TSCA  TSCA listed
HS Code  29270000
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
1
2 0

4-(4-Nitrophenylazo)-1-naphthol price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.41435 4-(4-Nitrophenylazo)-1-naphthol for synthesis 5290-62-0 10g $175 2026-04-30 Buy
TCI Chemical N0134 4-(4-Nitrophenylazo)-1-naphthol 5290-62-0 25g $44 2021-12-16 Buy
Biosynth FN32395 4-(4-Nitrophenylazo)-1-naphthol 5290-62-0 50g $399 2026-06-04 Buy
Biosynth FN32395 4-(4-Nitrophenylazo)-1-naphthol 5290-62-0 100g $638 2026-06-04 Buy
Biosynth FN32395 4-(4-Nitrophenylazo)-1-naphthol 5290-62-0 250g $797.5 2026-06-04 Buy
Product number Packaging Price Buy
8.41435 10g $175 Buy
N0134 25g $44 Buy
FN32395 50g $399 Buy
FN32395 100g $638 Buy
FN32395 250g $797.5 Buy

4-(4-Nitrophenylazo)-1-naphthol Chemical Properties, Uses, Production

Chemical Properties

orange to brown powder or crystals

Uses

4-(4-Nitrophenylazo)-1-naphthol is a reagent used for the determination of Mg.

4-(4-Nitrophenylazo)-1-naphthol Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 196)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57

View Latest Price from 4-(4-Nitrophenylazo)-1-naphthol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-(4-NITROPHENYLAZO)-1-NAPHTHOL pictures 2019-07-06 4-(4-NITROPHENYLAZO)-1-NAPHTHOL
5290-62-0
$1.00 1kg 95%-99% 100kg Career Henan Chemical Co
4'-NITROBENZENE-AZO-1-NAPHTHOL 4-(P-NITROBENZENEAZO)-ALPHA-NAPHTHOL 4-(P-NITROPHENYLAZO)-1-NAPHTHOL P-NITROBENZENEAZO-A-NAPHTHOL 4-[(E)-(4-Nitrophenyl)diazenyl]-1-naphthol 4-Nitrophenylazo-4'-(1-naphthol) Magnezon II p-Nitrophenylazo-alpha-naphthol 1-Naphthalenol, 4-[(4-nitrophenyl)azo]- 1-Naphthol, 4-((p-nitrophenyl)azo)- 4-((4-nitrophenyl)azo)-1-naphthaleno 4-((p-nitrophenyl)azo)-1-naphtho 4-[(4-nitrophenyl)azo]-1-naphthaleno 4-[(4-nitrophenyl)azo]-1-Naphthalenol 1-(4-Nitrophenylazo)-4-naphthol MAGNESON II LABOTEST-BB LT00451868 ALPHA-NAPHTHOL MAGNESON 4-(4-Nitrophenylazo)-1-naphthol, AR 4-(4-Nitrophenylalzo)-1-naphthol 4-(4-NITROPHENYLAZO)-1-NAPHTHOL, FOR THE DETERMINATION OF MG MagnesoneII 4-(4-Nitrophenylazo)naphthalen-1-ol 4-[(4-Nitrophenyl)azo]naphthalene-1-ol Magneson 2 α-Naphthol magneson 4-(4-Nitrophenylazo)-1-naphthol,99% MagnesonⅡ 4-(4-Nitrophenylazo)-1-naphthol[Magneson II] Magneson II alpha-Naphthol Magneson 4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol MagnesiuM reagent Ⅱ 1-Naphthalenol,4-[2-(4-nitrophenyl)diazenyl]- 4-[(4-nitrophenyl)diazenyl]-1-naphthol 4-(4-NITROPHENYLAZO)-1-NAPHTHOL FOR SYNT Magneson II, GR indicator 4-(4-Nitrophenylazo)-1-naphthol,90% 4-((4-Nitrophenyl)diazenyl)phthalen-1-ol Magnesium reagent II MagnesonⅡ 4-(4-Nitrophenylazo)-1-naphthol 5290-62-0 C16H11N3O3 Indicators Metal Titration Indicators Titration Analytical Chromatography Product Catalog