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1-(4-Nitrophenylazo)-2-naphthol

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1-(4-Nitrophenylazo)-2-naphthol Basic information
Product Name:1-(4-Nitrophenylazo)-2-naphthol
Synonyms:1-((4-nitrophenyl)azo)-2-naphthaleno;1-((4-nitrophenyl)azo)-2-naphtho;1-[(4-nitrophenyl)azo]-2-naphthaleno;LABOTEST-BB LT00454132;1-(P-NITROPHENYLAZO)-2-NAPHTHOL;1-(P-NITROPHENYLAZO)-2-NAPHTHOL PARA RED;1-[(4-nitrofenyl)diazenyl]-2-naftol;1-(4-Nitrophenylazo)-2-naphthol Para Red
CAS:6410-10-2
MF:C16H11N3O3
MW:293.28
EINECS:229-093-8
Product Categories:
Mol File:6410-10-2.mol
1-(4-Nitrophenylazo)-2-naphthol Structure
1-(4-Nitrophenylazo)-2-naphthol Chemical Properties
Melting point 248-252 °C
Boiling point 435.13°C (rough estimate)
density 1.2211 (rough estimate)
refractive index 1.6500 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly, Heated)
form solid
pka13.45±0.50(Predicted)
Colour Index 12070
color Red
λmax488 nm
BRN 680469
Stability:Stable. Incompatible with strong oxidizing agents.
Major Applicationcleaning products
cosmetics
food and beverages
personal care
InChI1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H
InChIKeyWOTPFVNWMLFMFW-UHFFFAOYSA-N
SMILESOc1ccc2ccccc2c1N=Nc3ccc(cc3)[N+]([O-])=O
CAS DataBase Reference6410-10-2(CAS DataBase Reference)
EPA Substance Registry SystemC.I. Pigment Red 1 (6410-10-2)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 24/25-36-26-36/37/39
WGK Germany 3
RTECS QL4510000
TSCA TSCA listed
HS Code 29270000
Storage Class11 - Combustible Solids
Hazard ClassificationsEye Irrit. 2
Skin Irrit. 2
STOT SE 3
MSDS Information
ProviderLanguage
ACROS English
ALFA English
1-(4-Nitrophenylazo)-2-naphthol Usage And Synthesis
Chemical Propertiessolid
UsesPara Red is used as a fat soluble chemical dye and food additive. It is a banned colorant and a number of analytical techniques have been developed to detect it in food.
Biological ActivityPara Red may be used to make standards for analysis.
Purification MethodsCrystallise this dye from AcOH or xylene and dry it in vacuo. It has max at 488nm. [Beilstein 16 II 70.]
1-(4-Nitrophenylazo)-2-naphthol Preparation Products And Raw materials
Tag:1-(4-Nitrophenylazo)-2-naphthol(6410-10-2) Related Product Information
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