Home > All categories> Dyes and Pigments> Dyes> Mordant Dyes> (3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid

(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid

Get Latest Price >

FOB Price contact us for price

Origin: China

Cas No: 2243-76-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

Vendor:

Payment Terms:

Inquiry now

* Send an Inquiry to us

Add to wishlist

* Name your price
* Start order doesn't mean buying now

Products Specification
Product Description

Property

CAS No.: 2243-76-7 Formula: C13H9N3O5 Molecular Weight: 287.22800

Description

Alizarine Yellow R is a yellow colored azo dye made by the diazo coupling reaction. It usually comes as a sodium salt. In its pure form it is a rust-colored solid. Its main use is as a pH indicator.

Basic Info

Chemical Name	(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
Synonyms	Alizarine Yellow R; Magracrom Orange; Pnbas; Alizarin yellow R; Terracotta 2RN; 5-(4-Nitrophenylazo)salicylic acid Alizarin Yellow R MO1; Alizarol Orange R; 5-(4-nitrophenylazo) salicylic acid; Chrome Orange MR; Mordant Orange 1; 5-[(E)-2-(4-nitrophenyl)-1-diazenyl]-2-hydroxybenzoic acid; Kenachrome Orange; Terra Cotta RRN; 5-(4-Nitrophenylazo)salicylic Acid; Chrome Orange N; Benzoic acid, 2-hydroxy-5-[(4-nitrophenyl)azo]-; Chrome Orange R;
CAS No.	2243-76-7
Molecular Formula	C13H9N3O5
Molecular Weight	287.22800
PSA	128.07000
LogP	3.93720

Properties

Appearance & Physical State	Red - brown crystalline powder.
Density	1.49 g/cm3
Boiling Point	500.2ºC at 760 mmHg
Melting Point	250ºC
Flash Point	256.3ºC
Refractive Index	1.671
Water Solubility	SOLUBLE
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	6.74E-14mmHg at 25°C

Safety Info

RTECS	VO5310000
Safety Statements	S24/25
HS Code	2901100000
Risk Statements	R22
Hazard Codes	Xn

Synthesis Route

6-oxo-3-(phenylhydrazinylidene)cyclohexa-1,4-diene-1-carboxylic acid→(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
4-nitrobenzenediazonium+salicylic acid→(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
4-Nitrobenzenediazonium chloride+6-oxo-3-(phenylhydrazinylidene)cyclohexa-1,4-diene-1-carboxylic acid→(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid

Precursor

Sulfuric acid
4-nitrobenzenediazonium
salicylic acid
4-Nitrobenzenediazonium chloride

Downstream Product

methyl 3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate
mesalamine
(3E)-3-[(4-aminophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
4-Nitroaniline

Hot tags: (3e)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid, China, manufacturers, suppliers, factory, wholesale, low price, high quality