ALIZARINE YELLOW R

Synonyms. Alizarine Yellow R; Mordant Orange 1; 5-(4-Nitrophenylazo)salicylic acid; C.I.14030; 2-Hydroxy-5-((E)-2-(4-nitrophenyl)diazen-1-yl)benzoic acid; (3E)-3-((4-nitrophenyl)hydrazinylidene)- 6-oxocyclohexa-1,4-diene-1-carboxylic acid; 5-(4-Nitrophenylazo)salicylic acid; para-Nitrobenzeneazosalicylic acid; Tertrochrome Yellow 3R; Yodochrome Orange A; 5-(p-Nitrophenylazo)salicylic acid; 2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid;

ALIZARINE YELLOW R

<pH 10.1

 

>pH 12.0

 

 

 

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

2243-76-7

EINECS RN

218-818-3

FORMULA

O2NC6H4N=NC6H3(OH)COOH

MOLE WEIGHT

287.23

H.S CODE

3204.12.5090

SMILES

O=C(O)c1c(O)ccc(\N=N\c2ccc([N+]([O-])=O)cc2)c1

CLASSIFICATION

Azo dye, pH indicator, Coloring agent

EXTRA NOTES

Presently, azo dyes are used for coloring many different materials such as textile, leather, plastics, food, and pharmaceuticals and for manufacturing paints and lacquers and for printings purposes as well
Other RN: 62340-95-8, 1718-34-9 (sodium salt)

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

orange to dark brown powder

MELTING POINT

250 ~ 260 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

Soluble

SOLVENT SOLUBILITY

Soluble in alcohol. slightly soluble in acetone, cellosolve. Insoluble in organic solvents.

VAPOR DENSITY

 

log P(octanol-water)

4.76

VAPOR PRESSURE

 

AUTOIGNITION TEMP

 
pK

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Oxidizing agents

POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 2, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking - Alizarine Yellow R

Google Scholar Search - Alizarine Yellow R

Drug Information Portal (U.S. National Library of Medicine) - Alizarine Yellow R

PubChem Compound Summary - Alizarine Yellow R

http://www.ncbi.nlm.nih.gov/ - Alizarine Yellow R

http://antoine.frostburg.edu/ - Acid-Base Indicators

 

SALES SPECIFICATION

APPEARANCE

orange to dark brown powder

DYE CONTENT

70% min

MELTING POINT

250 ~ 260 C

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD CLASS

 

PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

Harmful if swallowed. Causes serious eye irritation.

SIGNAL WORD Warning

PICTOGRAMS

HAZARD STATEMENTS

H302-H319

P STATEMENTS

P264-P270-P280-P301 + P312P305 + P351 + P338-P330-P337 + P313-P501

EC DIRECTIVES

 

HAZARD CODES

RISK PHRASES

22-36

SAFETY PHRASES

26

 

PACKING

Preserve in light-resistant and well-closed containers

 

PRICE INFORMATION