METACHROME YELLOW

Synonyms. Alizarin Yellow GG; Metachrome yellow; Alizarin Yellow G; Acid Chrome Yellow GG; Sodium 3-((3-nitrophenyl)hydrazinylidene)-6-oxidanylidene-cyclohexa-1,4-diene-1-carboxylate; Sodium 3-((3-nitrophenyl)hydrazinylidene)-6-oxo-1-cyclohexa-1,4-dienecarboxylate; 5-(3-Nitrophenylazo)salicylic acid sodium salt; Alizarin Yellow 2G; Metachrome Yellow; Mordant Yellow 1; C.I 14025; C.I. Mordant Yellow 1 monosodium salt; 2-Hydroxy-5-(3-nitrophenylazo)benzoate sodium; sodium m-nitrobenzeneazosalicylate;

METACHROME YELLOW

 

PRODUCT IDENTIFICATION

CAS RN

584-42-9

EINECS RN

209-536-1

FORMULA

C13H8N3NaO5

MOLE WEIGHT

309.21

H.S CODE

3204.12.5090

SMILES

c1(cc(c(O)cc1)C(=O)[O-])\N=N\c1cc(ccc1)[N+](=O)[O-].[Na+]

CLASSIFICATION

Azo dye, pH indicator, Coloring agent

EXTRA NOTES

acid-base indicator. (pale yellow)10.0 to 12.0(deep yellow)
Other RN: 109818-90-8, 61763-27-7, 76363-76-3

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

 

MELTING POINT

 

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

Soluble

SOLVENT SOLUBILITY

 

VAPOR DENSITY

 

log P(octanol-water)

 

VAPOR PRESSURE

 

AUTOIGNITION TEMP

 
pK

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Strong oxidizing agents

POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 0, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking - List of dyes

Google Scholar Search - Metachrome yellow

Drug Information Portal (U.S. National Library of Medicine) - Metachrome yellow

PubChem Compound Summary - Metachrome yellow

http://www.ncbi.nlm.nih.gov/ - Metachrome yellow

http://toxnet.nlm.nih.gov/
Hazardous Substances Data Bank - Metachrome yellow

 

SALES SPECIFICATION

APPEARANCE

yellow powder

DYE CONTENT

50% min

pH INTERVAL

10.0(pale yellow) ~ 12.0(brownish yellow)

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD CLASS

 

PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

No known OSHA hazards. Not a dangerous substance according to GHS. Eyes: May cause eye irritation. Skin May be harmful if absorbed through skin. May cause skin irritation. Inhalation May be harmful if inhaled. May cause respiratory tract irritation. Ingestion May be harmful if swallowed.

SIGNAL WORD Warning

PICTOGRAMS

 

HAZARD STATEMENTS

 

P STATEMENTS

 

EC DIRECTIVES

 

HAZARD CODES

 

RISK PHRASES

 

SAFETY PHRASES

 

 

PACKING

Preserve in light-resistant and well-closed containers

 

PRICE INFORMATION