PONCEAU 6R

Synonyms. Ponceau 6R; C.I. Acid Red 44 disodium salt; Brilliant Crystal Scarlet; Crystal Scarlet; Sodium 6-hydroxy-5-(1-naphthylazo)naphthalene-2,4-disulphonate; Ponceau 6R Crystals; Ponceau Crystals 6R; 2-Hydroxy-1,1'-azonaphthalene-6,8-disulfonate sodium salt; Acid Ponceau 6R; Acid Red 6A; Acidal Crystals Ponceau; C.I. 16250; Colacid Red 6A; Crystal Ponceau; Crystal Ponceau 6R; Crystal Scarlet 6R; Crystal Tertracid Ponceau 6R;

PONCEAU 6R 

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

2766-77-0

EINECS RN

220-441-4

FORMULA

C20H12N2Na2O7S2

MOLE WEIGHT

502.43

H.S CODE

3204.12.0000

SMILES

[Na+].[Na+].c1(cc(cc2ccc(c(c12)\N=N\c1cccc2ccccc12)O)S(=O)(=O) [O-])S (=O)(=O)[O-]

CLASSIFICATION

Azo dye, Food coloring,

EXTRA NOTES

Ponceau 6R is a closely related to Amaranth, an azo dye used as a food dye.

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

dark brown powder

MELTING POINT

>300 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

Soluble

SOLVENT SOLUBILITY

Slightly soluble in ethanol

VAPOR DENSITY

 

log P(octanol-water)

1

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

USA.gov - Ponceau 6R

Wikipedia Linking - Ponceau 6R

Google Scholar Search - Ponceau 6R

PubChem Compound Summary - Ponceau 6R

http://www.ncbi.nlm.nih.gov/ - Ponceau 6R

 

SALES SPECIFICATION

APPEARANCE

dark brown powder

CONTENT

80% min

ABSORPTION

509 ~ 514 nm (λ max)

LOSS ON DRYING

15% max

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD CLASS

 

PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

OSHA Hazards: Irritant. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

SIGNAL WORD Warning

PICTOGRAMS

HAZARD STATEMENTS

H315-H319-H335

P STATEMENTS

P261-P305 + P351 + P338

EC DIRECTIVES

 

HAZARD CODES

RISK PHRASES

36/37/38

SAFETY PHRASES

26-36

 

PACKING

Preserve in light-resistant and well-closed containers