TROPAEOLIN OO

Synonyms. Tropaeolin OO; C.I. Acid Orange 5 monosodium salt; Sodium 4-((4-(anilino)phenyl)azo)benzenesulphonate; Acid Yellow D; p-((p-Anilinophenyl)azo)benzenesulfonic acid monosodium salt; C.I. 13080; C.I. Acid Orange 5; Diphenylamine Orange; Hispacid Orange IV; Orange 4 Lake; Orange GS; Orange IV; Orange N; Sodium p-diphenylamino-azobenzenesulfonate; Tertracid Orange IV; Tropeolin OO; Orange IV;

TROPAEOLIN OO (Base)

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

554-73-4

EINECS RN

209-071-4

FORMULA

(C6H5NHC6H4N=NC6H4SO3)Na

MOLE WEIGHT

375.38

H.S CODE

2927.00.5000

SMILES

c1(Nc2ccccc2)ccc(\N=N\c2ccc(S(=O)(=O)[O-])cc2)cc1.[Na+]

CLASSIFICATION

Coloring agent, Azo dye

EXTRA NOTES

Visible transition interval: pH 1.4 (red) to pH 2.6 (yellow)
Other RN: 1342-34-3, 17040-79-8 (parent)

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

orange powder

MELTING POINT

 

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

 

SOLVENT SOLUBILITY

 

VAPOR DENSITY

 

log P(octanol-water)

2.25

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: 1, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

USA.gov - Tropaeolin OO

Wikipedia Linking - Tropaeolin OO

Google Scholar Search - Tropaeolin OO

Drug Information Portal (U.S. National Library of Medicine) - Tropaeolin OO

PubChem Compound Summary - Tropaeolin OO

http://www.ncbi.nlm.nih.gov/ -  Tropaeolin OO

Material Safety Data Sheet - Tropaeolin OO

EPA - Substance Registry Services - Tropaeolin OO

 

SALES SPECIFICATION

APPEARANCE

orange powder

pH RANGE

pH 1.4 (red) to pH 2.6 (yellow)

ABSORPTION

443 ~ 447 nm (in 50% ethanol) λ 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