MARTIUS YELLOW

Synonyms. Martius yellow; 2,4-Dinitro-1-naftol; 2,4-Dinitro-1-naphthol; 2,4-Dinitronaphthol; 2-4 Dinitro-alpha-naphtol; C.I. Acid Yellow 24; C.I. 10315; Golden yellow; Manchester Yellow; Martinsgelb; Maritius yellow; Naphthylene Yellow; Saffron Yellow; Zlut marciova; Zlut naftolova;

MARTIUS YELLOW

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

605-69-6

EINECS RN

210-093-1

FORMULA

(O2N)2C10H5OH

MOLE WEIGHT

234.17

H.S CODE

 2908.99.9000

SMILES

 c12c(c(c([N+]([O-])=O)cc1[N+]([O-])=O)O)cccc2

CLASSIFICATION

Coloring agent, Nitro dye

EXTRA NOTES

an acid dye used as a stain in plant and animal histology and as a light filter for photomicrography. (medical-dictionary)

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

orange to dark brown powder

MELTING POINT

130 ~ 132 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

 

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: 1, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

USA.gov - Martius yellow

Wikipedia Linking - Martius yellow

Google Scholar Search - Martius yellow

PubChem Compound Summary - Martius yellow

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

Material Safety Data Sheet - Martius yellow

EPA - Substance Registry Services - Martius yellow

http://stainsfile.info/
Ethanol solutions of martius yellow have been used to stain erythrocytes yellow, so they contrast well with red fibrin, in trichrome methods such as Lendrum's Picro Mallory and Slidder's Martius, Scarlet and Blue (MSB). It can be combined with other small molecular weight yellow dyes to increase stain intensity.The sodium salt of martius yellow is the dye Manchester yellow with an absorption maximum of 432 (Aldrich).

 

SALES SPECIFICATION

APPEARANCE

orange to dark brown powder

DYE CONTENT

85% min

ABSORPTION

430 nm 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

26-36/37

 

PACKING

Preserve in light-resistant and well-closed containers