|
METHYL BLUE |
| Synonyms. Methyl Blue; C.I. Acid Blue 93; Disodium ((4-(bis(4-((sulphonatophenyl) amino)phenyl) methylene)cyclohexa- 2,5-dien-1-ylidene)amino) benzenesulphonate; Acid Leather Blue HER; Brilliant Lake Blue G; C.I. 42780; Water Blue B; Water Blue IN; Aniline blue water soluble; Cotton blue; Poirriers blue; Water blue; Aniline blue WS; Sodium triphenyl-p-rosanilinetrisulfate; Brilliant cotton blue; Helvetia blue; Ink Blue; Soluble Blue; Sky blue G; |
|
|
| PRODUCT IDENTIFICATION | |
|
CAS RN |
28983-56-4 |
|
EINECS RN |
249-352-9 |
|
FORMULA |
C37H27N3Na2O9S3 |
|
MOLE WEIGHT |
799.80 |
|
H.S CODE |
3204.12.5090 |
|
SMILES |
c1cc(ccc1S(=O)(=O)O)Nc1ccc(cc1)C(=C1\C=C/C(=[N+]/c2ccc(cc2)S(=O) (=O)[O-])C=C1)\c1ccc(cc1)Nc1ccc(cc1)S(=O)(=O)O |
|
CLASSIFICATION |
Coloring agent (dye for cotton and silk, biological stain) |
|
EXTRA NOTES |
Other RN: 1324-79-4 |
|
|
| PHYSICAL AND CHEMICAL PROPERTIES | |
|
PHYSICAL STATE. |
purple to dark blue powder |
|
MELTING POINT |
|
|
BOILING POINT |
|
|
DENSITY |
|
|
SOLUBILITY IN WATER |
Soluble |
| SOLVENT SOLUBILITY |
Slightly soluble in ethanol |
|
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: 1, Reactivity: 0 |
|
|
| EXTERNAL LINKS & GENERAL DESCRIPTION |
|
Wikipedia Linking - Methyl Blue Google Scholar Search - Methyl Blue Drug Information Portal (U.S. National Library of Medicine) - Methyl Blue PubChem Compound Summary - Methyl Blue KEGG (Kyoto Encyclopedia of Genes and Genomes) - Methyl Blue http://www.ncbi.nlm.nih.gov/ - Methyl Blue |
|
|
| SALES SPECIFICATION | |
|
APPEARANCE |
purple to dark blue powder |
|
STRENGTH |
100% min |
|
INSOLUBLES |
1.0% max |
|
MOISTURE |
3.5% max |
|
|
| TRANSPORT & REGULATORY INFORMATION | |
|
UN NO. |
|
| HAZARD CLASS |
|
| PACKING GROUP | |
|
|
| SAFETY INFORMATION | |
|
HAZARD OVERVIEW |
OSHA Hazards: Harmful by ingestion., Irritant. Eyes: Causes eye irritation. Skin: Harmful if absorbed through skin. Causes skin irritation. Inhalation May be harmful if inhaled. Causes respiratory tract irritation. Ingestion Harmful if swallowed. |
| SIGNAL WORD | Warning |
|
PICTOGRAMS |
|
|
HAZARD STATEMENTS |
H302-H315-H319-H335 |
|
P STATEMENTS |
P261-P305 + P351 + P338 |
| EC DIRECTIVES |
|
| HAZARD CODES |
|
|
RISK PHRASES |
22-36/37/38 |
|
SAFETY PHRASES |
26-36/37 |
|
|
| PACKING |
|
Preserve in light-resistant and well-closed containers |
|
|