|
ORCEIN |
| Synonyms. Orcein; Pacein; Natural Red 28; 2,4-Dihydroxy-6-methylphenylamino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione; 2,8-Bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,7-dione; 2,8-Bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione; 2,8-Bis[(2,4-dihydroxy-6-methylphenyl)amino]-1,9-dimethylbenzo[1,2-b]benzo[1,2 -d]furan-3,7-dione; |
|
|
| PRODUCT IDENTIFICATION | |
|
CAS RN |
1400-62-0 |
|
EINECS RN |
215-750-6 |
|
FORMULA |
C28H24N2O7 |
|
MOLE WEIGHT |
500.50 |
|
H.S CODE |
3204.19.4000 |
|
SMILES |
c12c3c(=CC(C(=C3C)Nc3c(cc(O)cc3C)O)=O)oc1=CC(C(=C2C)Nc1c (cc (O) cc 1C)O)=O |
|
CLASSIFICATION |
Coloring agent, Natural dye, Food dye, Stain, pH indicator |
|
EXTRA NOTES |
E number E121 |
|
|
| PHYSICAL AND CHEMICAL PROPERTIES | |
|
PHYSICAL STATE. |
dark brown to black powder |
|
MELTING POINT |
|
|
BOILING POINT |
|
|
DENSITY |
|
|
SOLUBILITY IN WATER |
|
| SOLVENT SOLUBILITY |
|
|
VAPOR DENSITY |
|
|
log P(octanol-water) |
3.03 |
|
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 - Orcein Wikipedia Linking - Orcein Google Scholar Search - Orcein Drug Information Portal (U.S. National Library of Medicine) - Orcein PubChem Compound Summary - Orcein http://www.ncbi.nlm.nih.gov/ - Orcein Material Safety Data Sheet - Orcein EPA - Substance Registry Services - Orcein http://www.ravensgard.org/ - Orchil, the poor person's purple |
|
|
| SALES SPECIFICATION | |
|
APPEARANCE |
dark brown to black powder |
|
DYE CONTENT |
90% min |
|
LOSS ON DRYING |
7% max |
|
|
| TRANSPORT & REGULATORY INFORMATION | |
|
UN NO. |
|
| HAZARD CLASS |
|
| PACKING GROUP | |
|
|
| SAFETY INFORMATION | |
|
HAZARD OVERVIEW |
OSHA Hazards:Harmful by ingestion. 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: Toxic if swallowed. |
| SIGNAL WORD | Warning |
|
PICTOGRAMS |
|
|
HAZARD STATEMENTS |
H302-H315-H319 |
|
P STATEMENTS |
P280-P301+ P312-P302+ P352-P305 + P351 + P338 |
| EC DIRECTIVES |
|
| HAZARD CODES |
|
|
RISK PHRASES |
22-36/38 |
|
SAFETY PHRASES |
26-37/39 |
|
|
| PACKING |
|
Preserve in light-resistant and well-closed containers |
|
|