Section: 9 | Organic dyes and pigments (OD) | Page: 749 |
IRUG filename: IOD00749 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Hematein, haematein, Natural Black 1 & 2, CI75290 | CAS name: Benz[b]indeno[1,2-d]pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy- |
Sample source 1: Fluka | Source location 1: France | Sample identifier 1: Hematein |
Sample source 2: Metropolitan Museum of Art | Source location 2: 1000 5th Avenue, New York, NY, 10028, US | Sample identifier 2: Hematein |
Color: Red-brown, dark, opaque | Age: 2007, purchased | MW (relative): 300.26, calculated |
Application: Transmission FTIR spectroscopy | Mode: Tran | Originating institution name: Metropolitan Museum of Art |
Originating institution acronym: MMA | Molecular formula: C18 H12 O6 | CAS registry no: 475-25-2 |
Other analytical methods: Raman spectroscopy |
IRUG Structure Tracking #: 253 Common Name(s): Hematein; Haematein; Natural Black 1 (NBk1); CI75290 CAS Name: Benz[b]indeno[1,2-d]pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy- CAS Registry No: 475-25-2 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H12 O6 MW: 300.26 |