CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid; Exhibits blue fluorescence; [Merck Index] Colorless to yellow solid; [HSDB] White powder; [MSDSonline] |
|---|---|
| Color/Form | Crystals |
| Melting Point | 287.5 °C |
| Stability/Shelf Life | AFLATOXINS B1, B2, G1, & G2 IN WATER OR CHLOROFORM SOLUTIONS OR IN SOLID FILMS WERE DECOMPOSED BY UV IRRIDIATION. |
| Optical Rotation | Specific optical rotation (0.1 in chloroform): -492 deg at 25 °C/D |
| Decomposition | When heated to decomposition it emits acird smoke and fumes. |
| Collision Cross Section | 162 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine] |
| Other Experimental Properties | Exhibits blue fluorescence |
| Chemical Classes | Biological Agents -> Mycotoxins |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H340:Germ cell mutagenicity H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P262:Do not get in eyes, on skin, or on clothing. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
COMPUTED DESCRIPTORS
| Molecular Weight | 314.29 g/mol |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 1 |
| Exact Mass | 314.07903816 g/mol |
| Monoisotopic Mass | 314.07903816 g/mol |
| Topological Polar Surface Area | 71.1 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 610 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 2 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Aflatoxin B2 is an aflatoxin having a hexahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11.