CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Aflatoxin b-1 appears as colorless to pale yellow crystals or white powder. Exhibits blue fluorescence. (NTP, 1992) |
|---|---|
| Color/Form | Crystals ... exhibits blue fluorescence |
| Melting Point | 514 to 516 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 72 °F (NTP, 1992) |
| Stability/Shelf Life | Aflatoxins b1, b2, g1, & g2 in water or chloroform solutions or in solid films were decomposed by UV irradiation. |
| Optical Rotation | Specific optical rotation (0.1 in chloroform): -558 deg/D; (0.1 in dimethylformamide): -480 deg at 25 °C/D |
| Decomposition | When heated to decomposition it emits acrid smoke. |
| Collision Cross Section | 161 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine] |
| Other Experimental Properties | Aflatoxins are densely fluorescent; the B refers to blue, while the G signifies green fluorescence. /Aflatoxins/ |
| 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 H361:Reproductive toxicity |
| 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 | 312.27 g/mol |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 1 |
| Exact Mass | 312.06338810 g/mol |
| Monoisotopic Mass | 312.06338810 g/mol |
| Topological Polar Surface Area | 71.1 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 650 |
| 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 b-1 appears as colorless to pale yellow crystals or white powder. Exhibits blue fluorescence. (NTP, 1992)


