| Description | Barium lithol red (HSDB 5523) is a transparent blue-toned red pigment mainly used for ink coloring. |
| Synonyms | HSDB 5523, 立索尔大红, PR-258, Barium lithol, 1883 red |
| molecular weight | 892.11 |
| Molecular formula | C40H26BaN4O8S2 |
| CAS | 1103-38-4 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: Slightly soluble |
| References | 1. Chung KT, Fulk GE, Andrews AW. Mutagenicity testing of some commonly used dyes. Appl Environ Microbiol. 1981 Oct;42(4):641-8. 2. Kgzuka T, et al. Pigmented contact dermatitis from azo dyes. I. Cross-sensitivity in humans. Contact Dermatitis. 1980 Aug;6(5):330-6. 3. Kennedy AR, et al. Lithol Red: a systematic structural study on salts of a sulfonated azo pigment. Chemistry. 2012 Mar 5;18(10):3064-9. 4. Inoue T, et al. [Dye standards of National Institute of Hygienic Sciences, "lithol rubine BCA standard", "lake red C standard" and "lake red CBA standard"]. Eisei Shikenjo Hokoku. 1968;86:136-9. Japanese. |