758600
Orcein
CAS: 1400-62-0
Molecular Formula: C28H24N2O7
758600 - Names and Identifiers
| Name | Orcein |
| Synonyms | Archil 758600 Lacmus PAcein Orchil Orcein Litmus Cudbear Red Indigo French Purple Natural Red 28 Orcein staining ORCEIN SYNTHETIC Orceinforanalysis Orcein(NaturalRed28) Orcein,pure,certified Orcein(CiNaturalRed28) ORCEIN, FOR MICROSCOPY Orcein, certified, pure Orcein, solution B, for microscopy Orcein, solution A, for microscopy 2,8-bis[(2,4-dihydroxy-6-methylphenyl)amino]-1,9-dimethyldibenzo[b,d]furan-3,7-dione |
| CAS | 1400-62-0 |
| EINECS | 215-750-6 |
| InChI | InChI=1/C28H24N2O7/c1-11-5-15(31)7-17(33)25(11)29-27-13(3)23-21(9-19(27)35)37-22-10-20(36)28(14(4)24(22)23)30-26-12(2)6-16(32)8-18(26)34/h5-10,29-34H,1-4H3 |
758600 - Physico-chemical Properties
| Molecular Formula | C28H24N2O7 |
| Molar Mass | 500.49936 |
| Density | 1.3224 (rough estimate) |
| Boling Point | 591.36°C (rough estimate) |
| Flash Point | 424.9°C |
| Water Solubility | Soluble in acetone, alcohol, acetic acid (red color), and dilute aqueous alkali (blue-violet color). Insoluble in water. |
| Solubility | Soluble in acetone, alcolhol, acetic acid (red color), and dillute aqueous alkali (blue- |
| Vapor Presure | 3.65E-25mmHg at 25°C |
| Appearance | Black powder |
| Color | Dark brown to brown-black |
| Maximum wavelength(λmax) | ['575 nm'] |
| Merck | 14,6863 |
| pKa | 4.0, 6.9, 13.4(at 25℃) |
| Storage Condition | room temp |
| Stability | Stable. |
| Refractive Index | 1.5800 (estimate) |
| MDL | MFCD00062310 |
| Use | It is red at acidic pH and blue at alkaline pH. |
758600 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 32129000 |
758600 - Reference
| Reference Show more | 1. Yu Xuejiao, Zhang Fang, Zhou Lei, Wei Xiaoming, Huang Weiqing. Application value and clinical significance of elastic fiber staining in colorectal cancer visceral peritoneal elastic layer invasion and vascular invasion [J]. Chinese medical guides, 2020,17(19):24-26 34 198. 2. Cai wenyi, Xiong xianrong, Chen tong, et al. KDM2B gene cloning and its expression in yak tissue and oocyte meiosis [J]. Journal of Animal Husbandry and Veterinary Medicine, 2018. |
758600 - Reference Information
| biological field application | Diagnosis of liver biopsy; detecting Candida,hepatitis B surface antigen in fixed tissues,histamines,HBsAg in liver cell,microorganisms |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | red at acidic pH and blue at alkaline pH red at acidic pH and blue at alkaline pH |
Last Update：2024-04-09 15:16:47
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Product Name: Orcein Visit Supplier Webpage Request for quotationCAS: 1400-62-0
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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