Congo Red

• Catalog No.: 860956
• CAS Number: 573-58-0
• M. F.: C32H22N6Na2O6S2
• M. W.: 696.66322

SYNONYMS

• Title: 刚果红
• IUPAC name: disodium 4-amino-3-[2-(4-{4-[2-(1-amino-4-sulfonatonaphthalen-2-yl)diazen-1-yl]phenyl}phenyl)diazen-1-yl]naphthalene-1-sulfonate
• IUPAC Traditional name: disodium 4-amino-3-[2-(4-{4-[2-(1-amino-4-sulfonatonaphthalen-2-yl)diazen-1-yl]phenyl}phenyl)diazen-1-yl]naphthalene-1-sulfonate
• Synonyms: Cotton Red C; Cosmos Red; Congo Red 4B; 直接红 R; Direct Red 28; Cotton Red B; Direct Red R; Direct Red Y; 刚果红 4B; 棉红 B; 棉红 C; 煮大红; 直接红 28; 直接红 Y

DATABASE IDS

• Beilstein Number: 3894858
• CAS Number: 573-58-0
• Color Index Number: 22120
• MDL Number: MFCD00004028
• EC Number: 209-358-4

PROPERTIES

• Compostion: Dye content, 85%
• Empirical Formula (Hill Notation): C32H22N6Na2O6S2
• Grade: certified by the Biological Stain Commission
• pH Range: 3.0 - 5.0, blue to red
• Absorption Wavelength: λmax 497 nm
• Melting Point: >360 °C(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H350-H361d
• European Hazard Symbols: Toxic (T)
• Personal Protective Equipment: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P201-P281-P308 + P313
• Risk Statements: 45-63
• RTECS: QK1400000
• Safety Statements: 53-45
• German water hazard class: 3

DETAILS

Description (English)

Packaging
5, 25 g in glass bottle

Description (简体中文)

包装
5, 25 g in glass bottle