C.I. Direct Red 2

Base Information

• Chemical Name: C.I. Direct Red 2
• CAS No.: 992-59-6
• Deprecated CAS: 179472-45-8,70248-71-4,1079993-65-9,1082260-20-5,70248-71-4
• Molecular Formula: C34H28 N6 O6 S2 . 2 Na
• Molecular Weight: 724.76
• Hs Code.: 29215900
• European Community (EC) Number: 213-594-3
• UNII: G519JHX5MJ
• DSSTox Substance ID: DTXSID3025203
• Nikkaji Number: J7.213C
• Wikidata: Q818516
• ChEMBL ID: CHEMBL1471289
• Mol file: 992-59-6.mol

Synonyms:benzopurpurine 4B;C.I. direct red 2;direct red 2

Chemical Property of C.I. Direct Red 2

Chemical Property:

• Appearance/Colour: dark red or brown powder
• Melting Point: ca. 290 C (decomposes)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 232.64000
• Density: g/cm³
• LogP: 11.40420
• Storage Temp.: Amber Vial, -20°C Freezer
• Solubility.: Solubility Soluble in water, ethanol, acetone, sodium hydroxide,
• Water Solubility.: Soluble in water (20 mg/ml), acetone, ethanol (3 mg/ml), sodium hydroxide, and sulfuric acid.
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 12
• Rotatable Bond Count: 5
• Exact Mass: 724.11506348
• Heavy Atom Count: 50
• Complexity: 1250

Purity/Quality:

98%,99%, ^*data from raw suppliers

Benzopurpurin 4B ^*data from reagent suppliers

Safty Information:

• Hazard Codes: T
• Statements: 45-36/37/38
• Safety Statements: 53-45-60-37-26

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Dyes -> Benzidine Dyes
• Canonical SMILES: CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])N)C)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N.[Na+].[Na+]
• Uses: For dyeing primarily cotton and viscose rayon: Colour Index vol. 2 (3rd ed., 1971) p 2101. As an analytical reagent in detection of Al, Mg, Hg, Ag, U; as a biological stain; as pH indicator, violet 1.2 to red 4.0. Benzopurpurine 4B is a biological stain and pH indicator for pH 2.3-4.4.