2,4-Dinitrofluorobenzene , >99.0%(GC) , 70-34-8

Synonym(s):
2,4-Dinitro-1-fluorobenzene;DNFB;DNPF;FDNB;Sanger reagent

CAS NO.：70-34-8

Empirical Formula: C6H3FN2O4

Molecular Weight: 186.1

MDL number: MFCD00007056

EINECS: 200-734-3

PRODUCT Properties

• Melting point: 25-27 °C (lit.)
• Boiling point: 178 °C/25 mmHg (lit.)
• Density: 1.482 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.569(lit.)
• Flash point: >230 °F
• storage temp.: 2-8°C
• solubility: chloroform: 0.1 g/mL, clear
• form: Liquid or Low Melting Crystals
• color: Yellow to brownish
• Specific Gravity: 1.482
• Water Solubility: 400 mg/L (25 ºC)
• Merck: 14,4172
• BRN: 398632
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
• CAS DataBase Reference: 70-34-8(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1-fluoro-2,4-dinitro-(70-34-8)
• EPA Substance Registry System: 2,4-Dinitrofluorobenzene (70-34-8)

Description and Uses

1-Fluoro-2,4-dinitrobenzene is used to identify the amino acid sequence. It reacts with amino group of amino acids to yield dinitrophenyl-amino acids. It is also used in chromatographic methods. Further, it acts as an alkylating agent used in elucidating amino acid sequence in proteins.

Safety

• Symbol(GHS): GHS07,GHS08
• Signal word: Warning
• Hazard statements: H302-H315-H317-H319-H335-H373
• Precautionary statements: P280-P301+P312+P330-P302+P352-P305+P351+P338-P314
• Hazard Codes: C,T,Xn
• Risk Statements: 22-33-34-42/43-40-23/24/25-43-36/38-36/37/38
• Safety Statements: 22-26-36/37/39-45-28A-23-7/9-36/37
• RIDADR: UN 3261 8/PG 2
• WGK Germany: 3
• RTECS: CZ7800000
• Hazard Note: Toxic
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29049085
• Hazardous Substances Data: 70-34-8(Hazardous Substances Data)
• Limited Quantities: 100ml (liquid) or 0.5 Kg (solid)
• Excepted Quantities: Max Inner Pack (1g or 1ml) and Max Outer Pack (500g or 500ml)