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1-fluoro-2,4-dinitrobenzene

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Origin: China

Cas No: 70-34-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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CAS No.: 70-34-8 Formula: C6H3FN2O4 Molecular Weight: 186.09700

Description

1-Fluoro-2,4-dinitrobenzene (commonly called Sanger's reagent, dinitrofluorobenzene, DNFB or FDNB) is a chemical used for polypeptide sequencing.

Basic Info

Chemical Name	1-fluoro-2,4-dinitrobenzene
Synonyms	Benzene, 1-fluoro-2,4-dinitro-; FDNB; 2,4-dinitro-fluoro-benzene; DNFB; Benzene,1-fluoro-2,4-dinitro; 2,4-Dinitro-1-fluorobenzene; Dinitrofluorobenzene; Fluorodinitrobenzene; fluoro-2,4-dinitrobenzene;
CAS No.	70-34-8
Molecular Formula	C6H3FN2O4
Molecular Weight	186.09700
PSA	91.64000
LogP	2.68850

Properties

Appearance & Physical State	yellow crystals
Density	1.48
Boiling Point	296ºC
Melting Point	23-26ºC
Flash Point	132.8ºC
Refractive Index	1.568-1.57
Water Solubility	400 mg/L (25 ºC)
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
Storage Condition	2-8ºC

Safety Info

RTECS	CZ7800000
Hazard Class	6.1
Safety Statements	S22-S26-S28-S36/37/39-S45
HS Code	29049085
WGK Germany	3
Packing Group	III
RIDADR	UN 3261
Risk Statements	R22; R23/24/25; R33; R34; R40; R42/43
Hazard Codes	C
Caution Statement	P261; P280; P305 + P351 + P338
Signal Word	Warning
Hazard Declaration	H302; H315; H317; H319; H335; H373
Symbol	GHS07, GHS08

Synthesis Route

monofluorobenzene→1-fluoro-2,4-dinitrobenzene+4-Fluoronitrobenzene
4-Fluorobenzeneboronic acid→1-fluoro-2,4-dinitrobenzene+4-Fluoronitrobenzene
(4-fluorophenyl)-trimethylsilane→1-fluoro-2,4-dinitrobenzene+4-Fluoronitrobenzene

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LDLo - Lowest published lethal dose	Rodent - rat	50 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Administration onto the skin	LDLo - Lowest published lethal dose	Rodent - mouse	100 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Subcutaneous	LDLo - Lowest published lethal dose	Rodent - mouse	100 mg/kg	1.Details of toxic effects not reported other than lethal dose value

Precursor

4-Fluorobenzeneboronic acid
1-chloro-2,4-dinitrobenzene
2,4-Dinitro-1-(trifluoromethoxy)benzene
monofluorobenzene

Downstream Product

NAlpha-(2,4-dinitro-phenyl)-L-histidine
1-(2,4-dinitrophenyl)-1-oxidopiperidin-1-ium
2-(2,4-dinitroanilino)-3-phenylpropanoic acid
1-(2-methoxyphenyl)-2,4-dinitrobenzene

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