1,4-Difluorobenzene Structure

1,4-Difluorobenzene

Chemical Properties

Melting point -13 °C (lit.)
Boiling point 88-89 °C (lit.)
Density  1.11 g/mL at 25 °C (lit.)
refractive index  n20/D 1.441(lit.)
Flash point 36 °F
storage temp.  room temp
solubility  1.2g/l
form  Liquid
Specific Gravity 1.110
color  Clear colorless to slightly yellow
Specific Heat Capacity Cp(liquid): 1.38 J/(g·K), at 25℃
Merck  14,3148
BRN  1904541
Henry's Law Constant 1.6×10-3 mol/(m3Pa) at 25℃, Hiatt (2013)
Dielectric constant 2.2599999999999998
Major Application environmental
InChI 1S/C6H4F2/c7-5-1-2-6(8)4-3-5/h1-4H
InChIKey QUGUFLJIAFISSW-UHFFFAOYSA-N
SMILES Fc1ccc(F)cc1
CAS DataBase Reference 540-36-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII Y9FQ2EF0Z6
NIST Chemistry Reference Benzene, 1,4-difluoro-(540-36-3)
EPA Substance Registry System 1,4-Difluorobenzene (540-36-3)
UNSPSC Code 12352100
NACRES NA.22

Safety

Symbol(GHS) Flame (GHS02)
Signal wordDanger
Hazard statements H333-H225
Precautionary statements P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P304+P312-P303+P361+P353-P403+P235
Hazard Codes  F,Xn,T
Risk Statements  11-20-39/23/24/25-23/24/25
Safety Statements  16-29-33-7-45-36/37-7/9
RIDADR  UN 1993 3/PG 2
WGK Germany  3
RTECS  CZ5658000
Hazard Note  Highly Flammable
HazardClass  3
PackingGroup  II
HS Code  29036990
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
NFPA 704:
3
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1,4-Difluorobenzene Chemical Properties,Usage,Production

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