1,3-Difluorobenzene (372-18-9),1,3-Difluorobenzene (372-18-9) Manufacturers & Suppliers,Synthesis,MSDS

Basic information

Name:
1,3-Difluorobenzene
CAS No.:
372-18-9
Molecular Structure:
Formula:
C₆H₄F₂
Molecular Weight:
114.09 .
Synonyms:
Benzene, 1, 3-difluoro-;Benzene, m-difluoro-;Benzene, 1,3-difluoro- (9CI);1,3-Difluoro-benzene;
EINECS:
206-746-5
Density:
1.165 g/cm³
Melting Point:
-59 °C
Boiling Point:
83.9 °C at 760 mmHg
Flash Point:
2.2 °C
Solubility:
insoluble in water
Appearance:
clear colorless to yellowish liquid
Hazard Symbols:
F, Xn
Risk Codes:
11-20
Safety Description:
7-16-29-33-7/9 Details
Transport Information:
UN 1993 3/PG 2

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Chemistry

Molecule structure of 1,3-Difluorobenzene (CAS NO.372-18-9):

IUPAC Name: 1,3-Difluorobenzene
Molecular Weight: 114.092766 g/mol
Molecular Formula: C₆H₄F₂
Density: 1.165 g/cm³
Melting Point: -59 °C
Boiling Point: 83.9 °C at 760 mmHg
Flash Point: 2.2 °C
Index of Refraction: 1.448
Molar Refractivity: 26.24 cm³
Molar Volume: 97.8 cm³
Surface Tension: 26.2 dyne/cm
Enthalpy of Vaporization: 31.1 kJ/mol
Vapour Pressure: 82.7 mmHg at 25 °C
Storage Temp.: flammables area
Water Solubility: insoluble
H-Bond Acceptor: 2
Exact Mass: 114.028107
MonoIsotopic Mass: 114.028107
Canonical SMILES: C1=CC(=CC(=C1)F)F
InChI: InChI=1S/C6H4F2/c7-5-2-1-3-6(8)4-5/h1-4H
InChIKey: UEMGWPRHOOEKTA-UHFFFAOYSA-N
EINECS: 206-746-5
Product Categories: Aromatic Hydrocarbons (substituted) & Derivatives; Fluorobenzene; Fluorine Compounds; Aryl; C6; Halogenated Hydrocarbons

Uses

1,3-Difluorobenzene (CAS NO.372-18-9) is used as important intermediate of synthesis fluorine-containing medicine and pesticide.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LC50	inhalation	55gm/m3/2H (55000mg/m3)	BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS	Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR, Seriya Biologomeditsinskikh Nauk. Vol. 3, Pg. 91, 1965.

Safety Profile

Hazard Codes: F, Harmful Xn
Risk Statements: 11-20
R11:Highly flammable.
R20:Harmful by inhalation.
Safety Statements: 7-16-29-33-7/9
S7:Keep container tightly closed.
S16:Keep away from sources of ignition.
S33:Take precautionary measures against static discharges.
S9:Keep container in a well-ventilated place.
RIDADR: UN 1993 3/PG 2
WGK Germany: 1
RTECS: CZ5652000
Hazard Note: Highly Flammable
HazardClass: 3
PackingGroup: II
HS Code: 29036990

Specification

1,3-Difluorobenzene (CAS NO.372-18-9) is also named as NSC 10285 ; m-Difluorobenzene ; Benzene, 1,3-difluoro- (9CI) ; Benzene, m-difluoro- . 1,3-Difluorobenzene (CAS NO.372-18-9) is clear colorless to yellowish liquid. It is toxic and flammable. It will produce toxic fluoride gas by heat. So the storage environment should be ventilate, low-temperature and dry. Keep 1,3-Difluorobenzene (CAS NO.372-18-9) separate from oxidant.