1,2-Difluorobenzene

Modify Date: 2025-08-21 17:23:00

1,2-Difluorobenzene Structure
1,2-Difluorobenzene structure
 Common Name 1,2-Difluorobenzene
CAS Number 367-11-3 Molecular Weight 114.093
Density 1.2±0.1 g/cm3 Boiling Point 93.3±13.0 °C at 760 mmHg
Molecular Formula C6H4F2 Melting Point −34 °C(lit.)
MSDS Chinese USA Flash Point 2.2±0.0 °C
Symbol GHS02
GHS02		 Signal Word Danger

 Names

Name 1,2-difluorobenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 93.3±13.0 °C at 760 mmHg
Melting Point −34 °C(lit.)
Molecular Formula C6H4F2
Molecular Weight 114.093
Flash Point 2.2±0.0 °C
Exact Mass 114.028107
LogP 2.23
Vapour Pressure 56.6±0.2 mmHg at 25°C
Index of Refraction 1.449
Stability Stable. Incompatible with strong oxidizing agents. Highly flammable. Note low flash point.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CZ5655000
CHEMICAL NAME :
Benzene, o-difluoro-
CAS REGISTRY NUMBER :
367-11-3
BEILSTEIN REFERENCE NO. :
1905113
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H4-F2
MOLECULAR WEIGHT :
114.10
WISWESSER LINE NOTATION :
FR BF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
55 gm/m3/2H
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
IZSBAI Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR, Seriya Biologomeditsinskikh Nauk. (Novosibirsk, USSR) No.1-3, 1963-68. For publisher information, see ISBNBN. Volume(issue)/page/year: 3,91,1965

 Safety Information

Symbol GHS02
GHS02
Signal Word Danger
Hazard Statements H225
Precautionary Statements P210
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable
Risk Phrases R11;R20
Safety Phrases S7-S16-S29-S33
RIDADR UN 1993 3/PG 2
WGK Germany 3
RTECS CZ5655000
Packaging Group II
Hazard Class 3
HS Code 29036990

 Customs

HS Code 2903999090
Summary 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Articles10

More Articles
Vibrational spectra and trace determination of p-difluorobenzene and ethylbenzene.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 107 , 1-7, (2013)

In this work, the structures and normal vibrations of p-difluorobenzene and ethylbenzene in the first excited state have been studied using resonant two-photon ionization spectrum and ab initio quantu...

Ionized o-, m-, and p-difluorobenzene dissociate through ring-opened intermediates: a TPEPICO investigation.

J. Am. Soc. Mass Spectrom. 20(1) , 20-4, (2009)

Threshold photoelectron photoion coincidence (TPEPICO) experiments have shown that o-, m-, and p-difluorobenzene ions dissociate via a common, ring-opened intermediate and not via ionized p-difluorobe...

Regioselectivity of cytochrome P-450 catalyzed hydroxylation of fluorobenzenes predicted by calculated frontier orbital substrate characteristics.

Biochemistry 32(18) , 4801-12, (1993)

In the present study, a hypothesis is presented for the prediction of the regioselectivity of cytochrome P-450 catalyzed hydroxylation of fluorobenzenes. The regioselectivity of the in vivo hydroxylat...

 Synonyms

ortho-difluorobenzene
Isoamylamine
o-Difluorobenzene
2-Difluorobenzene
o-difluoro-benzen
1,2-Difluorobenzene
EINECS 206-680-7
Benzene,o-difluoro
1,2-difluroethylene
1,2-difluoro-benzene
FR BF
difluorobenzene
1,2-Difluorbenzol
MFCD00000284
1,2-diflurobenzene
Benzene, 1,2-difluoro-
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