1,2-Difluorobenzene

Modify Date: 2026-07-03 22:49:26

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

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2-difluorobenzene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey GOYDNIKZWGIXJT-UHFFFAOYSA-N
SMILES Fc1ccccc1F
Stability Stable. Incompatible with strong oxidizing agents. Highly flammable. Note low flash point.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table lists relevant public references with title, journal and publication metadata for this compound.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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

 1,2-Difluorobenzene | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 1,2-difluorobenzene?
A: InChIKey of 1,2-difluorobenzene is GOYDNIKZWGIXJT-UHFFFAOYSA-N.
Q: What English synonyms does 1,2-difluorobenzene have?
A: English synonyms of 1,2-difluorobenzene: 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.
Q: What is the CAS number of 1,2-difluorobenzene?
A: CAS number of 1,2-difluorobenzene is 367-11-3.
Q: What is the melting point of 1,2-difluorobenzene?
A: Melting point of 1,2-difluorobenzene is −34 °C(lit.).
Q: What is the LogP of 1,2-difluorobenzene?
A: LogP of 1,2-difluorobenzene is 2.23.
Q: What are the upstream materials of 1,2-difluorobenzene?
A: Related upstream materials(CAS) of 1,2-difluorobenzene: 348-54-9;139-87-7;36556-47-5;348-51-6;528-29-0;352-33-0;696-02-6;252936-43-9;462-06-6.
Q: What is the molecular formula of 1,2-difluorobenzene?
A: Molecular formula of 1,2-difluorobenzene is C6H4F2.
Q: What is the safety information for 1,2-difluorobenzene?
A: Safety information for 1,2-difluorobenzene: S7-S16-S29-S33.
Q: What is the English name of 1,2-difluorobenzene?
A: The English name of 1,2-difluorobenzene is 1,2-difluorobenzene.
Q: What is the SMILES notation of 1,2-difluorobenzene?
A: SMILES notation of 1,2-difluorobenzene is Fc1ccccc1F.

 1,2-Difluorobenzenefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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