1,4-Difluorobenzene

Modify Date: 2024-01-02 20:20:15

1,4-Difluorobenzene Structure
1,4-Difluorobenzene structure
Common Name 1,4-Difluorobenzene
CAS Number 540-36-3 Molecular Weight 114.093
Density 1.2±0.1 g/cm3 Boiling Point 90.4±13.0 °C at 760 mmHg
Molecular Formula C6H4F2 Melting Point -13 °C
MSDS Chinese USA Flash Point 2.2±0.0 °C
Symbol GHS02
GHS02
Signal Word Danger

 Names

Name 1,4-difluorobenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 90.4±13.0 °C at 760 mmHg
Melting Point -13 °C
Molecular Formula C6H4F2
Molecular Weight 114.093
Flash Point 2.2±0.0 °C
Exact Mass 114.028107
LogP 2.39
Vapour Pressure 63.6±0.2 mmHg at 25°C
Index of Refraction 1.449

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CZ5658000
CHEMICAL NAME :
Benzene, p-difluoro-
CAS REGISTRY NUMBER :
540-36-3
LAST UPDATED :
199709
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H4-F2
MOLECULAR WEIGHT :
114.10
WISWESSER LINE NOTATION :
FR DF

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
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 S16-S29-S33-S7-S45-S36/37
RIDADR UN 1993 3/PG 2
WGK Germany 3
RTECS CZ5658000
Packaging Group II
Hazard Class 3
HS Code 29036990

 Synthetic Route

 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%

 Articles1

More Articles
Prediction of convulsant activity of gases and vapors.

Eur. J. Med. Chem. 44 , 885-90, (2009)

The convulsant activity of 48 compounds studied by Eger et al. has been analyzed using an Abraham solvation equation. Four compounds identified by Eger et al. as more potent than expected were similar...

 Synonyms

1,4-Difluorobenzene
2,5-difluorobenzene
Benzene, 1,4-difluoro-
FR DF BVR
p-Difluorobenzene
para-Difluorobenzene
MFCD00000344
Benzene,p-difluoro
EINECS 208-742-9
1.4-difluorobenzene
Benzene,1,4-difluoro
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