4-Cyano-4'-pentyloxybiphenyl

Modify Date: 2024-01-02 16:38:00

4-Cyano-4'-pentyloxybiphenyl Structure
4-Cyano-4'-pentyloxybiphenyl structure
Common Name 4-Cyano-4'-pentyloxybiphenyl
CAS Number 52364-71-3 Molecular Weight 265.350
Density 1.1±0.1 g/cm3 Boiling Point 418.0±38.0 °C at 760 mmHg
Molecular Formula C18H19NO Melting Point 52 °C
MSDS Chinese USA Flash Point 175.3±20.6 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 4-Cyano-4'-pentyloxybiphenyl


m 15 liquid crystals are a member of the oxycyanobiphenyl family. They exhibit liquid crystalline phase in the temperature range of 47-67.5oC. H NMR of the phase transitions has been studied.

 Names

Name 4-Pentyloxy-[1,1'-biphenyl]-4'-carbonitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 418.0±38.0 °C at 760 mmHg
Melting Point 52 °C
Molecular Formula C18H19NO
Molecular Weight 265.350
Flash Point 175.3±20.6 °C
Exact Mass 265.146667
PSA 33.02000
LogP 5.24
Appearance of Characters liquid crystal (nematic)
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.567

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DV1764550
CHEMICAL NAME :
(1,1'-Biphenyl)-4-carbonitrile, 4'-(pentyloxy)-
CAS REGISTRY NUMBER :
52364-71-3
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C18-H19-N-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 34(4),23,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 34(4),23,1990

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H312-H315-H319-H332-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R20/21/22;R36/37/38
Safety Phrases S26-S36
RIDADR 3276
WGK Germany 3
RTECS DV1764550
Packaging Group III
Hazard Class 6.1
HS Code 2926909090

 Synthetic Route

 Customs

HS Code 2926909090
Summary HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles2

More Articles
X-Ray Studies on the Mesogen 4?-n-Pentyloxy-4-Biphenylcarbonitrile(5OCB) in the Solid Crystalline State Mandal P and Paul S

Mol. Cryst. Liq. Cryst. 131(3-4) , (1985)

Wide-line 1H NMR study of 4?-(pentyloxy)-4-biphenylcarbonitrile in different phase states Chuvaev VF, et al.

Russ. J. Inorg. Chem. 53(12) , 1925-1928

 Synonyms

EINECS 257-875-9
[1,1'-Biphenyl]-4-carbonitrile, 4'-(pentyloxy)-
4-[4-(pentyloxy)phenyl]benzonitrile
4'-(Pentyloxy)-4-biphenylcarbonitrile
4'-Amyloxy-4-biphenylcarbonitrile
4-(4-pentoxyphenyl)benzonitrile
4-Amyloxy-4'-cyanobiphenyl
4'-Pentyloxy-4-biphenylcarbonitrile
4'-(Pentyloxy)biphenyl-4-carbonitrile
4-Cyano-4'-pentyloxybiphenyl
4'-Pentyloxy-[1,1'-Biphenyl]-4-carbonitrile
MFCD00074879
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