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4'-Heptyloxy-4-cyanobiphenyl
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Name

4'-Heptyloxy-4-cyanobiphenyl

 EINECS 257-876-4
CAS No. 52364-72-4 Density 1.04 g/cm3
PSA 33.02000 LogP 5.57448
Solubility N/A Melting Point 54-57 °C(lit.)
Formula C20H23NO Boiling Point 442.9 °C at 760 mmHg
Molecular Weight 293.409 Flash Point 185.1 °C
Transport Information N/A Appearance N/A
Safety 26-36 Risk Codes 20/21/22-36/37/38
Molecular Structure Molecular Structure of 52364-72-4 (4'-Heptyloxy-4-cyanobiphenyl) Hazard Symbols HarmfulXn
Synonyms

4-(4-Heptyloxyphenyl)benzonitrile;4-(Heptyloxy)-4'-cyanobiphenyl;4-(n-Heptyloxy)-4'-cyanobiphenyl;4-Cyano-4'-(heptyloxy)biphenyl;4-Cyano-4'-heptoxy-1,1'-biphenyl;4'-Heptyloxy-1,1'-biphenyl-4-carbonitrile;7COB;7OCB;D 107;Ro CB 5324;p-(Heptyloxy)-p'-cyanobiphenyl;

Article Data 2

4'-Heptyloxy-4-cyanobiphenyl Chemical Properties

The Molecular Structure of (1,1'-Biphenyl)-4-carbonitrile, 4'-(heptyloxy)- (CAS NO.52364-72-4):

Molecular Formula: C20H23NO
Molecular Weight: 293.402720 g/mol
IUPAC: 4-(4-heptoxyphenyl)benzonitrile
Appearance: liquid crystal (nematic)
Nominal Mass: 293 Da
Average Mass: 293.4027 Da
Monoisotopic Mass: 293.177964 Da 
Index of Refraction: 1.557
Molar Refractivity: 90.17 cm3
Molar Volume: 280.1 cm3
Surface Tension: 44.6 dyne/cm
Density: 1.04 g/cm3
Flash Point: 185.1 °C
Enthalpy of Vaporization: 70.05 kJ/mol
Boiling Point: 442.9 °C at 760 mmHg
Vapour Pressure: 4.84E-08 mmHg at 25°C 
InChI
InChI=1/C20H23NO/c1-2-3-4-5-6-15-22-20-13-11-19(12-14-20)18-9-7-17(16-21)8-10-18/h7-14H,2-6,15H2,1H3
Product Categories: Biphenyl & Diphenyl ether;Biphenyls (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Cyanobiphenyls & Analogs (Liquid Crystals);Functional Materials;Liquid Crystals & Related Compounds
Smiles
N#Cc1ccc(c2ccc(OCCCCCCC)cc2)cc1 

4'-Heptyloxy-4-cyanobiphenyl Uses

 (1,1'-Biphenyl)-4-carbonitrile, 4'-(heptyloxy)- (CAS NO.52364-72-4) can be used as intermediates of Liquid Crystals.

4'-Heptyloxy-4-cyanobiphenyl Toxicity Data With Reference

 

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intraperitoneal > 1500mg/kg (1500mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(4), Pg. 23, 1990.
rat LD50 oral > 10gm/kg (10000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS		 Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(4), Pg. 23, 1990.

4'-Heptyloxy-4-cyanobiphenyl Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 20/21/22-36/37/38 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36 
S26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
RIDADR: 3276
WGK Germany: 3
RTECS: DV1764100
PackingGroup: III

4'-Heptyloxy-4-cyanobiphenyl Specification

 (1,1'-Biphenyl)-4-carbonitrile, 4'-(heptyloxy)- (CAS NO.52364-72-4) is also called as 4'-(Heptyloxy)-(1,1'-biphenyl)-4-carbonitrile ; 4-(4-Heptyloxyphenyl)benzonitrile ; 4-Cyano-4'-heptoxybiphenyl ; 4-Heptyloxycyanodiphenyl ; 7COB ; BRN 2217183 ; D 107 ; EINECS 257-876-4 ; Ro CB 5324 ; 4'-(Heptyloxy)(1,1'-biphenyl)-4-carbonitrile .

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