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1-Naphthalenecarboxaldehyde,4-hydroxy- (7770-45-8)

Identification
Name:1-Naphthalenecarboxaldehyde,4-hydroxy-
Synonyms:1-Naphthaldehyde,4-hydroxy- (6CI,7CI,8CI); 4-Hydroxy-1-naphthaldehyde;4-Hydroxy-1-naphthalenecarbaldehyde; 4-Hydroxy-1-naphthalenecarboxaldehyde;4-Hydroxynaphthalene-1-carboxaldehyde; NSC 401124
CAS:7770-45-8
Molecular Formula: C11H8 O2
Molecular Weight: 172.18
InChI: InChI=1/C11H8O2/c12-7-8-5-6-11(13)10-4-2-1-3-9(8)10/h1-7,13H
Molecular Structure: (C11H8O2) 1-Naphthaldehyde,4-hydroxy- (6CI,7CI,8CI); 4-Hydroxy-1-naphthaldehyde;4-Hydroxy-1-naphthalenecarbald...
Properties
Melting Point: 179-182 oC
Density:1.288 g/cm3
Refractive index:1.719
Appearance:off-white or brown powder
Specification:

The IUPAC name of 4-Hydroxy-1-naphthaldehyde is 4-Hydroxynaphthalene-1-carbaldehyde. With the CAS registry number 7770-45-8, it is also named as 1-Naphthalenecarboxaldehyde,4-hydroxy-. The product's categories are Aldehydes, C10 to C21, Carbonyl Compounds. Besides, it is off-white or brown powder, which should be stored in closed, cool and dry place. And you should ensure the container filled with inert gas with good ventilation. In addition, its molecular formula is C11H8O2 and molecular weight is 172.18.

The other characteristics of this product can be summarized as: (1)XLogP3: 2.8; (2)Rotatable Bond Count: 1; (3)Tautomer Count: 4; (4)Exact Mass: 172.05243; (5)MonoIsotopic Mass: 172.05243; (6)Heavy Atom Count: 13; (7)Complexity: 191; (8)H bond acceptors: 2; (9)H bond donors: 1; (10)Freely Rotating Bonds: 2; (11)Polar Surface Area: 26.3 Å2; (12)Index of Refraction: 1.719; (13)Molar Refractivity: 52.72 cm3; (14)Molar Volume: 133.6 cm3; (15)Polarizability: 20.9×10-24cm3; (16)Surface Tension: 59.4 dyne/cm; (17)Density: 1.288 g/cm3; (18)Flash Point: 155.7 °C; (19)Melting point: 179-182 °C; (20)Enthalpy of Vaporization: 63.52 kJ/mol; (21)Boiling Point: 364.9 °C at 760 mmHg; (22)Vapour Pressure: 7.75E-06 mmHg at 25 °C.

Preparation of 4-Hydroxy-1-naphthaldehyde: this chemical can be prepared by 1-Diacetoxymethyl-1,4-epoxy-1,4-dihydronaphthalin.



This reaction needs conc. H2SO4 and aq. Ethanol at temperature of 65 °C. The reaction time is 20 hours. The yield is 51 %.

Uses of 4-Hydroxy-1-naphthaldehyde: it is used for producting [1,4]Naphthoquinone.



This reaction needs ON(SO3K)2, CHCl3 and various solvent(s) with pH 6. The reaction time is 9 hours. The yield is 84 %.

When you are using this chemical, please be cautious about it as the following: 4-Hydroxy-1-naphthaldehyde is irritating to eyes, respiratory system and skin. Please wear suitable protective clothing. Moreover, in case of contact with eyes, please rinse immediately with plenty of water and seek medical advice.

People can use the following data to convert to the molecule structure.
(1)SMILES:O=Cc2c1ccccc1c(O)cc2
(2)InChI:InChI=1/C11H8O2/c12-7-8-5-6-11(13)10-4-2-1-3-9(8)10/h1-7,13H
(3)InChIKey:LORPDGZOLAPNHP-UHFFFAOYAX
(4)Std. InChI:InChI=1S/C11H8O2/c12-7-8-5-6-11(13)10-4-2-1-3-9(8)10/h1-7,13H
(5)Std. InChIKey:LORPDGZOLAPNHP-UHFFFAOYSA-N

Safety Data
Hazard Symbols Xi: Irritant