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| CAS No.: | 66-77-3 |
|---|---|
| Name: | 1-Naphthaldehyde |
| Molecular Structure: | |
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|
|
| Formula: | C11H8O |
| Molecular Weight: | 156.184 |
| Synonyms: | 1-Naphthaldehyde(8CI);1-Formylnaphthalene;1-Naphthylcarboxaldehyde;NSC6106;Naphthalene-1-aldehyde;Naphthalene-1-carbaldehyde;a-Naphthaldehyde;a-Naphthalenecarboxaldehyde;a-Naphthylcarboxaldehyde; |
| EINECS: | 200-633-4 |
| Density: | 1.155 g/cm3 |
| Melting Point: | 1-2 °C(lit.) |
| Boiling Point: | 292 °C at 760 mmHg |
| Flash Point: | 179.5 °C |
| Solubility: | Soluble in ethanol, ether, acetone, benzene. Insoluble in water. |
| Appearance: | Yellow liquid |
| Hazard Symbols: |
 Xn,  Xi
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 37/39-26-24/25-36/37-23-36 |
| Transport Information: | UN 3082 |
| PSA: | 17.07000 |
| LogP: | 2.65230 |
| Conditions | Yield |
|---|---|
| With oxygen; perruthenate modified mesoporous silicate MCM-41 In toluene at 80℃; for 1h; Oxidation; | 100% |
| With C23H35N3O3(1+)*Br(1-); copper In chlorobenzene at 80℃; for 15h; | 99% |
| With 1-hydroxy-1H-1,2,3-benziodoxathiole 1,3,3-trioxide; Oxone; cetyltrimethylammonim bromide In water at 20℃; for 2h; Green chemistry; chemoselective reaction; | 99% |
2,2-dimethyl-5-(naphthalen-1-ylmethylene)-1,3-dioxane-4,6-dione
1-naphthaldehyde
| Conditions | Yield |
|---|---|
| With copper(II) acetate dihydrate; manganese(III) triacetate dihydrate In acetic acid at 50℃; for 24h; Inert atmosphere; | 100% |
diacetoxy(1-naphthyl)methane
1-naphthaldehyde
| Conditions | Yield |
|---|---|
| With bismuth(III) chloride In chloroform for 0.333333h; deprotection; Heating; | 99% |
| With tin(ll) chloride In acetonitrile at 25℃; for 0.0333333h; Hydrolysis; | 99% |
| With H6P2W18O62 In toluene at 100℃; for 0.0833333h; | 99% |
| Conditions | Yield |
|---|---|
| With 1-dodecyl-3-methylimidazolium iron chloride; periodic acid at 30℃; for 1.5h; | 97% |
| With 4-methylmorpholine N-oxide; 1-ethyl-3-methyl-1H-imidazol-3-ium chloride; potassium iodide at 100℃; for 0.0333333h; Microwave irradiation; Ionic liquid; | 91% |
| With sodium nitrate; acetic acid In water for 3h; Reflux; | 87% |
| Conditions | Yield |
|---|---|
| With tri-n-butyl-tin hydride; tetrakis(triphenylphosphine) palladium(0) In benzene for 0.166667h; Ambient temperature; | 97% |
| With tri-n-butyl-tin hydride In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere; | 90% |
| With polymethylhydrosiloxane; trifuran-2-yl-phosphane; tetrabutyl ammonium fluoride; potassium fluoride; tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran; water at 20℃; for 1h; | 86% |
1-naphtylaldehyde oxime
1-naphthaldehyde
| Conditions | Yield |
|---|---|
| With molybdenum(V) chloride; zinc In acetonitrile at 20℃; for 0.116667h; | 97% |
| With ammonium peroxydisulfate; Montmorillonite K10; silver nitrate In hexane at 50℃; for 2.5h; | 95% |
| With iodine In acetonitrile for 4h; deoximation; Heating; | 93% |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In ethanol for 4h; Reflux; Green chemistry; | 96% |
| With sodium periodate In dichloromethane at 40 - 50℃; Ionic liquid; | 82% |
| With sodium periodate In N,N-dimethyl-formamide at 150℃; for 0.583333h; | 80% |
2-(naphth-1-yl)-1,3-dioxolane
1-naphthaldehyde
| Conditions | Yield |
|---|---|
| With lithium tetrafluoroborate In acetonitrile for 48h; Ambient temperature; | 96% |
| With ammonium cerium(IV) nitrate In methanol; water at 20℃; for 0.166667h; Ring cleavage; | 95% |
| With polyaniline-sulfate salt; water for 2h; Heating; | 90% |
| With sodium tetrahydroborate; nickel(II) chloride hexahydrate In methanol for 3h; Reflux; chemoselective reaction; | 86% |
| With Pyrene-1-carboxylic acid; C33H22NO4(1-)*Na(1+) In dimethylsulfoxide-d6; water-d2 at 85℃; for 6h; Reagent/catalyst; | 23 %Spectr. |
| Conditions | Yield |
|---|---|
| With Bis(N-methylpiperazinyl) aluminum hydride In tetrahydrofuran for 24h; Heating; | 95% |
| With 9-borabicyclo[3.3.1]nonane dimer; lithium dihydrido borata-bicyclo[3.3.0]nonane In tetrahydrofuran for 6h; Ambient temperature; | 80% |
| With 9-borabicyclo[3.3.1]nonane dimer; tert.-butyl lithium 1.) THF, room temp.; 2.) THF, pentane, -20 deg C, 10 min and room temp., 6 h; Yield given. Multistep reaction; | |
| With ThxBHO-s-Bu In tetrahydrofuran at 25℃; for 96h; Yield given; | |
| Multi-step reaction with 2 steps 1.1: thionyl chloride / N,N-dimethyl-formamide; dichloromethane / 4 h / Reflux 1.2: 12 h / 20 °C 2.1: sodium hydride; sodium iodide / mineral oil; tetrahydrofuran / 85 °C / Inert atmosphere; Sealed tube View Scheme |
acetic acid
1-Methylnaphthalene
A
naphthalen-1-ylmethyl acetate
B
1-naphthaldehyde
| Conditions | Yield |
|---|---|
| With ammonium cerium(IV) nitrate In water at 85℃; for 2h; | A 3% B 95% |
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Product Name: 1-Naphthaldehyde (CAS NO.66-77-3)
IUPAC Name: naphthalene-1-carbaldehyde
Molecular Formula:C11H8O
Molecular Weight: 156.180620 g/mol
Appearance: Yellow crystals
Melting Point: 1-2 °C(lit.)
Boiling Point: 160-161 °C15 mm Hg(lit.)
Flash Point: >230 °F
Solubility:ethanol, ether, acetone.
Density: 1.15 g/mL at 25 °C(lit.)
Vapor density: >1 (vs air)
Refractive index: n20/D 1.652(lit.)
Sensitive: Air
BRN: 386082
Index of Refraction: 1.675
Molar Refractivity: 50.84 cm3
Molar Volume: 135.2 cm3
Classification Code: Drug / Therapeutic Agent
1-Naphthaldehyde (CAS NO.66-77-3) is used for the synthesis of resin and Medicine.
|
Reported in EPA TSCA Inventory.
Safety Information of 1-Naphthaldehyde (CAS NO.66-77-3):
Hazard Codes: Xn
,Xi
Risk Statements: 22-36/37/38
22:Harmful if swallowed
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 37/39-26-24/25-36/37-23-36
37/39:Wear suitable gloves and eye/face protection
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
24/25:Avoid contact with skin and eyes
36/37:Wear suitable protective clothing and gloves
23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
36:Wear suitable protective clothing
RIDADR:3082
WGK Germany:3
RTECS:QJ0190000
PackingGroup:III
HS Code:29122900
Moderately toxic by an unspecified route. When heated to decomposition it emits acrid smoke and irritating fumes.
1-Naphthaldehyde , its CAS NO. is 66-77-3, the synonyms are 1-Formylnaphthalene ; 1-Naphthalenecarboxaldehyde ; alpha-Naphthal ; alpha-Naphthaldehyde ; alpha-Naphthylaldehyde ; alpha-Naphthylcarboxaldehyde .
