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Cas Database

Name	9-Anthraldehyde	EINECS	211-383-0
CAS No.	642-31-9	Density	1.217 g/cm³
PSA	17.07000	LogP	3.80550
Solubility	Insoluble		Melting Point	103-105 °C(lit.)
Formula	C₁₅H₁₀O	Boiling Point	405.7 °C at 760 mmHg
Molecular Weight	206.244	Flash Point	269.2 °C
Transport Information	N/A	Appearance	yellow powder
Safety	24/25-36	Risk Codes	36/37/38-20/21/22
Molecular Structure		Hazard Symbols	Xn
Synonyms	9-Anthraldehyde(6CI,7CI,8CI);9-Anthracenecarbaldehyde;9-Anthracenemethanal;9-Formylanthracene;NSC 15;	Article Data	139

9-Anthraldehyde Synthetic route

: 1468-95-7
9-hydroxymethylanthracene

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With potassium carbonate; chlorobenzene In toluene at 105℃; for 24h;	100%
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In N,N-dimethyl-formamide at 23 - 25℃; for 7.5h;	100%
With polymeric complex of oxodiperoxochromium(VI) compound and pyrazine (Pyz-CrO5)n In dichloromethane for 0.6h; Ambient temperature;	99%

: 120-12-7
anthracene

: 132407-64-8
trifluoromethanesulphonyloxy-methylene-N,N-dimethyliminium trifluoromethanesulphonate

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
In dichloromethane at 37℃; for 48h;	98%

: 18004-57-4
9-anthracenealdehyde oxime

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With cethyltrimethylammonium permanganate In dichloromethane at 25℃; for 0.25h;	96%
With polymeric complex of oxodiperoxochromium(VI) compound and pyrazine (Pyz-CrO5)n In dichloromethane for 0.9h; Ambient temperature;	90%

: 4885-02-3
Dichloromethyl methyl ether

: 120-12-7
anthracene

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With titanium tetrachloride In dichloromethane at 0 - 20℃;	95%

: 38982-12-6
3-(anthracene-9-yl)acrylaldehyde

A: 75-07-0
acetaldehyde

B: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With tetra(n-butyl)ammonium hydroxide; water at 150℃; for 0.166667h; Reagent/catalyst; Microwave irradiation; Green chemistry;	A n/a B 93%

: 120-12-7
anthracene

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With silica gel; trichlorophosphate for 0.025h; Formylation; Microwave irradiation (300 W);	92%
With trichlorophosphate In chlorobenzene for 2h; Schlenk technique; Inert atmosphere; Reflux;	85%
With trichlorophosphate In 1,2-dichloro-ethane at 40℃; for 1h; Vilsmeier Haack formylation; ultrasound irradiation;	80%

: 2444-68-0
9-vinylanthracene

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With sodium periodate In water; ethyl acetate; acetonitrile at 0℃; for 3h;	92%
With aluminum oxide; potassium permanganate In dichloromethane at 20℃; for 48h;	30%
With isobutyraldehyde In acetonitrile at 80℃; for 24h;

: 151-50-8
potassium cyanide

: 93496-78-7
9-cyano-10-anthracenocarboxaldehyde

A: 1210-12-4
9-cyanoanthracene

B: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
In ethanol; water at 80℃; for 31h;	A 91% B 9.4%

: 848030-49-9
9-(dipropionyloxymethyl)anthracene

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With tetra-N-butylammonium tribromide In methanol at 20℃; for 9h;	91%

: 130614-22-1
C18H16S2

: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
With eosin y In water; acetonitrile at 20℃; for 2h; Irradiation;	91%

9-Anthraldehyde Chemical Properties

Molecular Formula: C₁₅H₁₀O
Molar mass: 206.24 g/mol
Density: 1.217 g/cm³
Flash Point: 269.2 °C
Index of Refraction: 1.745
Boiling Point: 405.7 °C at 760 mmHg
Vapour Pressure: 8.58E-07 mmHg at 25°C
Melting point: 103-105 °C(lit.)
Sensitive: Air Sensitive
Appearance: yellow powder
Stability: Stable. Incompatible with strong bases, strong oxidizing agents.
Structure of 9-Anthraldehyde(642-31-9):

Synonyms of 9-Anthraldehyde(642-31-9): Anthracen-9-carbaldehyd;9-Anthracenecarbaldehyde;anthracene-9-carbaldehyde;9-anthracenecarboxaldehyde
Product Categories: Anthracenes;Aromatic Aldehydes & Derivatives (substituted)

9-Anthraldehyde Uses

9-Anthraldehyde(642-31-9) can be used as a dye and medicine intermediates.

9-Anthraldehyde Production

Raw materials: yellow phosphorus, liquid chlorine.

9-Anthraldehyde Toxicity Data With Reference

Carcinogenicity of 9-Anthraldehyde(642-31-9) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65.You can see actual entry in RTECS for complete information.

9-Anthraldehyde Safety Profile

Hazard Codes: Xi

Risk Statements:
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
24: Avoid contact with skin
25: Avoid contact with eyes
36: Wear suitable protective clothing

9-Anthraldehyde Specification

9-Anthraldehyde(642-31-9) is hazardous,so the first aid measures and others should be known .Such as:
Skin: Get medical aid. Should flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing and shoes.
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.
Inhalation: Remove from exposure and move to fresh air immediately.And as soon as to get medical aid.
Ingestion: Wash mouth out with water,and get medical aid immediately.
Notes to Physician: Treat supportively and symptomatically.
Polymerization of the 9-Anthraldehyde(642-31-9) is sensitive with air,and is not compatible with strong oxidizing agents and strong bases, and not be exposured to moist air or water.And also prevent it to broken down into hazardous decomposition products: Carbon dioxide,carbon monoxide.

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