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89-98-5

Basic Information
CAS No.: 89-98-5
Name: 2-Chlorobenzaldehyde
Article Data: 501
Molecular Structure:
Molecular Structure of 89-98-5 (2-Chlorobenzaldehyde)
Formula: C7H5ClO
Molecular Weight: 140.569
Synonyms: O-chlorobenzaldehyde (OCBA);2-Chloro benzaldehyde;Benzaldehyde,o-chloro- (8CI);
EINECS: 201-956-3
Density: 1.243 g/cm3
Melting Point: 9-11 °C(lit.)
Boiling Point: 211.9 °C at 760 mmHg
Flash Point: 85 °C
Solubility: 0.1-0.5 g/100 mL at 24 °C in water
Appearance: colourless to brown liquid
Hazard Symbols: CorrosiveC, IrritantXi
Risk Codes: 34
Safety: 26-45
Transport Information: UN 3265 8/PG 3
PSA: 17.07000
LogP: 2.15250
Synthetic route
17849-38-6

2-Chlorobenzyl alcohol

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With n-butyltriphenylphosphonium permanganate In acetonitrile at 20℃; for 0.25h;100%
With ferric nitrate; barium(II) chloride at 90℃; for 0.166667h;100%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In dichloromethane; water under 760.051 Torr; for 4h; Green chemistry;100%
150480-30-1

2-chlorobenzyl trimethylsilyl ether

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With nitrogen dioxide at 20℃; for 1h;100%
With 2,6-dicarboxypyridinium fluorochromate In acetonitrile at 20℃; for 0.1h;98%
With N-benzyl-N,N-dimethyl anilinium peroxodisulfate In acetonitrile for 0.116667h; Reflux;98%
13086-95-8

1,1-diacetoxy-1-(2-chlorophenyl)methane

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With water; silica sulfate In benzene for 0.0333333h; Heating;99%
With potassium tert-butylate; 3-Dimethylaminophenol In tetrahydrofuran for 0.0833333h;98%
With sodium hydrogen sulfate; PEG-2000 at 70℃; for 0.5h;96%
609-66-5

2-chlorobenzamide

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With samarium diiodide; phosphoric acid In tetrahydrofuran for 0.000833333h; Ambient temperature;99%
With lithium-tris(diethylamino)hydridoaluminate In tetrahydrofuran for 12h; Ambient temperature;68%
89-97-4

2-CHLOROBENZYLAMINE

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; laccasefrom Trametes versicolor; oxygen In water at 30℃; for 24h; pH=4.5; Enzymatic reaction;99%
With 3-carboxypyridinium dichromate In acetonitrile at 20℃; for 0h;93%
With zinc dichromate trihydrate at 20℃; grinding; neat (no solvent); chemoselective reaction;90%
3717-28-0

2-chloro benzaldehyde oxime

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With Cr-MCM-41 zeolite on silica gel for 0.0833333h; microwave irradiation;98%
With molybdenum(V) chloride; zinc In acetonitrile at 20℃; for 0.166667h;95%
With tris[trinitratocerium(IV)] paraperiodate at 90℃; for 0.166667h;95%
83521-68-0

2-(2-chlorophenyl)-1,3-dithiolane

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With silica gel; copper(II) nitrate In tetrachloromethane for 0.25h; Ambient temperature;98%
With dimethyl sulfoxide at 20℃; for 2h; Solvent;89%
69849-09-8

2-(2-chlorophenyl)-1,3-dithiane

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With silica gel; copper(II) nitrate In tetrachloromethane for 1h; Ambient temperature;98%
With silica gel; iodic acid at 20℃; for 0.0208333h;93%
With quinolinium monofluorochromate(VI) In acetonitrile for 4h; Heating;92%
With 2,6-dicarboxypyridinium chlorochromate In acetonitrile for 2.13333h; Heating;88%
With water In 1,4-dioxane at 100℃; for 48h; Inert atmosphere;78%
17849-38-6

2-Chlorobenzyl alcohol

98-95-3

nitrobenzene

A

32347-02-7, 5877-49-6

2-chlorobenzalaniline

B

89-98-5

2-chloro-benzaldehyde

Conditions
ConditionsYield
With α,α,α-trifluorotoluene; titanium(IV) oxide In dodecane under 750.075 Torr; for 3h; Darkness; Inert atmosphere; Irradiation;A 96.98%
B n/a
95-49-8

2-methylchlorobenzene

A

89-98-5

2-chloro-benzaldehyde

B

611-17-6

1-bromomethyl-2-chlorobenzene

C

118-91-2

ortho-chlorobenzoic acid

Conditions
ConditionsYield
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h; Kinetics; Mechanism; Rate constant; other time; other temperature; various concentrations of Co(OAc)2 and NaBr;A n/a
B n/a
C 96%
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h;A n/a
B n/a
C 95%
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  • 2-Chlorobenzaldehyde         CAS: 89-98-5

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Chemistry

The Molecular Structure of 2-Chlorobenzaldehyde (CAS NO.89-98-5):

Empirical Formula: C7H5ClO
Molecular Weight: 140.567 
IUPAC Name: 2-chlorobenzaldehyde   
Appearance: colourless to brown liquid 
Nominal Mass: 140 Da
Average Mass: 140.567 Da
Monoisotopic Mass: 140.002892 Da 
Index of Refraction: 1.585
Molar Refractivity: 37.9 cm3
Molar Volume: 113 cm3
Surface Tension: 42.2 dyne/cm
Density: 1.243 g/cm3
Flash Point: 87.8 °C
Melting Point: 10-11.5 °C
Water Solubility: 0.1-0.5 g/100 mL at 24 ºC 
Enthalpy of Vaporization: 44.82 kJ/mol
Boiling Point: 211.9 °C at 760 mmHg
Vapour Pressure: 0.178 mmHg at 25°C 
Synonyms: 2-chloorbenzaldehyde ; 2-Chlorbenzaldehyd ; 2-chloro-benzaldehyd ; 2-Clorobenzaldeide ; Benzaldehyde, o-chloro- ; Benzaldehyde,2-chloro- ; o-Chloorbenzaldehyde   
Product Categories: Aromatic Aldehydes & Derivatives (substituted);C7Alphabetic;Aldehydes;C;Carbonyl Compounds;CH;C7

Uses

 2-Chlorobenzaldehyde (CAS NO.89-98-5) is used as the intermediates of dye, pesticide, medicine in organic synthesis. 2-Chlorobenzaldehyde is available for the preparation of ethychlozate that is a plant growth regulator. It is also used to synthesize acaricides, such as clofentezine and flutenzine.

Toxicity Data With Reference

1.    

ipr-mus LD50:10 mg/kg

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .
2.    

ivn-rbt LD50:8500 µg/kg

    PJPPAA    Polish Journal of Pharmacology and Pharmacy. 31 (1979),563.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by intraperitoneal and intravenous routes. When heated to decomposition it emits toxic fumes of Cl. See also ALDEHYDES and CHLORIDES .
Hazard Codes: IrritantXiCorrosiveC
Risk Statements: 34 
R34: Causes burns
Safety Statements: 26-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3265 8/PG 3
WGK Germany: 1
RTECS: CU5075000
F: 8-9-23
Hazard Note: Irritant
HazardClass: 8
PackingGroup: III
HS Code: 29130000