2-Chlorobenzaldehyde

Modify Date: 2025-08-19 20:59:05

2-Chlorobenzaldehyde structure	Common Name	2-Chlorobenzaldehyde
	CAS Number	89-98-5	Molecular Weight	140.567
	Density	1.2±0.1 g/cm3	Boiling Point	211.9±0.0 °C at 760 mmHg
	Molecular Formula	C₇H₅ClO	Melting Point	9-11 °C(lit.)
	MSDS	Chinese USA	Flash Point	87.8±0.0 °C
	Symbol	GHS05	Signal Word	Danger

Name	2-Chlorobenzaldehyde
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	211.9±0.0 °C at 760 mmHg
Melting Point	9-11 °C(lit.)
Molecular Formula	C₇H₅ClO
Molecular Weight	140.567
Flash Point	87.8±0.0 °C
Exact Mass	140.002899
PSA	17.07000
LogP	2.33
Vapour density	4.84 (vs air)
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.585
InChIKey	FPYUJUBAXZAQNL-UHFFFAOYSA-N
SMILES	O=Cc1ccccc1Cl
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, iron, strong reducing agents. Moisture and light-sensitive.
Water Solubility	0.1-0.5 g/100 mL at 24 ºC

2-Chlorobenzaldehyde MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CU5075000

CHEMICAL NAME :: Benzaldehyde, o-chloro-

CAS REGISTRY NUMBER :: 89-98-5

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C7-H5-Cl-O

MOLECULAR WEIGHT :: 140.57

WISWESSER LINE NOTATION :: VHR BG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2160 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Gastrointestinal - hypermotility, diarrhea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533437

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1900 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Gastrointestinal - hypermotility, diarrhea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533437

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 8500 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 31,563,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2696 No. of Facilities: 100 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 739 (estimated) No. of Female Employees: 284 (estimated)

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	C:Corrosive
Risk Phrases	R34
Safety Phrases	S26-S45
RIDADR	UN 3265 8/PG 3
WGK Germany	1
RTECS	CU5075000
Packaging Group	III
Hazard Class	8
HS Code	2913000090

Precursor 8
CAS#:17849-38-6 2-Chlorobenzyl ... CAS#:609-65-4 2-Chlorobenzoyl... CAS#:2444-36-2 2-Chlorophenyla... CAS#:873-32-5 2-Chlorobenzonitrile
CAS#:3717-28-0 o-chlorobenzaldoxime CAS#:611-19-8 o-Chlorobenzylc... CAS#:2989-40-4 Benzaldehyde,2-... CAS#:34158-76-4 1-(2-chlorobenz...
DownStream 10
CAS#:105609-11-8 1-(2-chlorophen... CAS#:110051-23-5 2-(2-chlorophen... CAS#:3574-96-7 2-(2-Chlorophen... CAS#:110605-11-3 2-chloro-N-(4-c...
CAS#:110605-05-5 2-chloro-N'-(2-... CAS#:98288-14-3 Methyl(E)-3-(2-... CAS#:110296-02-1 methyl 3-(2-chl... CAS#:105871-20-3 N-[2-(2-chlorop...
CAS#:10291-39-1 Benzenemethanol... CAS#:107922-87-2 (2-CHLORO-5-MET...

HS Code	2924299035
Summary	2924299035 2-chlorobenzaldehyde。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

Acetalization allows the photoheterolysis of the Ar-Cl bond in chlorobenzaldehydes and chloroacetophenones.

J. Org. Chem. 77(20) , 9094-101, (2012)

The nonaccessibility of phenyl cations by irradiation of electron-poor aryl chlorides was circumvented by transforming the carbonyl group of aromatic ketones or aldehydes into the corresponding 1,3-di...

Experimental and theoretical studies of the products of addition-elimination reactions between benzil dihydrazone and three isomeric chlorobenzaldehydes.

Acta Crystallogr. C Struct. Chem. 71 , 554-63, (2015)

A series of mono- and di-Schiff bases formed between benzil dihydrazone {BDH; systematic name: (1Z)-[(2E)-2-hydrazinylidene-1,2-diphenylethylidene]hydrazine} and three isomeric chlorobenzaldehydes wer...

β-Olefination of 2-alkynoates leading to trisubstituted 1,3-dienes.

Org. Lett. 13(13) , 3418-21, (2011)

A phosphine-mediated olefination of 2-alkynoates with aldehydes forming 1,3-dienes with high E-selectivity and up to 88% yield is described. Reaction conditions are optimized and reactions are demonst...

USAF m-7

2-CHLOROBENZALDEHYDE FOR PHARMA SYNTHESIS

O-CHLOROBENZALDEHYDE( OCBA)

o-Chloroformylbenzene

2-CHLOROBENZALDEHYDE (1 LT )

o-chloro-benzaldehyde

O CHLOROBENZALDEHYDE

2-Clorobenzaldeide

2-chloro-benzaldehyde

OCAD

2-Chlorbenzaldehyd

o-chloro-benzaldehyd

Benzaldehyde, 2-chloro-

ortho-chloro benzaldehyde

OCBA

o-Chlor-benzaldehyd

ORTHOCHLOROBENZALDEHYDE

EINECS 201-956-3

UNII-QHR24X1LXK

VHR BG

MFCD00003304

o -Chlorobenzaldehyde

o-Chlorobenzaldehyde

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Chlorobenzaldehyde
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Chlorobenzaldehyde
Price: ￥298.0/500g ￥78.0/100g
Purity: 99.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Chlorobenzaldehyde
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2-Chlorobenzaldehyde
Price: ￥Inquiry/25kg
Purity: 99.5%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-Chlorobenzaldehyde

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