Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Ethanone, 2-chloro-1-(2,3-dihydroxyphenyl)- (9CI)
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Ethanone, 2-chloro-1-(2,3-dihydroxyphenyl)- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

63704-55-2

63704-55-2 structure

63704-55-2 structure

Name: Ethanone, 2-chloro-1-(2,3-dihydroxyphenyl)- (9CI)
Chemical Name: 2-chloro-1-(2,3-dihydroxyphenyl)ethanone
CAS Number: 63704-55-2
Molecular Formula: C₈H₇ClO₃
Molecular Weight: 186.59200
Create Date: 2017-11-14 23:42:25
Modify Date: 2025-09-17 20:19:18

Name	2-chloro-1-(2,3-dihydroxyphenyl)ethanone
Synonyms	m-Chloroacetylcatechol 3-Chloroacetylcatechol Pyrocatechol,3-chloroacetyl

Density	1.444g/cm3
Boiling Point	341.6ºC at 760 mmHg
Molecular Formula	C₈H₇ClO₃
Molecular Weight	186.59200
Flash Point	160.4ºC
Exact Mass	186.00800
PSA	57.53000
LogP	1.51930
Index of Refraction	1.611

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UX1500000

CHEMICAL NAME :: Pyrocatechol, 3-chloroacetyl-

CAS REGISTRY NUMBER :: 63704-55-2

LAST UPDATED :: 199012

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H7-Cl-O3

MOLECULAR WEIGHT :: 186.60

WISWESSER LINE NOTATION :: QR BQ CV1G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 75 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: AD691-490

Hazard Codes	C

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