Shanghai Nianxing Industrial Co., Ltd
China
Product Name: ovex
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Chlorfenson
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

DC Chemicals Limited
China
Product Name: Chlorfenson
Price: $550.0/100mg $850.0/250mg $1800.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Chlorfenson
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

80-33-1

80-33-1 structure

80-33-1 structure

Name: ovex
Chemical Name: chlorfenson
CAS Number: 80-33-1
Molecular Formula: C₁₂H₈Cl₂O₃S
Molecular Weight: 303.16100
Catalog: Biochemical Amino acids and their derivatives Tryptophan derivatives
Create Date: 2018-08-31 23:20:58
Modify Date: 2025-08-21 12:14:08
Chlorfenson is an acaricide[1].

Name	chlorfenson
Synonyms	4-chlorophenyl 4-chlorobenzene-1-sulfonate chlorofensone Chlorofenizon chlorofenson Difenson EINECS 201-270-4 Ephirsulphonate p-chlorophenyl p-chlorobenzenesulfonate ovatron ovex MFCD00055266 ephirsulfonate Ethersulfonate Benzolsulfonate (4-chlorophenyl) 4-chlorobenzenesulfonate Chlorfensin Niagaratran 4-chlorophenyl 4-chlorobenzenesulfonate 4-chlorophenyl-4-chlorobenzenesulfonate

Description	Chlorfenson is an acaricide[1].
Related Catalog	Research Areas >> Infection
References	[1]. H.G. Verschuuren, et al.Toxicity studies on tetrasul III. Short-term comparative studies in rats with tetrasul and structurally related acaricides, Toxicology,Volume 1, Issue 2,1973,Pages 113-123,ISSN 0300-483X

Density	1.464g/cm3
Boiling Point	429.6ºC at 760 mmHg
Melting Point	86.5-86.8°
Molecular Formula	C₁₂H₈Cl₂O₃S
Molecular Weight	303.16100
Flash Point	213.6ºC
Exact Mass	301.95700
PSA	51.75000
LogP	4.84190
Appearance	Crystalline
Index of Refraction	1.609

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB5250000

CHEMICAL NAME :: Benzenesulfonic acid, 4-chloro-, 4-chlorophenyl ester

CAS REGISTRY NUMBER :: 80-33-1

BEILSTEIN REFERENCE NO. :: 2944674

LAST UPDATED :: 199612

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C12-H8-Cl2-O3-S

MOLECULAR WEIGHT :: 303.16

WISWESSER LINE NOTATION :: GR DSWOR DG

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 :: 2 gm/kg

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

REFERENCE :: GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,381,1973

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >10 gm/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,150,1987

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2050 mg/kg

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

REFERENCE :: DABBBA Dissertation Abstracts International, B: The Sciences and Engineering. (University Microfilms International, 300 N. Zeeb Rd., Ann Arbor, MI 48106) V.30- 1969- Volume(issue)/page/year: 32,4116,1972

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1475 mg/kg

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

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,37,1982

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 5660 mg/kg

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

REFERENCE :: PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. (Topeka, KS) Volume(issue)/page/year: -,841,1966

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 640 mg/kg

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

REFERENCE :: PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. (Topeka, KS) Volume(issue)/page/year: -,841,1966

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 3780 mg/kg

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

REFERENCE :: PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. (Topeka, KS) Volume(issue)/page/year: -,841,1966

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: 4600 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,150,1987 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1008 mg/kg/12W-C

TOXIC EFFECTS :: Liver - changes in liver weight Endocrine - changes in thyroid weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.)

REFERENCE :: TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 1,113,1973 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 115 gm/kg/78W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Blood - tumors

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB223-159 *** REVIEWS *** TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 56,107,1975 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3 JAN 1993

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H315-H410
Precautionary Statements	P273-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;N: Dangerous for the environment;
Risk Phrases	22-38-50/53
Safety Phrases	S37-S60-S61
RIDADR	UN3077 9/PG 3
RTECS	DB5250000

2437-33-4 structure

2437-33-4

~%

80-33-1 structure

80-33-1

Literature: Zhurnal Obshchei Khimii, , vol. 26, p. 2579 p. 2875

106-48-9 structure

106-48-9

98-60-2 structure

98-60-2

~%

80-33-1 structure

80-33-1

Literature: Journal of Organic Chemistry, , vol. 67, # 4 p. 1277 - 1281

98-60-2 structure

98-60-2

1193-00-6 structure

1193-00-6

~%

80-33-1 structure

80-33-1

Literature: Zhurnal Obshchei Khimii, , vol. 29, p. 526;engl.Ausg.S.524

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