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DC Chemicals Limited
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Carbamic acid,N-(3-chlorophenyl)-, 4-chloro-2-butyn-1-yl ester
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101-27-9

101-27-9 structure

Name: Barban
Chemical Name: barban
CAS Number: 101-27-9
Molecular Formula: C₁₁H₉Cl₂NO₂
Molecular Weight: 258.101
Catalog: Chemical pesticide herbicide Other herbicides
Create Date: 2018-03-08 08:00:00
Modify Date: 2024-01-08 20:01:50
Barban is a selective herbicide for wild oats.

Name	barban
Synonyms	Carbamic acid, N-(3-chlorophenyl)-, 4-chloro-2-butyn-1-yl ester 4-Chlorobut-2-yn-1-yl (3-chlorophenyl)carbamate Chlorinat EINECS 202-930-4 MFCD00045297 4-Chloro-2-butyn-1-yl (3-chlorophenyl)carbamate 4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate N-(m-chlorophenyl)carbamic acid,4-chloro-2-butynyl ester Karbin 4-chlorobut-2-ynyl 3-chlorocarbanilate Carbine 4-chloro-2-butynyl 3-chlorocarbanilate Barban 4-chloro-2-butynyl N-(m-chlorophenyl)carbamate Carbin Barbanate 4-Chlorobut-2-ynyl 3-chlorophenylcarbamate Barbamate Chlorinate 4-chloro-2-butynyl m-chlorocarbanilate 4-chloro-2-butyn-1-yl N-(3-chlorophenyl)carbamate Barbane Carbyne (herbicide) Carbyne

Density	1.4±0.1 g/cm3
Boiling Point	340.8±32.0 °C at 760 mmHg
Melting Point	75-76ºC
Molecular Formula	C₁₁H₉Cl₂NO₂
Molecular Weight	258.101
Flash Point	159.9±25.1 °C
Exact Mass	257.001038
PSA	38.33000
LogP	3.87
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.607

CHEMICAL IDENTIFICATION

RTECS NUMBER :: FD7700000

CHEMICAL NAME :: Carbanilic acid, m-chloro-, 4-chloro-2-butynyl ester

CAS REGISTRY NUMBER :: 101-27-9

BEILSTEIN REFERENCE NO. :: 2376181

LAST UPDATED :: 199706

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: C11-H9-Cl2-N-O2

MOLECULAR WEIGHT :: 258.11

WISWESSER LINE NOTATION :: G2UU2OVMR CG

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 :: 527 mg/kg

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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 27400 mg/m3/4H

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

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1600 mg/kg

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

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 527 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 322 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 600 mg/kg

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

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 23000 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 240 mg/kg

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

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 240 mg/kg

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

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Bacillus subtilis

DOSE/DURATION :: 20 ug/disc

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 40,19,1976 *** REVIEWS *** TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H317-H410
Precautionary Statements	P273-P280-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xn: Harmful;N: Dangerous for the environment;
Risk Phrases	R22
Safety Phrases	24-36/37-60-61
RIDADR	UN3077 9/PG 3
RTECS	FD7700000
HS Code	2924299013

3159-28-2

101-27-9

Literature: Journal of Organic Chemistry, , vol. 24, p. 2040

2909-38-8

101-27-9

Literature: Agricultural and Biological Chemistry, , vol. 44, # 6 p. 1237 - 1240

68505-82-8

108-42-9

101-27-9

Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 33, p. 46 - 49,41 - 43

HS Code	2924299013
Summary	2924299013. VAT:17.0%. Tax rebate rate:9.0%. Supervision conditions:S(import or export registration certificate for pesticides). MFN tariff:6.5%. General tariff:30.0%

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