Agent Name

Barban

CAS Number

101-27-9

Formula

C11-H9-Cl2-N-O2

Major Category

Pesticides

Synonyms

(3-Chlorophenyl)carbamic acid 4-chloro-2-butynyl ester; (4-Chloor-but-2-yn-yl)-N-(3-chloor-fenyl)-carbamaat [Dutch]; (4-Chlor-but-2-in-yl)-N-(3-chlor-phenyl)-carbamat [German]; (4-Cloro-but-2-in-il)-N-(3-cloro-fenil)-carbammato [Italian]; 2-Butyn-1-ol, 4-chloro-, m-chlorocarbanilate; 2-Butynyl 4-chloro-m-chlorocarbanilate; 2-Butynyl-4-chloro-m-chlorocarbanilate; 4-Chloro-2-butynyl 3-chlorocarbanilate; 4-Chloro-2-butynyl N-(3-chlorophenyl)carbamate; 4-Chloro-2-butynyl m-chlorocarbanilate; 4-Chloro-2-butynyl m-chlorophenylcarbamate (8CI); 4-Chloro-2-butynyl meta-chlorocarbanilate; 4-Chloro-2-butynylm-chlorocarbanilate; 4-Chlorobut-2-ynyl 3-chlorophenylcarbamate; 4-Chlorobut-2-ynyl-m-chlorocarbanilate; A 980; A-980; A980; Barbamate; Barbane [ISO-French]; C-847; CBN; CS-847; Carbin; Carbine; Carbyne; Carbyne (herbicide); Chlorinat; Chloro-2-butynyl m-chlorocarbamate; Fisons B25; Karbin; N-(3-Chloro phenyl) carbamate de 4-chloro 2 butynyle [French]; Neoban; S 847; S-847; S847; m-Chlorocarbanilic acid, 4-chloro-2-butynyl ester; Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester; Carbanilic acid, m-chloro-, 4-chloro-2-butynyl ester; [ChemIDplus]

Category

Herbicides, Other

Description

Colorless odorless solid; [HSDB]

Sources/Uses

No active product registrations in the US; [NPIRS] Used formerly as selective post-emergence herbicide; [HSDB]

Comments

An irritant and potent human skin sensitizer; [HSDB]

Reference Link

Allergic contact dermatitis due to a herbicide (barban)

Exposure Assessment
Vapor Pressure

3.8E-7 mm Hg

Lethal Concentration

LC50 (rat) = 23,000 mg/m3/4hr

Adverse Effects
Skin Sensitizer

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: