Agent Name

Naptalam

CAS Number

132-66-1

Formula

C18-H13-N-O3

Major Category

Pesticides

Synonyms

1-N-Naphthylphthalamic acid; 2-((1-Naphthalenylamino)carbonyl)benzoic acid; 6Q8; ACP 322; Alanap; Alanap 1; Alanap 10G; Alanap 10G at; Alanap 3; Alanap Plus; Alanap-2; Alanape; Analape; Ancrack; Benzoic acid, 2-((1-naphthalenylamino)carbonyl)-; Cyanap; Dyanap; Grelutin; Kyselina N-1-naftylftalamova [Czech]; Mor-Cran; N-1-Naphthalenephthalamic acid; N-1-Naphthyl-phthalamidsaeure [German]; N-1-Naphthylphthalamate; N-1-Naphthylphthalamic acid; N-alpha-Naphthylphthalamic acid; NPA; NPA (VAN); Naftalam [Czech]; Naphthalam; Naptalame [ISO-French]; Naptro; Nip-a-thin; PA; Peach Thin 322; Peach-thin; Phthalamic acid, N-1-naphthyl-; alpha-Naphthylphthalamic acid; [ChemIDplus]

Category

Herbicides, Other

Description

Colorless solid; [Hawley] Purple solid with an unpleasant odor; [HSDB] Solid with an unpleasant odor; [MSDSonline]

Sources/Uses

Used as selective pre-emergence herbicide and analytical reagent for thorium and zirconium; [Merck Index]

Comments

May cause respiratory irritation and permanent eye injury; No adverse effects in a 90-day feeding study of rats at 1000 ppm in daily diet; Not tumorigenic in mice; 15 mg/kg/day was NOEL for maternal and fetotoxic effects in a study of rats; [HSDB] May cause irritation; [MSDSonline]

Restricted

Cancelled--no longer registered as a pesticide for use in the US; [HSDB]

Exposure Assessment
Vapor Pressure

2.86E-11 mm Hg

Lethal Concentration

LC50 (rat) > 2,070 mg/m3

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

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