naphthol

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naphthol

[naf´thol]

a phenol occurring in coal tar in two forms: α- or 1-naphthol and β- or 2-naphthol. It is used in dyes, insecticides, and pharmaceutical compounds. If excessive amounts are ingested, poisoning may result, characterized by anemia, jaundice, convulsions, and coma.

naph·thol

(naf'thol),

A hydroxynaphthalene, occurring in two forms: α-naphthol, a dye intermediate used in cytochemistry for l-arginine localization; and β-naphthol, also known as isonaphthol, used as an anthelmintic and antiseptic. Both forms are also used in the manufacture of dyes, organic chemicals, and rubber products.

Synonym(s): naphthalenol

naphthol

Toxicology A white crystalline phenol derivative intermediate in the synthesis of multiple compounds including pharmaceuticals Toxicity Abdominal pain, glomerulonephritis, convulsions, circulatory collapse, skin pigmentation

naphthol

a phenol occurring in coal tar: α-naphthol (1-hydroxynaphthalene) or β-naphthol (2-hydroxynaphthalene). It has antiseptic properties and is used in compound form as a skin antiseptic.

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References in periodicals archive ?

01), and the concentration of 2-naphthol in production workers was 2.

The corresponding value for the concentration of 2-naphthol in smokers was 4.

The relationship between 1-OHP, 2-naphthol, diet, and smoking

A study of the status of exposure to polycyclic aromatic hydrocarbons (PAHs) in relation to its metabolites among workers in a Korean chemical factory/Um estudo sobre o estado de exposicao a hidrocarbonetos aromaticos policiclicos (HAPs), em relacao aos seus metabolitos, entre os trabalhadores em fabricas de produtos quimicos coreana

We found good adhesive durability only on the system with 2-naphthol.

Tensile strength, elongation, and modulus of the cured sheets with phenanthrene, 2-naphthol, and quinoline of model coal tar components are presented in Table 5.

However, the curing time of the system with 2-naphthol was longer than the others.

Effects of model coal tar components on adhesion strength of polyurethane coating on steel plate

Thus, a higher ratio of 1-naphthol to 2-naphthol suggests exposure to carbaryl.

Comparison of current-use pesticide and other toxicant urinary metabolite levels among pregnant women in the CHAMACOS cohort and NHANES

i]) [ln(ng/L)] is the natural logarithm of either the ith worker's urinary 1-naphthol or urinary 2-naphthol level; [X.

The measured dermal, breathing-zone, and breath naphthalene levels, as well as urinary 1- and 2-naphthol levels, for the 85 USAF fuel-cell maintenance workers are described in Table 1.

Dermal exposure to jet fuel JP-8 significantly contributes to the production of urinary naphthols in fuel-cell maintenance workers

8]]naphthalene ([greater than or equal to] 98 atom% D), 1-naphthol ([greater than or equal to] 99%), 2-naphthol ([greater than or equal to] 99%), [[sup.

Urinary benzene, naphthalene, and 1- and 2-naphthol were measured in all postexposure samples (n = 323) and in about half of the preexposure samples (n = 152).

Urinary biomarkers of exposure to jet fuel (JP-8)

a) Amniotic fluid Detects Analyte [n (%)] GM Min Max LOD 1- or 2-Naphthol 14 (70) 0.

Measurement of pesticides and other toxicants in amniotic fluid as a potential biomarker of prenatal exposure: a validation study