Witryna8 kwi 2024 · Properties of Naphthalene: The physical properties and chemical properties of naphthalene are discussed below: Naphthalene exists in crystalline form. … WitrynaAppearance / physical state / colour; Melting point / freezing point; Boiling point; Density; Particle size distribution (Granulometry) Vapour pressure; Partition coefficient; ... Naphthalene-2-sulphonic acid EC Number: 204-375-3 EC Name: Naphthalene-2-sulphonic acid CAS Number: 120-18-3 Molecular formula: C10 H8 O3 S ...
Urinary naphthols as an indicator of exposure to naphthalene
2 Physical properties. Toggle Physical properties subsection 2.1 Molecular geometry. ... Appearance White solid crystals/ flakes Odor: Strong odor of coal tar or mothballs Density: 1.145 g/cm 3 (15.5 °C) ... Naphthalene is an organic compound with formula C 10 H 8. Zobacz więcej Naphthalene is an organic compound with formula C 10H 8. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 Zobacz więcej In the early 1820s, two separate reports described a white solid with a pungent odor derived from the distillation of coal tar. In 1821, John Kidd cited these two disclosures … Zobacz więcej Reactions with electrophiles In electrophilic aromatic substitution reactions, naphthalene reacts more readily than benzene. … Zobacz więcej Naphthalene is used mainly as a precursor to derivative chemicals. The single largest use of naphthalene is the industrial production of phthalic anhydride, although more phthalic anhydride is made from o-xylene. Fumigant Zobacz więcej A naphthalene molecule can be viewed as the fusion of a pair of benzene rings. (In organic chemistry, rings are fused if they share two or … Zobacz więcej Most naphthalene is derived from coal tar. From the 1960s until the 1990s, significant amounts of naphthalene were also produced from heavy petroleum fractions during Zobacz więcej Exposure to large amounts of naphthalene may damage or destroy red blood cells, most commonly in people with the inherited condition known as glucose-6-phosphate dehydrogenase (G6PD) deficiency Zobacz więcej WitrynaAppearance / physical state / colour; Melting point / freezing point; Boiling point; Density; Particle size distribution (Granulometry) Vapour pressure; Partition … cloralex wikipedia
NAPHTHALENE 1. Exposure Data - World Health Organization
WitrynaVibronic transitions due to (Z)-PVA were first identified as small vibronic bands that did not appear in the UVHB spectrum recorded with the hole-burn laser fixed on the S 0 −S 1 origin of (E) ... Ring-Closing Reactions to Form Naphthalene. Journal of the American Chemical Society 2012, 134 (2 ... Physical Chemistry Chemical Physics 2024, 21 ... WitrynaChina Naphthalene Ball wholesale - Select 2024 high quality Naphthalene Ball products in best price from certified Chinese Insect Repellent manufacturers, China Deodorant suppliers, wholesalers and factory on Made-in-China.com ... Appearance : Solid; Type : Preventing Insects and Mildew; Usage ... Physical Form : Solid; Net Weight ... WitrynaExecutive summary: Doses of 0, 25, 50, 100, 200, and 400 mg naphthalene/kg bw/d were administered orally in corn oil to Fischer 344 rats (60 rats per sex) for five days a week for 13 weeks. U p to 200 mg/kg bw/d, the only signs - obviously substance-related - were decrease in body weight of >10 % in both sexes. cloranfenicol sol. oft. 0.5 grms. 15 ml