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Naphthalene has been detected at low levels in some food and milk products. Certified reference materials for highly accurate and reliable data analysis. On the other hand, the broader the melting point range, the more impure is the substance. CAS Number: 91-20-3.
Standard Form Titertest Assay Special Grade. Melting and Freezing point of Naphthalene Research Question 1. Melting Point Boiling Point Density Storage Transport. It is a colorless liquid. Beilstein/REAXYS Number: 1421310 . These could also be a source of exposure. Formula & Structure. Temperature (K) A B C Reference Comment; 353.48 - 452.30: 4.27117: 1831.571-61.329: Fowler, Trump, et al., 1968: Coefficents calculated by NIST from author's data. Background During the lab experiment, we are going to place the Naphthalene on the gauze mat which will be kept above the Bunsen burner using a retort stand.

1-Methylnaphthalene is an organic compound with the formula CH3C10H7.

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 ppm by mass. Solubility in methanol/ethanol: 7.7g/100mL Very soluble in ether.

Naphthalene in air will be broken down by moisture and sunlight, often within one day. Show More. MDL number: ... Melting Point Solubility Anal.

These studies suggest that the major enzymes involved in the metabolic activation of naphthalene or 2-methylnaphthalene in vitro are the cytochrome P-450 monooxygenases and that cooxidative metabolism by the prostaglandin synthetases appears to play little … Boiling point : 217.9°C Melting point : 80.2°C Flash point - open cup 79°C closed cup 88°C Autoignition temp: 567°C Vapour pressure (at 25°C): 0.087 torr Solubility in water, alcohol and ether - Solubility in water: 3mg/100mL at room temperature. Chat Live | Log in | Join Free ... ChemicalBook >>Naphthalene>>Naphthalene(91-20-3) Naphthalene(91-20-3) Contents. 7 Products.

Naphthalene, Recrystallized, Reagent Camphor tar Melting point standard 79-81C Moth flakes Naphthalene, , scintillation grade NAPHTALENE NAPHTHALENE, REFINED Moth balls Naphthalene What is the specific temperature for the melting point and freezing point of naphthalene? The narrower the melting point range, the more pure is the substance.
Empirical Formula (Hill Notation): C 10 H 8. Buy Naphthalene - Melting point 80.34 ºC online from National Measurement Laboratory (NML) at LGC. Molecular Weight: 128.17 . Naphthalene is an organic compound with formula carbonC 10 hydrogenH 8. Melting point standard 79-81°C (Naphthalene) is a hydrocarbon which is nonpolar in nature.

Melting Point and Freezing Point of Naphthalene SSI 3013 Information and Communication Technology in Science Name: Mat… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

Product Identification: Back to Contents 【Product Name】 Naphthalene 【CAS】 91-20-3 【Formula】 C10H8 【Molecular Weight】 128.16 【EINECS】 202-049-5 Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 3.32 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 426.95 (Adapted Stein & Brown method) Melting Pt (deg C): 160.82 (Mean or Weighted MP) VP(mm Hg,25 deg C): 1.64E-011 (Modified Grain method) MP (exp database): 450 deg C Subcooled liquid VP: 1.82E-006 mm Hg (25 deg C, Mod … Naphthalene is not expected to build up in edible fish or animals.

It is soluble in toluene. We also observed that an impure substance has a lower … Each substance has their melting point, and the melting point experiment can be used to identify the substance of the unknown. Its melting point is 80.2 degrees C, and its boiling point is 217.9 degrees C. It has a molecular weight of 128.174 g/mol. EC Number: 202-049-5. Bacteria will also break it down or it will evaporate from water and soil surfaces. It is isomeric with 2-methylnaphthalene. Also will be helpful to determine the impurity of the substance.
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