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CAS No 91-20-3 , naphthalene

  • Name: naphthalene
  • Synonyms: Moth flakes;naphthalene; Naphthaline; Tar camphor; Albocarbon; White tar; Camphor tar; Naphthene; Moth balls;Naphthalin;
  • CAS Registry Number:
  • Transport: UN 1334 4.1/PG 3
  • Melting Point: 79-83 ºC
  • Flash Point: 78 ºC
  • Boiling Point: 218 ºC
  • Density: 0.99
  • Refractive index: 1.5821
  • Water Solubility: 30 MG/L (25 ºC)
  • Safety Statements: R22;R40;R50/53
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • HS Code: 29029010
  • Flash Point: 78 ºC
  • EINECS: 202-049-5
  • Molecular Weight: 128.17052
  • InchiKey: UFWIBTONFRDIAS-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
  • Risk Statements: S36/37;S46;S60;S61
  • Molecular Formula: C10H8
  • Molecular Structure:CAS No:91-20-3 naphthalene
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91-20-3 NAPHTHALENE; 99%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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91-20-3 Naphthalene

  • China Watson International Ltd. []
  • Tel: +86-(512)-55117610
  • Fax: +86-(512)-55117630
  • Address: Room 1209, Asia Pacific Plaza, Huaqiao International Business Park, Kunshan, Jiangsu 215332, ,China
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91-20-3 0711.10-10MG NAPHTHALENE

  • Germany Campro Scientific GmbH [Manufacturer]
  • Tel: +49.(0)30.629.01.89.0 (Germany)/ +31.(0)318.529.437 (Netherlands)
  • Fax: +49.(0)30.629.01.89.89
    +31.(0)318.542.181
  • Address: Campro Scientific GmbH
    Postfach 36 20 65
    D-10972 Berlin
    Germany
    Tel. +49.(0)30.629.01.89.0
    Fax +49.(0)30.629.01.89.89
    info@campro.eu ,Germany
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91-20-3 NAPHTHALENE

  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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91-20-3 NAPHTHALENE

  • Norway Chiron AS [Manufacturer]
  • Tel: +47 73 87 44 90
  • Fax: +47 73 87 44 99
  • Address: Chiron AS
    Stiklestadveien 1
    N-7041 Trondheim
    Norway ,Norway
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91-20-3 NAPHTHALENE

  • United States Bromorganics Corporation [Manufacturer]
  • Tel: 847-238-9588
  • Fax: 847-238-9688
  • Address: Bromorganics Corporation
    P. O. Box 722
    Elk Grove Village, Illinois 60009 ,United States
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91-20-3 Naphthalene

  • China Xilin Chemical Group Co., Ltd []
  • Tel: +86-(0)-15527136576
  • Fax: +86-(27)-83820093
  • Address: 16# Luojiashan, Wuchang District, Wuhan, Hubei 430071, ,China
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91-20-3 Naphthalene

  • India Triveni Chemicals []
  • Tel: +91-(260)-2400022, 3258683
  • Fax: +91-(260)-2400022/3264008
  • Address: 135, Pancharatna, Char Rasta, G.I.D.C., Vapi, Gujarat 396 195, ,India
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91-20-3 NAPHTHALENE

  • China ORICHEM INTERNATIONAL LTD. [, Manufacturer, Trading Company]
  • Tel: 86-0571-85270505
  • Fax: 86-0571-85270303
  • Address: FLAT E,16/F,1 HUAZHE PLAZA,HANGZHOU, ,China
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91-20-3 Naphthalene

  • China Shanghai Experiment Reagent Co.,LTD. [Manufacturers]
  • Tel: 0086-21-56558317 56553837
  • Fax: +86-21-56553837
  • Address: 10-603, No.555 Luding Road (No.1000 North Zhongshan Road),Shanghai Shanghai,ShanghaiChina
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References of naphthalene
Title: Naphthalene
CAS Registry Number: 91-20-3
CAS Name: Naphthalin
Synonyms: naphthene; tar camphor
Molecular Formula: C10H8
Molecular Weight: 128.17
Percent Composition: C 93.71%, H 6.29%
Literature References: Major constituent of coal tar. Dry coal tar contains about 11%. Crystallizes from the middle or "carbolic oil" fraction of the distilled tar. Purified by hot pressing, which may be followed by washing with H2SO4, NaOH, and water, then by fractional distillation or by sublimation. Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 556-562. Review: R. M. Gaydos in Kirk-Othmer Encyclopedia of Chemical Technology vol. 15 (Wiley-Interscience, New York, 3rd ed., 1981) pp 698-719. Review of toxicology and human exposure: Toxicological Profile for Naphthalene, 1-Methylnaphthalene, and 2-Methylnaphthalene (PB2006-100004, 2005) 347 pp.
Properties: Monoclinic prismatic plates from ether or by sublimation; also sold as white scales, powder, balls, or cakes, mp 80.2°. Odor of moth balls. Volatilizes appreciably at room temp. d420 1.162. d4100 0.9628. Sublimes appreciably at temps above mp; volatile with steam. bp760 217.9°; bp400 193.2°; bp200 167.7°; bp100 145.5°; bp60 130.2°; bp40 119.3°; bp20 101.7°; bp10 85.8°. Flash pt, open cup 174°F (79°C); closed cup 190°F (88°C). Autoignition temp 1053°F (567°C). nD100 1.58212. Purple fluorescence in Hg light (petr ether soln). Ultraviolet absorption: Several characteristic bands between 217.5 and 320 nm in hexane. Insol in water. One gram dissolves in 13 ml methanol or ethanol, in 3.5 ml benzene or toluene, in 8 ml olive oil or turpentine, in 2 ml chloroform or carbon tetrachloride, in 1.2 ml carbon disulfide. Very sol in ether, hydronaphthalenes, in fixed and volatile oils.
Melting point: mp 80.2°
Boiling point: bp760 217.9°; bp400 193.2°; bp200 167.7°; bp100 145.5°; bp60 130.2°; bp40 119.3°; bp20 101.7°; bp10 85.8°
Flash point: Flash pt, open cup 174°F (79°C); closed cup 190°F (88°C)
Index of refraction: nD100 1.58212
Density: d420 1.162; d4100 0.9628
CAUTION: Potential symptoms of overexposure are eye irritation; corneal damage, optical neuritis; dematitis; headache, confusion, excitement, malaise; nausea, vomiting, abdominal pain; bladder irritation; profuse sweating; acute intravascular hemolysis, anemia, leukocytosis, fever; jaundice; hematuria, hemoglobinuria, renal shutdown. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 220; Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 4th ed., 1984) Section III, pp 307-311. This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-177.
Use: Manuf phthalic and anthranilic acids which are used in making indigo, indanthrene, and triphenylmethane dyes. Manuf of hydroxyl (naphthols), amino (naphthylamines), sulfonic acid and similar compds used in the dye industries. Manuf of synthetic resins, celluloid, lampblack, smokeless powder. Manuf of hydronaphthalenes (Tetralin, Decalin) which are used as solvents, in lubricants, and in motor fuels. Moth repellent and insecticide.
Therap-Cat: Has been used as antiseptic (topical and intestinal); anthelmintic (Cestodes).
Therap-Cat-Vet: Has been used in dusting powders, as an insecticide and internally as an intestinal antiseptic and vermicide.
Keywords: Anthelmintic (Cestodes).