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CAS No 50-32-8 , benzo[a]pyrene

  • Name: benzo[a]pyrene
  • Synonyms: Benzpyrene; 3,4-Benzopyrene; BENZO(A)PYRENE; 6,7-Benzopyrene; Benz[a]pyrene;benzo[a]pyrene; 3,4-Benzpyrene; benzo[pqr]tetraphene; 50-32-8;
  • CAS Registry Number:
  • Transport: UN 1145
  • Density: 1.286 g/cm3/sup>
  • Water Solubility: Insoluble. 0.00000038 g/100 mL
  • Safety Statements: R45;R11;R38;R50/53;R65;R67
  • Hazard Symbols: N: Dangerous for the environment;F: Flammable;T: Toxic;
  • EINECS: 200-028-5
  • Molecular Weight: 252.30928
  • InchiKey: FMMWHPNWAFZXNH-UHFFFAOYSA-N
  • InChI: InChI=1S/C20H12/c1-2-7-17-15(4-1)12-16-9-8-13-5-3-6-14-10-11-18(17)20
    (16)19(13)14/h1-12H
  • Risk Statements: S53;S45;S61;S62
  • Molecular Formula: C20H12
  • Molecular Structure:CAS No:50-32-8 benzo[a]pyrene
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50-32-8 0239.20-10MG BENZO[A]PYRENE

  • 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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50-32-8 3,4-Benzopyrene

  • 3,4-Benzopyrene
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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50-32-8 Benzo[a]pyrene

  • Benzo[a]pyreneBenzo[a]pyrene, 98%
  • China PMIDA AGROCHEMICAL CO.,LTD [Manufacturer]
  • Tel: +86-023-67030808-8010
  • Fax: +86-023-67030809
  • Address: 17F,Venus Science Incubate Center,No.60 Xingguang Road,New North Zone401121 ChongqingCHINA Chongqing,China
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50-32-8 Benzo[A]pyrene

  • Benzo[A]pyrene, 98%
  • China Shanghai Rainbow Chemistry Co., Ltd. [Manufacturer]
  • Tel: +86-21-64968086
  • Fax: +86-21-64968086
  • Address: Room 128, Building B, No. 8 Lane 1305, Huajing Road, Xuhui District, Shanghai, P.R. China 200000 Shanghai CHINA Shanghai,China
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50-32-8 Benzo(a)pyrene, 98%

  • Benzo(a)pyrene, 98%
  • Belgium Alkemi [Manufacturer]
  • Tel: +32 9 340 49 49
  • Fax: +32 9 340 49 47
  • Address: Poststraat, 82 B-9160 Lokeren Belgium ,Belgium
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50-32-8 Benzo[a]pyrene

  • China Shanghai Jinglan Chemical Co., Ltd. [Manufacturer]
  • Tel: 86-21-37789410
  • Fax: 86-21-64966973
  • Address: Room 513, 5th Floor, Building B,
    No. 18, Lane 1305, Huajing Road,
    Shanghai, 200231, P.R. China ,China
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50-32-8 BENZO[a]PYRENE(P)

  • BENZO[a]PYRENE(P)Benzopyrene
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 ,United States
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50-32-8 BENZO[A]PYRENE

  • 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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50-32-8 ZA7361 BENZO[A]PYRENE

  • United States Magical Scientific [Manufacturer]
  • Tel: 877-672-4364/ 913-594-2243
  • Fax: 405-936-0602 / 800-510-4402
  • Address: Magical Scientific
    PO Box 21326
    Oklahoma City, OK 73156-1326 USA ,United States
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50-32-8 Benzo[a]pyrene

  • Germany AppliChem mbH []
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: Ottoweg 4 D-64291 Darmstadt ,Germany
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References of benzo[a]pyrene
Title: Benzo[a]pyrene
CAS Registry Number: 50-32-8
Synonyms: 3,4-Benzpyrene
Molecular Formula: C20H12
Molecular Weight: 252.31
Percent Composition: C 95.21%, H 4.79%
Literature References: Formerly called 1,2-benzpyrene. Occurs in coal tar, q.v. Isoln by fractionation: Cook et al., J. Chem. Soc. 1933, 395; by adsorption and fluorimetric determn: Hieger, Am. J. Cancer 29, 705 (1937); Winterstein et al., Z. Physiol. Chem. 230, 158, 169 (1934); Naturwissenschaften 22, 237 (1934). Synthesis from pyrene and succinic anhydride: Cook, Hewett, J. Chem. Soc. 1933, 398; Fieser, Fieser, J. Am. Chem. Soc. 57, 782 (1935); Winterstein et al., Ber. 68, 1079 (1935); Fieser et al., J. Am. Chem. Soc. 57, 1509 (1935). Absorption spectrum: Mayneord, Roe, Proc. Roy. Soc. London A152, 299 (1935). Review: Clar, Polycyclic Hydrocarbons Vol. 1 & 2 (Academic Press, New York, 1964). Review of carcinogenicity studies: IARC Monographs 3, 91-136 (1973). Inhibition of the mutagenicity of the ultimate carcinogenic metabolite of benzo[a]pyrene by ellagic acid: A. W. Wood et al., Proc. Natl. Acad. Sci. USA 79, 5513 (1982). Study of the reaction between this metabolite (benzo[a]pyrene-7,8-diol 9,10-epoxide) and ellagic acid: J. M. Sayer et al., J. Am. Chem. Soc. 104, 5562 (1982). Review: D. H. Phillips, Nature 303, 468-472 (1983). Review of toxicology and human exposure: Toxicological Profile for Polycyclic Aromatic Hydrocarbons (PB95-264370, 1995) 487 pp.
Properties: Yellowish plates, needles from benzene + methanol, mp 179-179.3°. Crystals may be monoclinic or orthorhombic. bp10 310-312°. Violet fluorescence of dil benzene solns: Hieger, loc. cit. Soluble in benzene, toluene, xylene; sparingly sol in alc, methanol. Practically insol in water.
Melting point: mp 179-179.3°
Boiling point: bp10 310-312°
CAUTION: This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-220.