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CAS No 99-50-3 , 3,4-dihydroxybenzoic acid

  • Name: 3,4-dihydroxybenzoic acid
  • Synonyms: 99-50-3; protocatechuate; Benzoic acid; Protocatehuic acid;3,4-DIHYDROXYBENZOIC ACID; 4-Carboxy-1,2-dihydroxybenzene;3,4-dihydroxybenzoic acid; 3,4-dihydroxy-;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 198-202 ºC
  • Flash Point: 410.7 ºC at 760 mmHg
  • Boiling Point: 410.7 ºC at 760 mmHg
  • Density: 1.559 g/cm3
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29182990
  • Flash Point: 410.7 ºC at 760 mmHg
  • EINECS: 202-760-0
  • Molecular Weight: 154.12014
  • InchiKey: YQUVCSBJEUQKSH-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C7H6O4
  • Molecular Structure:CAS No:99-50-3 3,4-dihydroxybenzoic acid
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99-50-3 3,4-Dihydroxybenzoic acid

  • China Xi'an app-chem bio(tech) co.,ltd [Manufacturers]
  • Tel: +86-29-88346300 029-88318908
  • Fax: +86-29-88346300
  • Address: Gazelle Valley,No.69,Jinye Road xi'an,shangxiChina
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99-50-3 3,4-Dihydroxybenzoic acid

  • China Debye Scientific [Manufacturers]
  • Tel: 00852-21376140
  • Fax: 00852-31758679
  • Address: null wuhan,hubeiChina
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99-50-3 3,4-Dihydroxy Benzoic Acid

  • China ANGCHEN Co., Ltd. [Manufacturers]
  • Tel: +86-510-83751665 82327577
  • Fax: +86-510-82328226
  • Address: Rm B-1803,818 North Xingyuan Road,WuXi,China WuXi,jiangsuChina
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99-50-3 3,4-DIHYDROXYBENZOIC ACID (PROTOCATECHUIC ACID)

  • United States Kingchem LLC [Manufacturer]
  • Tel: 201-825-9988
  • Fax: 201-825-9148
  • Address: Kingchem LLC
    5 Pearl Ct
    Allendale Park
    Allendale, NJ 07401 null,nullUnited States
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99-50-3 Protocatechuic acid-Botanical reference materials/phytochemicals

  • Protocatechuic acid-Botanical reference materials/phytochemicals
  • China shanghai Tauto Biotech Co., Ltd [Manufacturer]
  • Tel: +86-21-51320588
  • Fax: +86-21-51320502
  • Address: No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA Shanghai,ShanghaiChina
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99-50-3 3,4-DIHYDROXYBENZOIC ACID

  • China Shanghai Sunwise Chemical Co., Ltd. [Manufacturer]
  • Tel: +86-21-64063188
  • Fax: +86-21-64062858
  • Address: Shanghai Sunwise Chemical Co., Ltd.
    7G, No 1235 Wuzhong Road
    Shanghai P.R.China null,nullChina
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99-50-3 3,4-DIHYDROXYBENZOIC ACID, 98% PS

  • Spain Panreac Synthesis [Manufacturer]
  • Tel: +34 937 489 400
  • Fax: +34 937 489 494
  • Address: PANREAC QUIMICA, S.A.U.
    Poligono Plan de la Bruguera. Garraf, 2
    E-08211 Castellar del Vall?s
    Barcelona (Spain) null,nullSpain
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99-50-3 3,4-Dihydroxybenzoic acid

  • India Organo Fine Chemical [Manufacturers]
  • Tel: 91-22-22016968 / 22067521
  • Fax: 91-22-22059299 / 22083184
  • Address: Anand Bhuvan, Princess Street Mumbai - 400 002 India Mumbai,MumbaiIndia
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99-50-3 PROTOCATECHUIC ACID

  • China Aktin Chemicals, Inc. [Manufacturer]
  • Tel: +86-28-85159085
  • Fax: +86-28-85152372
  • Address: Aktin Chemicals, Inc.
    Yongfeng Plaza, No.52,
    Yongfeng Road, Hi-tech Zone,
    Chengdu 610041
    P.R.China null,nullChina
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99-50-3 3,4-Dihydroxybenzoic acid

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References of 3,4-dihydroxybenzoic acid
Title: Protocatechuic Acid
CAS Registry Number: 99-50-3
CAS Name: 3,4-Dihydroxybenzoic acid
Molecular Formula: C7H6O4
Molecular Weight: 154.12
Percent Composition: C 54.55%, H 3.92%, O 41.52%
Literature References: Minute amounts are found in wheat grains, in wheat seedlings, and in many other plants: L. H?rhammer, A. Scherm, Arch. Pharm. 288, 441 (1955). Prepd by the alkaline fusion of vanillin: Tiemann, Haarmann, Ber. 7, 617 (1874); Pearl, J. Am. Chem. Soc. 68, 2180 (1946); Org. Synth. coll. vol. III, 745 (1955).
Properties: White to brownish, cryst powder; discolors in air. d 1.54. mp ~200° with decompn. Sol in 50 parts water; sol in alcohol, ether. Keep well closed.
Melting point: mp ~200° with decompn
Density: d 1.54