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CAS No 149-91-7 , 3,4,5-trihydroxybenzoic acid

  • Name: 3,4,5-trihydroxybenzoic acid
  • Synonyms: gallate; tech.; 3,4,5-trihydroxy-; Gallic acid; 3,4,5-Trihydroxybenzoate; Benzoic acid;3,4,5-trihydroxybenzoic acid;3,4,5-Trihydroxybenzoic acid; GALOP; 149-91-7;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 251 ºC (DEC.)
  • Density: 1.694
  • Refractive index: 1.73
  • Water Solubility: 12 G/L COLD WATER
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 205-749-9
  • Molecular Weight: 170.11954
  • InchiKey: LNTHITQWFMADLM-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12)
  • Risk Statements: S24/25
  • Molecular Formula: C7H6O5
  • Molecular Structure:CAS No:149-91-7 3,4,5-trihydroxybenzoic acid
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149-91-7 GALLIC ACID

  • China CHONGQING TRUST LONG CO.,LTD. null
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  • Address: 3-6-2, No.1, Xinglong Road, Longxi Town, Yubei Dist.,Chongqing,China null,nullChina
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149-91-7 Gallic Acid

  • China Jiangsu Guotai International Group null
  • Fax: +86-512-58671120
  • Address: 10-11/F, Guotai Bldg, 43 Renmin Road, Zhangjiagang, Jiangsu Province, China 215600. null,nullChina
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149-91-7 Gallic acid

  • United States Varian, Inc. [Importer/Exporter]
  • Tel: +1.650.213.8000
  • Fax: +1 781 860 5437
  • Address: 3120 Hansen Way Palo Alto, CA 94304-1030 USA Palo Alto,CAUnited States
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149-91-7 Gallic Acid-Botanical reference materials/phytochemicals

  • Gallic 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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149-91-7 Gallic acid

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149-91-7 GALLIC ACID

  • China Friends Union Enterprises (Tianjin) Ltd. [Manufacturer]
  • Tel: 86-22-58316066
  • Fax: 86-22-58316068
  • Address: Friends Union Enterprises (Tianjin) Ltd.
    Suites 1808-9 Guohua-Bldg.,
    N0.857 Dagu-Nan Road, Hexi District, Tianjin,P.R.China null,nullChina
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149-91-7 3,4,5-TrihydroxyBenzoic Acid

  • China Shanghai Conson Industrial Co., Ltd . [Manufacturers]
  • Tel: +86-(21)-63548358
  • Fax: +86-(21)-63536992
  • Address: Room 1907, Yishengge, No.547 Tianmu Road, Shanghai 200070, null,ShanghaiChina
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149-91-7 GALLIC ACID

  • China Fleton Reference Substance Co.,Ltd [Manufacturer]
  • Tel: 86-28-84400798
  • Fax: +86-28-84400789 85270340
  • Address: Fleton Reference Substance Co.,Ltd
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    No 47, Huaishu Street,
    Chengdu, China
    Zip: 610031 null,nullChina
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149-91-7 Gallic Acid

  • China Suzhou Inter-China Chemical Co., Ltd. [Manufacturers]
  • Tel: +86-512-65813833
  • Fax: +86-512-68832012
  • Address: Room 806,GuoTao Commercial Mansion No.93 GanJiang West Road Suzhou, Jiangsu China. Suzhou,JiangsuChina
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149-91-7 Gallic Acid

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References of 3,4,5-trihydroxybenzoic acid
Title: Gallic Acid
CAS Registry Number: 149-91-7
CAS Name: 3,4,5-Trihydroxybenzoic acid
Molecular Formula: C7H6O5
Molecular Weight: 170.12
Percent Composition: C 49.42%, H 3.55%, O 47.02%
Literature References: Obtained by alkaline or acid hydrolysis of the tannins from nutgalls; also by enzymatic hydrolysis using spent broths from Penicillium glaucum or Aspergillus niger which contain tannase: A. G. Perkin, O. Gunnell, J. Chem. Soc. 69, 1303 (1896); Hsias, Huang Hai No. 7, 51 (1946), C.A. 42, 3901i (1948); Cochrane, Econ. Bot. 2, 145 (1948); Toth, Henster, Acta Chim. Acad. Sci. Hung. 2, 209 (1952). Prepn from tannin containing materials: Krueger et al., US 2723992 (1955 to Mallinckrodt). Synthesis from aliphatic materials: Shipchandler et al., J. Chem. Soc. Perkin Trans. 1 1975, 1400. Biosynthesis: Haslam et al., J. Chem. Soc. 1961, 1854. Study of polymorphic forms: E. Lindpainter, Mikrochemie 27, 21 (1939). Toxicity studies: J. W. Dollahite et al., Am. J. Vet. Res. 23, 1264 (1962).
Properties: Needles from abs methanol or chloroform, formerly reported as dec 235-240° (Perkin, Gunnell). Sublimes at 210° giving a stable form with mp 258-265° (dec) and an unstable form mp 225-230° (Lindpainter). One gram dissolves in 87 ml water, 3 ml boiling water, 6 ml alcohol, 100 ml ether, 10 ml glycerol, 5 ml acetone. Practically insol in benzene, chloroform, petr ether. Protect from light. LD50 in rabbits (g/kg): 5.0 orally (Dollahite).
Melting point: mp 258-265° (dec) and an unstable form mp 225-230° (Lindpainter)
Toxicity data: LD50 in rabbits (g/kg): 5.0 orally (Dollahite)
 
Derivative Type: Methyl ester
CAS Registry Number: 99-24-1
Synonyms: Methyl gallate; gallicin
Molecular Formula: C8H8O5
Molecular Weight: 184.15
Percent Composition: C 52.18%, H 4.38%, O 43.44%
Properties: Monoclinic prisms from methanol, often hydrated or solvated. When dry, mp 202°. Sol in hot water, alcohol, methanol, ether.
Melting point: mp 202°
 
Derivative Type: Propyl ester see Propyl Gallate
 
Use: Manuf gallic acid esters, pyrogallol, inks; as photographic developer; in tanning; in dyeing; in testing for free mineral acids, dihydroxyacetone and alkaloids. Esters as antioxidants.
Therap-Cat: Formerly as astringent, styptic.
Therap-Cat-Vet: Has been used as intestinal astringent.
Keywords: Astringent.