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CAS No 7697-37-2 , nitric acid

  • Name: nitric acid
  • Synonyms: Azotic acid;nitric acid; Nital; Nitryl hydroxide;Salpetersaeure; Nitrous fumes; Acidum nitricum; Hydrogen nitrate; Aqua fortis;
  • CAS Registry Number:
  • Transport: UN 2032
  • Melting Point: -42 ºC
  • Boiling Point: 122 ºC
  • Density: 1.4
  • Water Solubility: >100 G/100 ML (20 ºC)
  • Safety Statements: R8;R35
  • Hazard Symbols: O: Oxidizing agent;C: Corrosive;
  • EINECS: 231-714-2
  • Molecular Weight: 63.01284
  • InchiKey: GRYLNZFGIOXLOG-UHFFFAOYSA-N
  • InChI: InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)
  • Risk Statements: S23;S26;S36;S45
  • Molecular Formula: HNO3
  • Molecular Structure:CAS No:7697-37-2 nitric acid
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7697-37-2 CAS No. 7697-37-2 (Nitric acid )

  • Identification of 7697-37-2 Name: Nitric acid (Related Reference) EINECS: 231-714-2 Molecular Formula: HNO3 CAS Registry Number: 7697-37-2 Synonyms: nitric acid 65% (hg 69.5%; nitric acid fuming 100%; Nitric acid Solution; clp aa/icp nitric acid; Nit...
  • China Taiyuan Chemical Industry Group Co. Ltd. [Manufacturer]
  • Tel: 86-351-5638038
  • Address: No.15 Wenyuan Lane, Yingze Dct, Taiyuan, Shanxi 030021, taiyuan ,ShanxiChina
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7697-37-2 Nitric acid

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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7697-37-2 Nitric acid

  • China XinChem Corporation [Manufacturers]
  • Tel: +86-(21)-34123252
  • Fax: +86-(21)-54153973
  • Address: 102/30, 3455 Chunshen Road, Shanghai 201100, ,ShanghaiChina
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7697-37-2 Concentrated Nitric Acid

  • China Hangzhou Sage Chemical Co., Ltd. [, Manufacturer]
  • Tel: +86-571-86818502
  • Fax: +86-571-86818503
  • Address: RM501 Tower A, New Youth Plaza, NO.8 Jia Shan Road, Hangzhou, Zhejiang 310014, ,ZhejiangChina
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7697-37-2 NITRIC ACID

  • 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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7697-37-2 Dilute Nitric Acid

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7697-37-2 Nitric acid

  • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
  • Tel: 86-23902293
  • Fax: 86-27898314
  • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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7697-37-2 Concentrated Nitric Acid

  • China China Langchem Inc. []
  • Tel: +86-(21)-58956006
  • Fax: +86-(21)-58956100
  • Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203, ,China
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7697-37-2 Nitric acid

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7697-37-2 Nitric Acid, Fuming

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 ,China
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References of nitric acid
Title: Nitric Acid
CAS Registry Number: 7697-37-2
Synonyms: Aqua fortis; azotic acid; Salpeters?ure (German)
Molecular Formula: HNO3
Molecular Weight: 63.01
Percent Composition: H 1.60%, N 22.23%, O 76.18%
Literature References: Strong monobasic acid and oxidizing agent. Usually produced by the catalytic oxidation of ammonia. Reviews of industrial processes: F. D. Miles, Nitric Acid, Manufacture and Uses (Oxford Univ. Press, 1961, 1963); W. Sommer in Ullmanns Encyklop?die der technischen Chemie vol. 15, pp 3-67 (3rd ed., 1964). Pure acid prepd by distillation of concd nitric acid with concd sulfuric acid; by treating sodium or potassium nitrate with 100% H2SO4 and removing HNO3 by distillation; by fractional crystallization of concd HNO3. Review of preparation and properties of pure HNO3: S. A. Stern et al., Chem. Rev. 60, 185-207 (1960); S. S. Pannu, J. Chem. Educ. 61, 174-176 (1984). Reviews: Mellor's Vol. VIII, supplement II, Nitrogen (part 2), 278-352 (1967); Jones in Comprehensive Inorganic Chemistry vol. 2, J. C. Bailar, Jr. et al., Eds. (Pergamon Press, Oxford, 1973) pp 375-388; D. J. Newman in Kirk-Othmer Encyclopedia of Chemical Technology vol. 15 (Wiley-Interscience, New York, 1981) pp 853-871. Review of photochemistry: J. R. Huber, Chem. Phys. Chem. 5, 1663-1669 (2004).
Properties: Colorless liquid. Fumes in moist air. Characteristic choking odor. d425 1.51. mp -41.59°. bp760 82.6°. Forms white, monoclinic crystals; d-41.6 (solid) 1.895. Heat of fusion: 2.503 kcal/mole. Heat of infinite dilution (298.1 K): -7971 cal/mole. Forms an azeotrope with water, so-called constant boiling acid at 68% HNO3, bp 120.5°, d420 1.41. Develops yellow color in the presence of light due to nitrogen oxide formation. Stains woolen fabrics and animal tissue a bright yellow. Reacts violently with combustible or readily oxidizable materials such as alcohols, turpentine, charcoal, organic refuse. Reacts with most metals to release hydrogen gas.
Melting point: mp -41.59°
Boiling point: bp760 82.6°; bp 120.5°
Density: d425 1.51; d-41.6 (solid) 1.895; d420 1.41
 
Derivative Type: Nitric acid, concentrated
Literature References: Defined as an aqueous solution containing approx 70% HNO3.
Properties: Density of aq solns: d420 1.0036 (1% HNO3 w/w); 1.0543 (10%); 1.1150 (20%); 1.1800 (30%); 1.2463 (40%); 1.3100 (50%); 1.3667 (60%); 1.4134 (70%); 1.4521 (80%); 1.4826 (90%); 1.5129 (100%): International Critical Tables III, 58 (1928).
Density: d420 1.0036 (1% HNO3 w/w); 1.0543 (10%); 1.1150 (20%); 1.1800 (30%); 1.2463 (40%); 1.3100 (50%); 1.3667 (60%); 1.4134 (70%); 1.4521 (80%); 1.4826 (90%); 1.5129 (100%)
 
Derivative Type: Nitric acid, fuming
Literature References: Concentrated nitric acid containing dissolved nitrogen dioxide. May be prepared from concd nitric acid by passing nitrogen dioxide into it or by adding a small amount of organic reducing agent, such as formaldehyde.
Properties: Yellow to brownish-red, clear, strongly fuming, very corrosive liq; evolves suffocating, poisonous, yellowish-red fumes of nitrogen dioxide and nitrogen tetroxide. The density increases as the free NO2 content increases: concd HNO3 with 7.5% NO2 added d420 = 1.526; with 12.7% NO2 d420 = 1.544. Miscible with water. Handle with extreme care.
Density: d420 = 1.526; d420 = 1.544
 
CAUTION: Potential symptoms of overexposure are irritation of eyes, mucous membranes and skin; delayed pulmonary edema, pneumonitis and bronchitis; dental erosion. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 224. See also Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section III, pp 8-11.
Use: Manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, rocket fuels. As laboratory reagent, in photoengraving, metal etching. Pharmaceutic aid (acidifier).