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Chromic acid

Chromic acid Suppliers list
Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-66670886
Email: info@dakenchem.com
Products Intro: Product Name:Chromic acid
CAS:7738-94-5
Purity:99% Package:100g,500g,1kg,5kg,10kg
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Email: info@tianfuchem.com
Products Intro: CAS:7738-94-5
Purity:99% Package:500G;1KG;5KG;25KG
Company Name: hdzhl biotechnology co., ltd
Tel: 86-13032617415
Email: sales@luchibiology.com
Products Intro: Product Name:Chromic Acid
CAS:7738-94-5
Purity:99% Package:1kg:1usd Remarks:Inorganic chemicals
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Email: linda@hubeijusheng.com
Products Intro: Product Name:Chromic acid
CAS:7738-94-5
Purity:0.99 Package:5KG;1KG
Company Name: career henan chemical co
Tel: 0086-371-86658258
Email: factory@coreychem.com
Products Intro: Product Name:Chromic acid
CAS:7738-94-5
Purity:99% Package:1KG;1USD

Lastest Price from Chromic acid manufacturers

  • Chromic acid USP/EP/BP
  • US $1.10 / g
  • 2021-07-23
  • CAS:7738-94-5
  • Min. Order: 1g
  • Purity: 99.9%
  • Supply Ability: 100 Tons min
  • Chromic acid
  • US $0.00-0.00 / KG
  • 2020-05-04
  • CAS:7738-94-5
  • Min. Order: 1KG
  • Purity: 99.0%
  • Supply Ability: 600 Tons
  • Chromic acid
  • US $1.00 / KG
  • 2019-12-26
  • CAS:7738-94-5
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 300kg
Chromic acid Basic information
Product Name:Chromic acid
Synonyms:Cromic acid;dihydroxy(diketo)chromium;CHROMIC ACID;Chromic acid USP/EP/BP
CAS:7738-94-5
MF:H2CrO4
MW:118.01
EINECS:231-801-5
Product Categories:
Mol File:7738-94-5.mol
Chromic acid Structure
Chromic acid Chemical Properties
Melting point 196°C
density 2.290
form Liquid
color Clear, orange
Water Solubility HIGHLY Soluble
EPA Substance Registry SystemChromic(VI) acid (7738-94-5)
Safety Information
RIDADR UN 1463/1755
Hazardous Substances Data7738-94-5(Hazardous Substances Data)
MSDS Information
Chromic acid Usage And Synthesis
DescriptionChromic acid, CrO3, is composed of dark, purplish-red, odorless crystals that are soluble in water. The specific gravity is 2.7, which is heavier than water. It is a powerful oxidizing agent and may explode on contact with organic materials. Chromic acid is a poison, corrosive to the skin, and has a TLV of 0.05 mg/m3 of air. Chromic acid is a known human carcinogen. The four-digit UN identification number is 1463. The NFPA 704 designation is health 3, flammability 0, and reactivity 1. The white section at the bottom of the 704 diamond has an “oxy” prefix, indicating that it is an oxidizer.
Chemical PropertiesChromic acid is a dark purplish-red odorless flakes or crystalline powder
UsesChemicals (chromates, oxidizing agents, catalysts), chromium-plating intermediate, medicine (caustic), process engraving, anodizing, ceramic glazes, colored glass, metal cleaning, inks, tanning, paints, textile mordant, etchant for plastics.
DefinitionThe name is in common use, although the true chromic acid, H2CrO4, exists only in solution.
Definitionchromic acid: A hypothetical acid,H2CrO4, known only in chromatesalts.
General DescriptionChromic acid is a dark purplish red solid, exists only in solution. The hydrate of chromiumoxide, it is used in electroplating baths. Chromic acid is soluble in water with the release of heat. The material itself is noncombustible but Chromic acid will accelerate the burning of combustible materials. Its solution is corrosive to metals and tissue.
Air & Water ReactionsWater soluble.
Reactivity ProfileA very powerful oxidizing agent, confirmed human carcinogen. Upon contact with reducing reagents Chromic acid can cause a violent explosion, in contact with organic matter Chromic acid may cause a violent oxidation leading to ignition. Dangerously reactive with acetone, alcohols, alkali metals (sodium, potassium), ammonia, arsenic, dimethylformamide, hydrogen sulfide, phosphorus, peroxyformic acid, pyridine, selenium, sulfur, and many other chemicals [Sax, 9th ed., 1996, p. 852]. When mixed with sulfuric acid for glass cleaning operations, used solution in closed bottle may explode due to internal pressure of carbon dioxide arising from contamination by carbon compounds [Bryson, W. R., Chem. Brit., 1975, 11, p. 377].
HazardA human carcinogen. A poison. Corrosive to skin. Powerful oxidizing agent, may explode on contact with reducing agents, may ignite on contact with organic materials. Upper respiratory tract irritant.
Health HazardVery irritating to eyes and respiratory tract. Ingestion causes severe gastrointestinal symptoms. Contact with eyes or skin causes burns; prolonged contact produces dermatitis (``chrome sores'').
Fire HazardBehavior in Fire: Containers may explode
Safety ProfileConfirmed human carcinogen. Poison by subcutaneous route. Mutation data reported. A powerful oxidzer. A powerful irritant of skin, eyes, and mucous membranes. Can cause a dermatitis, bronchoasthma, “chrome holes,” damage to the eyes. Dangerously reactive. Incompatible with acetic acid, acetic anhydride, tetrahydronaphthalene, acetone, alcohols, alkali metals, ammonia, arsenic, bromine penta fluoride, butyric acid, n,ndimethylformamide, hydrogen sulfide, peroxyformic acid, phosphorus, potassium hexacyanoferrate, pyridme, selenium
Potential Exposuren chromium plating; medicine, ceramic glazers, and paints.
ShippingUN1463 Chromium trioxide, anhydrous, Hazard Class: 5.1; Labels: 5.1-Oxidizer, 6.1-Poisonous materials, 8-Corrosive material. UN1755 (solution) Chromic acid, solid, Hazard class: 8; Labels: 8-Corrosive material.
IncompatibilitiesA strong oxidizer. Aqueous solution is strongly acidic. Reacts with acetic acid, acetic anhydride, acetone, anthracene, chromous sulfide; diethyl ether; dimethyl formamide; ethanol, hydrogen sulfide; methanol, naphthalene, camphor, glycerol, potassium ferricyanide, pyridine, turpentine, combustibles; organics, and other easily oxidized materials (such as paper, wood, sulfur, aluminum, and plastics). Attacks metals in presence of moisture
Waste DisposalChemical reduction to chromium(III) can be followed by land fill disposal of the sludge.
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