1333-82-0 CrO3 Chromic acid 1333-82-0 CrO3
Chromic acid Basic information |
Product Name: | Chromic acid |
Synonyms: | Anidride cromica;anidridecromica;anidridecromica[qr];Chrome bronze;chrome(trioxydede);chrome(trioxydede)(french)[qr];chrometrioxydede;chromia(cro3) |
CAS: | 1333-82-0 |
MF: | CrO3 |
MW: | 99.99 |
EINECS: | 215-607-8 |
Product Categories: | INORGANIC & ORGANIC CHEMICALS;Inorganics;metal oxide;catalytic agent,chromium compound, wood preservation, medicine, catalyzer , printing, oxidant, oxidation acceleration.;Inorganic chemistry;Dye |
Mol File: | 1333-82-0.mol |
Chromic acid Chemical Properties |
mp | 196 °C (dec.)(lit.) |
bp | 330 °C |
density | 2.7 |
Fp | 250°C |
form | macroporous |
Water Solubility | Highly soluble |
FreezingPoint | 170~172℃ |
Sensitive | Hygroscopic |
Merck | 14,2235 |
Stability: | Stable. Strong oxidizer. Reacts with most organic material in a violent and often explosive fashion. Moisture sensitive. |
CAS DataBase Reference | 1333-82-0(CAS DataBase Reference) |
NIST Chemistry Reference | Chromium trioxide(1333-82-0) |
EPA Substance Registry System | Chromium oxide (CrO3)(1333-82-0) |
Safety Information |
Hazard Codes | O,T+,N,T |
Risk Statements | 45-46-9-24/25-26-35-42/43-48/23-50/53-62-8 |
Safety Statements | 53-45-60-61-36/37/39-28-26-22 |
RIDADR | UN 1463 5.1/PG 2 |
WGK Germany | 3 |
RTECS | GB6650000 |
HazardClass | 5.1 |
PackingGroup | II |
HS Code | 28191000 |
Hazardous Substances Data | 1333-82-0(Hazardous Substances Data) |
MSDS Information |
Provider | Language |
---|---|
Chromium trioxide | English |
SigmaAldrich | English |
ACROS | English |
ALFA | English |
Chromic acid Usage And Synthesis |
Chemical Properties | dark red crystals or powder |
General Description | A dark purplish red solid. Density 2.67 g/cm3. Melting point 385°F (196°C). Under prolonged exposure to fire or heat the containers may explode. Highly toxic. A confirmed human carcinogen. |
Air & Water Reactions | Deliquescent. Water soluble, giving acidic solutions. |
Reactivity Profile | CHROMIUM TRIOXIDE is a powerful oxidizing agent. Can react violently upon contact with reducing reagents, including organic matter, leading to ignition or explosion. 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]. Noncombustible but can accelerate the burning of combustible materials. Sufficient heat may be generated from the reaction with combustible materials to ignite the mass. Aqueous solutions corrode many metals rapidly. Often mixed with sulfuric acid to make "cleaning solution" for glass. Used cleaning solution in closed bottles may explode due to the build up of gaseous carbon dioxide arising from oxidation of organic impurities [Bryson, W. R., Chem. Brit., 1975, 11, p. 377]. |
Health Hazard | Toxic by ingestion. Inhalation of dust is toxic. Fire may produce irritating, corrosive and/or toxic gases. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause pollution. |
Fire Hazard | These substances will accelerate burning when involved in a fire. May explode from heat or contamination. Some may burn rapidly. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard. |
Chromic acid Preparation Products And Raw materials |
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4. Established time: June. 1998 (16 years experience in manufacturing & exporting chemical raw material )
5. Exported areas: Europe , southeast Asia , the Middle East , Africa , South America and some other
countries and areas.
6. Business scope: Organic & Inorganic Chemicals , Pigments & Dye stuffs , Water treatment chemicals
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12. Location of HenNan Sunlake enterprise corporation: Henan Province , The central plain of China.
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