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7789-00-6 CrK2O4 Potassium chromate

CAS NO.7789-00-6

  • Min.Order: 100 Gram
  • Payment Terms: L/C,D/A,D/P,T/T,Other
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Product Details

Keywords

  • 7789-00-6 CrK2O4 Potassium chromate
  • 7789-00-6
  • CrK2O4

Quick Details

  • ProName: 7789-00-6 CrK2O4 P...
  • CasNo: 7789-00-6
  • Molecular Formula: CrK2O4
  • Appearance: white powder
  • Application: Inorganics;By Reference Material;N - R...
  • DeliveryTime: 5-7 days after payment
  • PackAge: Woven bag
  • Port: Tianjin Shanghai
  • ProductionCapacity: 1 Kilogram/Day
  • Purity: 98%
  • Storage: Normal temperature
  • Transportation: Ocean shipping Express delivery
  • LimitNum: 100 Gram

Superiority

 
Potassium chromate Chemical Properties
Melting point  971 °C(lit.)
density  1.00 g/mL at 20 °C
vapor density  6.7 (vs air)
storage temp.  2-8°C
solubility  H2O: soluble
Water Solubility  640 g/L (20 ºC)
Merck  14,7622
Stability: Stable. Strong oxidizing agent - contact with combustible materials may lead to fire or violent reaction. Incompatible with strong reducing agents, combustible materials.
CAS DataBase Reference 7789-00-6(CAS DataBase Reference)
EPA Substance Registry System Chromic acid (H2CrO4), dipotassium salt(7789-00-6)
 
Safety Information
Hazard Codes  T,N,O
Risk Statements  49-46-43-51/53-8-50/53-36/37/38-22-45-52/53-25-42/43-20
Safety Statements  53-45-60-61-36/37-26-23
RIDADR  UN 3288 6.1/PG 3
WGK Germany  3
RTECS  GB2940000
HazardClass  5.1
PackingGroup  III
Hazardous Substances Data 7789-00-6(Hazardous Substances Data)
MSDS Information
Provider Language
SigmaAldrich English
ACROS English
ALFA English
 
Potassium chromate Usage And Synthesis
Chemical Properties lemon-yellow crystals
General Description Potassium chromate is a yellow crystalline solid. Potassium chromate is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Potassium chromate is used in chemical analysis, in making pigments for paints and inks, as a fungicide, and to make other chromium compounds.
Air & Water Reactions Soluble in water.
Reactivity Profile Oxidizing agents, such as Potassium chromate , can react with reducing agents to generate heat and products that may be gaseous (causing pressurization of closed containers). The products may themselves be capable of further reactions (such as combustion in the air). The chemical reduction of materials in this group can be rapid or even explosive, but often requires initiation (heat, spark, catalyst, addition of a solvent). Explosive mixtures of inorganic oxidizing agents with reducing agents often persist unchanged for long periods if initiation is prevented. Such systems are typically mixtures of solids, but may involve any combination of physical states. Some inorganic oxidizing agents are salts of metals that are soluble in water; dissolution dilutes but does not nullify the oxidizing power of such materials. Organic compounds, in general, have some reducing power and can in principle react with compounds in this class. Actual reactivity varies greatly with the identity of the organic compound. Inorganic oxidizing agents can react violently with active metals, cyanides, esters, and thiocyanates.
Health Hazard Inhalation causes local irritation of mucous membranes; continuing nose irritation can result in perforation of nasal septum. Ingestion may cause violent gastroenteritis, circulatory collapse, vertigo, coma, and toxic nephritis; ingestion of excessive quantities can be fatal. Contact with eyes causes severe irritation and conjunctivitis. Repeated or prolonged exposure to dust, mist, or solutions may cause dermatitis; contact with breaks in the skin may cause ``chrome sores'' appearing as slow-healing, hard-rimmed ulcers which leave the area vulnerable to infection.
Fire Hazard Behavior in Fire: May increase intensity of fire if in contact with combustible materials. Cool containers and spilled material with plenty of water.

 

Details

 
 
Potassium chromate Chemical Properties
Melting point  971 °C(lit.)
density  1.00 g/mL at 20 °C
vapor density  6.7 (vs air)
storage temp.  2-8°C
solubility  H2O: soluble
Water Solubility  640 g/L (20 ºC)
Merck  14,7622
Stability: Stable. Strong oxidizing agent - contact with combustible materials may lead to fire or violent reaction. Incompatible with strong reducing agents, combustible materials.
CAS DataBase Reference 7789-00-6(CAS DataBase Reference)
EPA Substance Registry System Chromic acid (H2CrO4), dipotassium salt(7789-00-6)
 
Safety Information
Hazard Codes  T,N,O
Risk Statements  49-46-43-51/53-8-50/53-36/37/38-22-45-52/53-25-42/43-20
Safety Statements  53-45-60-61-36/37-26-23
RIDADR  UN 3288 6.1/PG 3
WGK Germany  3
RTECS  GB2940000
HazardClass  5.1
PackingGroup  III
Hazardous Substances Data 7789-00-6(Hazardous Substances Data)
MSDS Information
Provider Language
SigmaAldrich English
ACROS English
ALFA English
 
Potassium chromate Usage And Synthesis
Chemical Properties lemon-yellow crystals
General Description Potassium chromate is a yellow crystalline solid. Potassium chromate is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Potassium chromate is used in chemical analysis, in making pigments for paints and inks, as a fungicide, and to make other chromium compounds.
Air & Water Reactions Soluble in water.
Reactivity Profile Oxidizing agents, such as Potassium chromate , can react with reducing agents to generate heat and products that may be gaseous (causing pressurization of closed containers). The products may themselves be capable of further reactions (such as combustion in the air). The chemical reduction of materials in this group can be rapid or even explosive, but often requires initiation (heat, spark, catalyst, addition of a solvent). Explosive mixtures of inorganic oxidizing agents with reducing agents often persist unchanged for long periods if initiation is prevented. Such systems are typically mixtures of solids, but may involve any combination of physical states. Some inorganic oxidizing agents are salts of metals that are soluble in water; dissolution dilutes but does not nullify the oxidizing power of such materials. Organic compounds, in general, have some reducing power and can in principle react with compounds in this class. Actual reactivity varies greatly with the identity of the organic compound. Inorganic oxidizing agents can react violently with active metals, cyanides, esters, and thiocyanates.
Health Hazard Inhalation causes local irritation of mucous membranes; continuing nose irritation can result in perforation of nasal septum. Ingestion may cause violent gastroenteritis, circulatory collapse, vertigo, coma, and toxic nephritis; ingestion of excessive quantities can be fatal. Contact with eyes causes severe irritation and conjunctivitis. Repeated or prolonged exposure to dust, mist, or solutions may cause dermatitis; contact with breaks in the skin may cause ``chrome sores'' appearing as slow-healing, hard-rimmed ulcers which leave the area vulnerable to infection.
Fire Hazard Behavior in Fire: May increase intensity of fire if in contact with combustible materials. Cool containers and spilled material with plenty of water.

 
 HenNan sunlake enterprise corporation is located in Henan Province , The central plain of China , Which enjoys favorable geogeaphical position and convenient transportion, The com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material . 
   Sunlake is a professional manufacturer engaged in producing and selling chemicals,including Organic & inorganic chemicals , pigments & Dyestuffs , Water treatment chemicals , Food & FEED additives and others . these products have been being well exported to europe , southeast Asia , the Middle East , Africa , South America and some other countries and areas. 
    We sincerely welcome foreign friends to visit our plant for cooperation. With the idea of "quality first,credit priority, Excellent service", We are highly acknowledged by customers for good quality and competitive price. More importantly , the company has a strong R & D team, who are professional engineers and scholars with Ph. D. .So we are confident to serve you better with our high - quality products and professional team. 
We are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market. 
We welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!
 
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