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Lithium chromate

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inorganic compound
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Lithium chromate is an inorganic compound with the chemical formula Li two CrO four It is mainly used as the buffer of air conditioner and antifreeze and preservative in water cooling system.
On October 27, 2017, the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization (WHO) was preliminarily sorted out for reference. Chromium (6-valent) compounds were included in the list of Class 1 carcinogens. [1]
Chinese name
Lithium chromate
Foreign name
Lithium chromate
chemical formula
Li two CrO four
molecular weight
one hundred and twenty-nine point eight seven six
CAS login number
14307-35-8
EINECS login number
238-244-7
Melting point
844 ℃
Density
1.355 g/cm³
Appearance
Yellow crystalline powder
Security description
S17；S36/37/39；S53；S60
Hazard symbol
T+；O
Hazard description
R8
UN dangerous goods number
one thousand four hundred and seventy-nine

catalog

  1. one Physical and chemical properties
  2. two Calculate chemical data
  3. three purpose
  4. four security information
  5. ▪ Safety terminology
  6. ▪ Risk terminology

Physical and chemical properties

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Melting point: 844 ℃
Density: 1.355g/cm three
Appearance: yellow crystalline powder
Solubility: soluble in strong inorganic acid and alkali solutions, insoluble in water and oil [2]

Calculate chemical data

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Reference value for drainage parameter calculation (XlogP): None
Number of hydrogen bond donors: 0
Number of hydrogen bond receptors: 4
Number of rotatable chemical bonds: 0
Number of tautomers: 0
Topological molecular polar surface area: 80.3
Number of heavy atoms: 7
Surface charge: 0
Complexity: 62.2
Number of isotope atoms: 0
Determine the number of atomic structure centers: 0
Number of uncertain atomic structure centers: 0
Determine the number of chemical bond structure centers: 0
Number of uncertain chemical bond structure centers: 0
Number of covalent bond units: 3 [2]

purpose

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It is mainly used as a buffer for air conditioners and as an antifreeze and preservative in water cooling systems.

security information

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Safety terminology

S17：Keep away from combustible material.
Keep away from combustible materials.
S36/37/39：Wear suitable protective clothing, gloves and eye/face protection.
Wear appropriate protective clothing, gloves and eye/face protection.
S53：Avoid exposure - obtain special instructions before use.
Avoid contact and obtain special instructions before use.
S60：This material and/or its container must be disposed of as hazardous waste.
The substance and its container must be disposed of as hazardous waste.

Risk terminology

R8：Contact with combustible material may cause fire.
Contact with combustible materials may cause fire.
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