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Alum chrome extra pure, commonly known as Chrome Alum or Chromium(III) Potassium Sulfate, is represented chemically as
KCr(SO
4
)
2
⋅
12
H
2
O
KCr(SO
4
)
2
⋅12H
2
O.
Chemical Description
Chemical Formula:
KCr(SO
4
)
2
⋅
12
H
2
O
KCr(SO
4
)
2
⋅12H
2
O
Molar Mass: 499.4 g/mol (dodecahydrate)
Appearance: Dark purple to nearly black crystalline powder
Density: 1.826 g/cm³ (dodecahydrate)
Melting Point: 75–90°C (decomposes with loss of water)
Solubility: Highly soluble in water; insoluble in alcohol
Properties and Uses
Leather Tanning: Primary use is in the leather tanning industry to stabilize collagen fibers
Dyeing and Mordant: Acts as a mordant in fabric dyeing due to its ability to fix dyes
Historical Photography: Used as a hardening agent for gelatin emulsions in photographic processing
Laboratory Reagent: Used for analytical and research purposes, especially in the preparation of chrome salts and other chromium compounds
Physical Properties: Solutions are dark violet, turning green upon heating above 50°C due to the formation of different chromium(III) complexes
Safety
Non-flammable: Chrome alum is not flammable
Handling: Avoid inhalation or ingestion, and use protective equipment when handling the pure material, especially in laboratory or industrial settings
“Extra pure” chrome alum refers to a highly purified form, suitable for sensitive analytical and laboratory uses where contaminant levels must be extremely low.
Let me know if you need typical specifications, material safety data, or catalog text for alum chrome extra pure.
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Ferrous borate extra pure is a high-quality iron(II) borate compound (commonly referred to as iron(II) borate or ferrous borate), used predominantly in laboratory and industrial settings for applications that demand high purity standards. It typically appears as a fine, air-sensitive solid and is valued for its chemical stability under controlled conditions. The compound features a high degree of purity, making it especially suitable for analytical work, advanced research, and select industrial processes.
Product Description for Website
Ferrous borate extra pure (Iron(II) borate) is a premium-grade inorganic salt prepared to strict purity standards, ensuring low levels of contaminants and accurate stoichiometry for scientific and technical applications. The product is carefully processed and packaged to maintain its chemical integrity and support reliable results in laboratory analysis and synthesis.
Synonyms: Iron(II) borate, Ferrous borate
Chemical Formula: Fe(BO2)2 (hydrated forms and other stoichiometries possible)
Appearance: Pale solid, may be air-sensitive
Grade: Extra pure (analytical/research grade)
Applications: Used in specialized laboratory analyses, catalyst systems, advanced inorganic synthesis, and as a starting material in certain industrial applications where high purity is critical.
Key Features
High purity and controlled chemical analysis for reliable, reproducible results
Packaged with minimal contamination risk and maximum shelf-life
Suitable for use in chemical research, formulation, and manufacturing at the analytical level
Safety & Handling
Ferrous borate is generally stable under typical laboratory conditions but should be handled with care as it may be sensitive to atmospheric moisture and air. Use standard personal protective equipment and store in a tightly sealed container in a cool, dry environment.
This concise description is suitable for use as a base product summary or catalog entry for e-commerce or laboratory supply websites, ensuring clarity for research and procurement professionals.
Ferrous borate extra pure is a high-quality iron(II) borate compound (commonly referred to as iron(II) borate or ferrous borate), used predominantly in laboratory and industrial settings for applications that demand high purity standards. It typically appears as a fine, air-sensitive solid and is valued for its chemical stability under controlled conditions. The compound features a high degree of purity, making it especially suitable for analytical work, advanced research, and select industrial processes.
Product Description for Website
Ferrous borate extra pure (Iron(II) borate) is a premium-grade inorganic salt prepared to strict purity standards, ensuring low levels of contaminants and accurate stoichiometry for scientific and technical applications. The product is carefully processed and packaged to maintain its chemical integrity and support reliable results in laboratory analysis and synthesis.
Synonyms: Iron(II) borate, Ferrous borate
Chemical Formula: Fe(BO2)2 (hydrated forms and other stoichiometries possible)
Appearance: Pale solid, may be air-sensitive
Grade: Extra pure (analytical/research grade)
Applications: Used in specialized laboratory analyses, catalyst systems, advanced inorganic synthesis, and as a starting material in certain industrial applications where high purity is critical.
Key Features
High purity and controlled chemical analysis for reliable, reproducible results
Packaged with minimal contamination risk and maximum shelf-life
Suitable for use in chemical research, formulation, and manufacturing at the analytical level
Safety & Handling
Ferrous borate is generally stable under typical laboratory conditions but should be handled with care as it may be sensitive to atmospheric moisture and air. Use standard personal protective equipment and store in a tightly sealed container in a cool, dry environment.
This concise description is suitable for use as a base product summary or catalog entry for e-commerce or laboratory supply websites, ensuring clarity for research and procurement professionals.