Hanson Chemicals

Copper Sulfate

Formula: CuSO₄·5H₂O
CAS Number: 7758-99-8 (pentahydrate), 7758-98-7 (anhydrous)
EC Number (EINECS): 231-847-6
HS Code: 28332500
UN Number: 3077 (Environmentally hazardous substance, solid, n.o.s.)
IUPAC Name: Copper(II) sulfate pentahydrate
Also Known As: Blue Vitriol; Bluestone; Roman Vitriol
Molecular Weight, g/mol: 249.68 (pentahydrate), 159.61 (anhydrous)

Typical Specifications

Appearance: Bright blue crystalline solid
Odor: Odorless
Melting Point, °C: 110 (loses water of crystallization)
Boiling Point, °C: Decomposes before boiling
Purity, %: ≥98 (pentahydrate)
Grades Available: Industrial, Agricultural, Laboratory, Electroplating
Packaging: 25kg bags, 50kg drums, jumbo bags

Applications / Uses

Primary Applications

  • Widely used as a fungicide, herbicide, and pesticide in agriculture

  • Raw material for preparation of other copper compounds

  • Electroplating and metal finishing industry

Secondary Applications

  • Used as mordant in textile dyeing and printing

  • Ingredient in leather tanning and wood preservation

  • Laboratory reagent and analytical chemistry

  • Algaecide in water treatment

End Industries Served: Agriculture, Chemicals, Textiles, Leather, Mining, Metallurgy, Water Treatment, Laboratories

Safety & Handling Information

Hazard Class (GHS): Acute Toxicity (Category 4), Eye Irritant (Category 2), Aquatic Toxicity (Category 1)

Hazard Statements (H-Codes):

  • H302: Harmful if swallowed

  • H319: Causes serious eye irritation

  • H410: Very toxic to aquatic life with long lasting effects

Precautionary Statements (P-Codes):

  • P264: Wash hands thoroughly after handling

  • P273: Avoid release to the environment

  • P280: Wear protective gloves/eye protection

  • P301 + P312: IF SWALLOWED – Call a POISON CENTER if you feel unwell

Storage Conditions

  • Store in cool, dry, well-ventilated area

  • Keep away from strong reducing agents and organic materials

  • Prevent contact with food and animal feed

Transport Information

  • ADR/RID: Class 9, UN3077, PG III

  • IMDG: Class 9, UN3077, Marine Pollutant

  • IATA: Class 9, UN3077, PG III

Regulatory Information

  • REACH Status (EU): Registered

  • EPA Status (USA): Registered pesticide (restricted use in some applications)

  • ISO Certification: Available on request (ISO 9001 for industrial grade)

  • Food/Pharma Approval: Not approved for food or pharmaceutical use

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