High-Purity Copper Sulfate Pentahydrate | China | Manufacturer | Lianyungang Kaiyu Environmental Tech Co., Ltd.

Price	$1200	$1150	$1100
Package	1ton	10ton	27ton

Product Details

Product Name: Copper Sulfate	CAS No.: 7758-98-7
EC-No.: 231-847-6	Min. Order: 1ton
Purity: 99%	Supply Ability: 1000T/M
Release date: 2025/09/23

Copper Sulfate
(CuSO₄)

1. Product Identification

Item	Description
Chemical Name	Copper(II) Sulfate (Cupric Sulfate)
Common Forms	Pentahydrate (CuSO₄·5H₂O) and Anhydrous (CuSO₄)
CAS Numbers	Pentahydrate: 7758-99-8; Anhydrous: 7758-98-7
Molecular Weights	Pentahydrate: 249.69 g/mol; Anhydrous: 159.61 g/mol
Appearance	Pentahydrate: bright blue crystals or granules; Anhydrous: white to off-white powder
Odor	Odorless

2. Physical and Chemical Properties

Property	Pentahydrate	Anhydrous
Color	Blue	White/gray
Solubility in Water (20 °C)	~32 g/100 mL	Freely soluble
Density	2.28 g/cm³	~3.6 g/cm³
pH (5% solution)	Slightly acidic (pH ~3.5–4.5)	Slightly acidic
Melting/Decomposition	Loses water of crystallization at ~110 °C	Stable until higher temperature

3. Applications

Industrial Grade: Electroplating, mining flotation agent, textile mordant, pigments/dyes, fungicides, algaecides, water treatment, wood preservative.
Food/Pharma Grade: Trace mineral supplement, feed additive, nutritional fortification, pharmaceutical formulations, laboratory reagent.

4. Specifications – Industrial vs Food/Pharma Grade

Parameter	Industrial Grade	Food/Pharma Grade (USP/FCC)
Assay (CuSO₄·5H₂O)	≥ 95.0%	98.0 – 102.0%
Copper Content (as Cu)	24 – 25% (typical)	25.0 – 25.6%
Appearance	Blue crystals or powder, may contain slight impurities	Uniform blue crystalline powder, free from foreign matter
Loss on Drying	Not strictly controlled	33.0 – 36.5% (represents water of crystallization)
Insoluble Matter	≤ 0.1 – 0.5%	≤ 0.005%
Chloride (Cl⁻)	Not routinely tested or ≤ 0.1%	≤ 0.001%
Sulfate (SO₄²⁻)	Present (no limit)	Meets USP/FCC identity tests
Iron (Fe)	May allow up to 0.1%	≤ 0.01%
Lead (Pb)	≤ 50 ppm	≤ 2 – 5 ppm
Arsenic (As)	≤ 10 ppm	≤ 3 ppm
Other Heavy Metals (Cd, Ni, Hg)	Higher permissible levels	≤ 1 – 3 ppm (each)
Microbiological Limits	Not typically tested	Total Plate Count ≤ 1000 cfu/g; Yeast & Mold ≤ 100 cfu/g; absence of pathogens

5. Regulatory Status

Industrial Grade: Not intended for human consumption; meets technical/agricultural standards.
Food/Pharma Grade: Meets USP, FCC, EP, or other pharmacopeia specifications; Generally Recognized As Safe (GRAS) when used according to GMP.

6. Storage & Handling

Storage Conditions: Keep in tightly sealed containers, in a cool, dry, and well-ventilated place. Avoid contact with moisture to prevent caking.
Shelf Life: 24–36 months under proper storage conditions.
Handling: Use gloves, protective clothing, and dust mask. Avoid inhalation and prolonged skin contact.

7. Safety Information

Hazards: Harmful if swallowed; causes irritation to skin, eyes, and respiratory tract; very toxic to aquatic life.
First Aid:

Eyes: Rinse immediately with plenty of water.
Skin: Wash with soap and water.
Inhalation: Move to fresh air.
Ingestion: Seek medical attention immediately.

For more information, please click on the website：http://www.khonorchem.com

Company Profile Introduction

Been striving in the field of chemicals for more than 15 years, Jiangsu Khonor Chemicals Co., Limited has became a professional supplier of various kinds of chemicals. With a motto of being professional, efficient and competitive, KHONOR establish solid cooperation and gain great support from leading manufacturers in different fields, including food additives, feed additives, water treatment chemicals, fertilizers, basic chemicals and speciaty chemicals etc. Our one-stop service offers clients the convenience of assembling a wide variety of food additives, feed additives, water treatment and industrial chemicals all in one go, ensuring reliable sourcing, compliance, and efficient delivery. By combining the expertise of our technical team with a robust supply network, we can help companies achieve consistency and quality across their product formulations.

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