ChemicalBook > CAS DataBase List > Copper(II) sulfate

Copper(II) sulfate

Product Name
Copper(II) sulfate
CAS No.
7758-98-7
Chemical Name
Copper(II) sulfate
Synonyms
CuSO4;COPPER SULFATE;COPPER SULPHATE;CUPRIC SULFATE;CUPRIC SULPHATE;Copper(Ⅱ) sulfate;COPPER SULPHATE (FEED GRADE);Sulfate de cuivre;Copper(II) sulfat;FEHLING SOLUTION B
CBNumber
CB7751862
Molecular Formula
CuO4S
Formula Weight
159.61
MOL File
7758-98-7.mol
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Copper(II) sulfate Property

Melting point:
200 °C (dec.)(lit.)
Density 
3.603 g/mL at 25 °C(lit.)
vapor pressure 
7.3 mm Hg ( 25 °C)
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: soluble
form 
powder
color 
Slightly greenish to gray
Specific Gravity
3.603
PH Range
3.7 - 4.5
PH
3.5-4.5 (50g/l, H2O, 20℃)
Odor
odorless
Water Solubility 
203 g/L (20 ºC)
Sensitive 
Hygroscopic
Merck 
14,2653
Exposure limits
ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3
Dielectric constant
10.3（0.0℃）
Stability:
hygroscopic
InChIKey
ARUVKPQLZAKDPS-UHFFFAOYSA-L
CAS DataBase Reference
7758-98-7(CAS DataBase Reference)
NIST Chemistry Reference
Cupric sulfate(7758-98-7)
EPA Substance Registry System
Cupric sulfate (7758-98-7)
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Safety

Hazard Codes 
Xn,N,Xi
Risk Statements 
36/38-50/53-22-51/53-36/37/38
Safety Statements 
24/25-36-60-61-22-26
RIDADR 
UN 3288 6.1/PG 3
WGK Germany 
2
RTECS 
GL8800000
F 
3
TSCA 
Yes
HS Code 
2833 25 00
HazardClass 
6.1
PackingGroup 
III
Hazardous Substances Data
7758-98-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 481 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H318Causes serious eye damage

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
908940
Product name
Copper(II) sulfate
Purity
free-flowing, Redi-Dri?, ReagentPlus?, ≥99%
Packaging
50g
Price
$52.7
Updated
2024/03/01
Sigma-Aldrich
Product number
908940
Product name
Copper(II) sulfate
Purity
free-flowing, Redi-Dri?, ReagentPlus?, ≥99%
Packaging
100g
Price
$77.2
Updated
2024/03/01
Sigma-Aldrich
Product number
908940
Product name
Copper(II) sulfate
Purity
free-flowing, Redi-Dri?, ReagentPlus?, ≥99%
Packaging
500g
Price
$226
Updated
2024/03/01
Sigma-Aldrich
Product number
61230
Product name
Copper(II) sulfate
Purity
puriss. p.a., anhydrous, ≥99.0% (RT)
Packaging
100G
Price
$74.5
Updated
2024/03/01
Sigma-Aldrich
Product number
61230
Product name
Copper(II) sulfate
Purity
puriss. p.a., anhydrous, ≥99.0% (RT)
Packaging
500G
Price
$253
Updated
2024/03/01
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Copper(II) sulfate Chemical Properties,Usage,Production

Description

Copper sulfate is a greenish-white crystallinesolid; the pentahydrate is blue powder or granules, or ultramarine crystalline solid. Molecular weight =159.60; 249.70(pentahydrate). Boiling point =150℃ (pentahydrate) with25H2O; Melting point = (decomposes) .200℃; decomposes .110℃ (pentahydrate) with 24H2O; copper sulfatedecomposes to CuO at 650℃. Hazard Identification (basedon NFPA-704 M Rating System): Health 2, Flammability 0,Reactivity 0. Highly soluble in water; forms a bright bluesolution.

Chemical Properties

Cupric sulfate, a bluish crystalline powder, also known as hydrocyanite and copper sulfate, vitriol, chalcanthite, and bluestone, is an azure blue material used in the It is used in the leather industry. It is prepared by the reaction of sulfuric acid and copper. It is also obtained as a by-product from copper refineries.

Chemical Properties

Copper sulfate (anhydrous form) is green or gray-white powder, whereas pentahydrate, the most commonly encountered salt, is bright blue. The anhydrous form occurs as a rare mineral known as chalcocyanite. Hydrated copper sulfate occurs in nature as chalcanthite. Copper sulfate is made by the action of sulfuric acid with a variety of copper compounds. Copper sulfate is used in hair dyes, coloring glass, processing of leather, textiles, and in pyrotechnics as a green colorant. Copper sulfate pentahydrate is used as a fungicide and a mixture with lime is called Bordeux mixture and is used to control fungus on grapes, melons, and other berries, as a molluscicide for the destruction of slugs and snails, particularly the snail host of the liver fl uke. Copper sulfate is used in Fehling and Benedict’s solution to test reducing sugars

Chemical Properties

Copper sulfate is a greenish-white crystalline solid; the pentahydrate is Blue powder or granules, or ultramarine crystalline solid.

Uses

Used as an antimicrobial and molluscicide.

Uses

Copper Sulfate is a nutrient supplement and processing aid most often used in the pentahydrate form. This form occurs as large, deep blue or ultramarine, triclinic crystals, as blue granules, or as a light blue powder. The ingredient is prepared by the reaction of sulfuric acid with cupric oxide or with copper metal. May be used in infant formula. It is also termed cupric sulfate.

Uses

Copper sulfate is also known as blue vitriol, this substance was made by the action of sulfuric acid on elemental copper. The bright-blue crystals are soluble in water and alcohol. Mixed with ammonia, copper sulfate was used in liquid filters. The most common application for copper sulfate was combining it with potassium bromide for making copper bromide bleach for intensification and toning. Some photographers used copper sulfate as a restrainer in ferrous sulfate developers that were used in the collodion process.

Uses

Copper(II) sulfate may be employed for the following studies:

  • As a catalyst for the acetylation of alcohols and phenols under solvent-free conditions.
  • To compose the electrolyte for the electrodeposition of Cu-Zn-Sn precursors, required for the preparation of Cu2ZnSnS4 (CZTS) thin films.
  • As a Lewis acid catalyst for the dehydration of alcohols.5

Definition

A compound prepared as the hydrate by the action of dilute sulfuric acid on copper( II) oxide or copper(II) carbonate. On crystallization, blue triclinic crystals of the pentahydrate (blue vitriol, CuSO4.5H2O) are formed. Industrially copper(II) sulfate is prepared by passing air through a hot mixture of dilute sulfuric acid and scrap copper. The solution formed is recycled until the concentration of the copper(II) sulfate is sufficient. Copper(II) sulfate is readily soluble in water. The monohydrate (CuSO4.H2O) is formed at 100°C and the anhydrous salt at 250°C. Anhydrous copper( II) sulfate is white; it is extremely hygroscopic and turns blue on absorption of water. It decomposes on heating to give copper(II) oxide and sulfur(VI) oxide.
Copper(II) sulfate is used as a wood preservative, a fungicide (in Bordeaux mixture), and in the dyeing and electroplating industries.

Definition

ChEBI: A metal sulfate compound having copper(2+) as the metal ion.

General Description

A white or off-white solid. Melting point 200°C with decomposition. Non-combustible.

Air & Water Reactions

Soluble in water.

Reactivity Profile

Anhydrous Cupric sulfate serves as a weak oxidizing agent. Causes hydroxylamine to ignite. Gains water readily. The hydrated salt is vigorously reduced by hydroxylamine [Mellor 8:292(1946-1947)]. Both forms are incompatible with finely powdered metals. Both are incompatible with magnesium, corrode steel and iron, may react with alkalis, phosphates, acetylene gas, hydrazine, or nitromethane, and may react with beta-naphthol, propylene glycol, sulphathiazole and triethanolamine if the pH exceeds 7 . Both act as acidic salts, corrode metals and irritate tissues.

Hazard

Toxic; highly irritant.

Health Hazard

INGESTION: copper sulfate may induce severe gastroenteric distress (vomiting, gastroenteric pain, and local corrosion and hemorrhages), prostration, anuria, hematuria, anemia, increase in white blood cells, icterus, coma, respiratory difficulties, and circulatory failure.

Health Hazard

Workers who accidentally ingest copper sulfate experience abdominal pain and cramps, burning sensation, corrosive effects, nausea, vomiting, loose bowel movement, and a metallic taste. Exposures to copper sulfate by ingestion or skin absorption cause severe irritating effects to the eyes and skin The aerosol is irritating to the respiratory tract, and effects on the blood, kidneys and liver result in hemolytic anemia, kidney impairment, liver impairment, and shock or collapse. At large doses, accidental intake of copper sulfate causes renal failure, comatose, and even death. Long-term exposure to copper sulfate may lead to liver damage, lung diseases, and decreased female fertility.

Agricultural Uses

Fungicide, Algaecide, Bactericide, Herbicide, Molluscicide: Copper sulfate is a fungicide used to control bacterial and fungal diseases of fruit, vegetable, nut, and field crops. These diseases include mildew, leaf spots, blights, and apple scab. It is used as a protective fungicide (Bordeaux mixture) for leaf application and seed treatment. It is also used as an algaecide and herbicide, and to kill slugs and snails in irrigation and municipal water treatment systems. It has been used to control Dutch elm disease. It is available as a dust, wettable powder, or liquid concentrate. Used as a fungicide and algaecide, in veterinary medicine and others. Copper sulfate is also used todetect and to remove trace amounts of water from alcohols and organic compounds.

Industrial uses

Copper sulfate (CuSO4·5H2O) is widely used as an activator for sphalerite, pyrite, pyrrhotite and other sulfides during processing of base metal ores. During flotation of some silicate minerals, copper sulfate is used as depressant, e.g. zirconium.
In manufacturing copper sulfate, sulfuric acid and scrap copper metal are used. The process is based on the oxidation of metal and dissolution with H2SO4 according to the following reaction:
4Cu + O2 = 2Cu2O Cu2O + H2SO4 = CuSO4 + H2O 2Cu2SO4 + 2H2SO4 + O2 = 4CuSO4 + 2H2O Usually, in mineral processing applications, copper sulfate is delivered in crystal form.

Trade name

AGRITOX®; BASICOP®; BCS COPPER FUNGICIDE®; BSC FLOWABLE®[C]; COPSIN®; CP BASIC SULFATE®; CUPROFIX®; FUNGI-SPERSE II[C]; SULTRACOB®; TNCS® 53; TRIANGLE®

Safety Profile

A human poison by ingestion. An experimental poison by ingestion, subcutaneous, parenteral, intravenous, and intraperitoneal routes. Human systemic effects by ingestion: gastritis, Qarrhea, nausea or vomiting, damage to kidney tubules, and hemolysis. Questionable carcinogen with experimental tumorigenic data. An experimental teratogen. Other experimental reproductive effects. Mutation data reported. Reacts violently with hydroxylamine, magnesium. See also COPPER COMPOUNDS and SULFATES. When heated to decomposition it emits toxic fumes of SOx

Potential Exposure

Copper sulfate is used as intermediate and wood preservative; also used in production of copper compounds; to detect and to remove trace amounts of water from alcohols and organic compounds; as a fungicide and algicide; in veterinary medicine and others.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.Note to physician: Empty stomach by lavage with 0.1%solution of potassium ferrocyanide or milk. Liver or kidneyfunction tests may be indicated. May result inmethemoglobinemia

storage

Workers should keep copper sulfate stored in a cool, dry area with suffi cient ventilation. It should be kept away from alkalis, magnesium, ammonia, acetylene, and sodium hypobromite.

Shipping

UN3288 Toxic solids, inorganic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Purification Methods

After adding 0.02g of KOH to a litre of nearly saturated aqueous solution of the sulfate, it is left for two weeks, then the precipitate is filtered on to a fibreglass filter with pore diameter of 5-15 microns. The filtrate is heated to 90o and allowed to evaporate until some CuSO4.5H2O crystallises out. The solution is then filtered hot and cooled rapidly to give crystals which are freed from mother liquor by filtering under suction [Geballe & Giauque J Am Chem Soc 74 3513 1952]. Alternatively crystallise the sulfate from water (0.6mL/g) between 100o and 0o. The pentahydrate is slowly efflorescent, losing 2H2O at 30o, two more H2O are lost at 110o and a white anhydrous powder (dessicant) is obtained on heating above 250o.

Incompatibilities

Aqueous solution is an acid. May form explosive materials on contact with acetylene and nitromethane. Incompatible with strong bases; hydroxylamine, magnesium; zirconium, sodium hypobromite, hydrazine.

Waste Disposal

Copper-containing soluble wastes can be concentrated through the use of ion exchange, reverse osmosis, or evaporators to the point where copper can be electrolytically removed and sent to a reclaiming firm. If recovery is not feasible, the copper can be precipitated through the use of caustics and the sludge deposited in a chemical waste landfill Add soda ash to waste CuSO4 solution; let stand 24 hours. Decant and neutralize solution before flushing to sewer. Landfill sludge.

Precautions

During handling and use of copper sulfate, students and occupational workers should wear safety glasses and should not breathe the material in powder form. Copper sulfate is an environmental pollutant and must be carefully incorporated when used in its varied applications. Workers should wear protective clothing, goggles, impermeable gloves, and rubber boots to avoid skin contact

Copper(II) sulfate Preparation Products And Raw materials

Raw materials

Copper COPPER(II) SULFIDE Cupric oxide Cupric hydroxide Sulfuric acid

Preparation Products

polyamide conductive fiber Cuprous thiocyanate 5-FLUORO-2-HYDROXY-3-METHYLBENZALDEHYDE Direct Blend Blue 2-(2-CHLOROETHOXY)-BENZENESULFONAMIDE 3-Fluorophenol 2-CYANO-5-METHYLBENZENESULFONYL CHLORIDE 4-Chlorobenzenesulfonic acid 2-Bromo-5-nitrothiazole Reactive Blue BRF zinc plating additive DPE-1 Phthalide ETHYL 2-CHLORO-4-METHYL-1,3-THIAZOLE-5-CARBOXYLATE Solvent Violet 8 PROCION BLUE H-5R 4-NITROPHENYL PHENYL ETHER Sulphur Brown 4 1,2:3,4-Di-O-isopropylidene-D-galactopyranose 4-FLUORO-2-NITROBENZONITRILE Copper(II) gluconate REACTIVE VIOLET 5 3-NITRO-PYRIDINE-2-CARBOXYLIC ACID Disperse Red 86 Rubber peptizer 3-PHENOXYTOLUENE trisodium [5-acetamido-4-hydroxy-3-[[2-hydroxy-5-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonato(5-)]cuprate(3-) trisodium [2-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-1,7-disulphonato(5-)]cuprate(3-) 5-chloro-2-methylbenzenediazonium Cupric hydroxide Reactive Black 31 CuO-Al inorganic adhesive 1-METHYLTHYMINE Copper pyrophosphate ACID BLUE 62 Reactive Violet 2 5-CHLORO-2-NITROANISOLE COPPER(II) 2-ETHYLHEXANOATE 6-BROMOPHTHALAZIN-1(2H)-ONE tetrasodium [mu-[[7,7'-(carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-2-sulphonato]](8-)]]dicuprate(4-) tetraammonium [mu-[[5,5'-[carbonylbis[imino(2-hydroxy-5-sulpho-p-phenylene)azo]]bis[6-hydroxynaphthalene-2-sulphonato]](8-)]]dicuprate(4-)
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View Lastest Price from Copper(II) sulfate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Copper(II) sulfate 7758-98-7
Price
US $0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
500kg/month
Release date
2021-07-20
Hebei Zhuanglai Chemical Trading Co Ltd
Product
Copper(II) sulfate 7758-98-7
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 ton
Release date
2024-11-15
Shandong Deshang Chemical Co., Ltd.
Product
Copper(II) sulfate 7758-98-7
Price
US $8.90-5.20/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 tons
Release date
2024-06-26

7758-98-7, Copper(II) sulfateRelated Search:

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  • Copper(II) sulfate, anhydrous, pure, 98%
  • Copper(II) sulfate anhydrous, extra pure, Ph Eur, USP, BP
  • "Copper(II) sulfate, anhydrous/ 97+%"
  • Copper(II) sulfate,Cupric sulfate
  • Fehling’s reagent (A)
  • Copper(II) sulfate solution 4
  • Copper(II) sulfate, anhydrous, for analysis, 98+% 100GR
  • Copper(II) sulfate, anhydrous, pure, 98% 100GR
  • Copper(II) sulfate, anhydrous, pure, 98% 500GR
  • Copper(II) sulfate, anhydrous, pure, 98% 5GR
  • COPPER SULPHATE CRYSTALS/ FINE POWDER
  • Copper(Ⅱ) sulfate anhydrous
  • COPPER(II) SULFATE SOLUTION 0,1 MOL/L, 0 ,1 M VOLUMETRIC SOLUTION
  • COPPER(II) SULFATE ANHYDROUS, EXTRA PURE , DAB, PH. EUR., B. P., U. S. P.
  • COPPER(II) SULFATE, REAGENTPLUS TM, >= 99%
  • Copper sulfate standard solution 0.2 mol/l, volumetric solution
  • FEHLINGS REAGENS I FOR SUGARS
  • FEHLING'S SOLUTION FOR THE DETER-MINATIO N OF SUGAR, REAG. PH. EUR. I. COPPER SU
  • Copper(II) sulfate, anhydrous, powder, 99.99+% metals basis
  • COPPER(II) SULPHATE SOLUTION 13% &
  • COPPER(II) SULFATE 9 WT. % ON NEUTRAL &
  • CUPRIC SULFATE STD SOLUTION 0.2 MOL/L N54, 1 L
  • CupricSulphateAnhydrousGr
  • Copper(Ii)SulphateAnhydrousBp
  • CopperSulphateDried
  • Copper(Ii)SulphateA.R.
  • COPPER(II) SULFATE ANHYDROUS FOR ANALYSI
  • Copper(II) sulfate pentahydrate, 98.0-102%
  • Copper(II) sulfate anhydrous, powder, >=99.99% trace Metals basis
  • Copper(II) sulfate puriss. p.a., anhydrous, >=99.0% (RT)
  • Copper(II) sulfate puriss., meets analytical specification of Ph. Eur., BP, USP, anhydrous, 99-100.5% (based on anhydrous substance)
  • Copper(II) sulfate ReagentPlus(R), >=99%
  • Copper(II) sulfate solution 4 % (w/v) (prepared from copper (II) sulfate pentahydrate)
  • FEHLING'S REAGENT, SOLUTION A (CONCENTR
  • BLUE VITRIOL
  • FEHLING'S SOLUTION
  • FEHLING'S SOLUTION A
  • FEHLINGS SOLUTION, COPPER A
  • FEHLING'S SOLUTION NO 1
  • FEHLING'S REAGENT SOLUTION(A)
  • FEHLING'S REAGENT I
  • FEHLING'S REAGENT I FOR SUGARS
  • FEHLING A SOLUTION
  • FEHLING SOLUTION B
  • FEHLING SOLUTION B, ALKALINE
  • FEHLING-SOXHLET SOLUTION A (COPPER)
  • FEHLING'S ALKALINE SOLUTION
  • FEHLING'S COPPER SOLUTION
  • FEHLING SOLUTION A
  • FEHLING SOLUTION A, COPPER
  • FISHERTAB TT-35 KJELDAHL TABLETS
  • FISHERTAB TT-43 KJELDAHL TABLETS
  • FISHERTAB TT-50 KJELDAHL TABLETS
  • FISHERTAB TT-57 KJELDAHL TABLETS