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Sigma-Aldrich

Copper(II) sulfate

anhydrous, powder, ≥99.99% trace metals basis

Synonym(s):

Cupric sulfate

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About This Item

Linear Formula:
CuSO4
CAS Number:
7758-98-7
Molecular Weight:
159.61
EC Number:
231-847-6
MDL number:
MFCD00010981
UNSPSC Code:
12352302
PubChem Substance ID:
24868643
NACRES:
NA.23

grade

anhydrous

Quality Level

200

vapor pressure

7.3 mmHg ( 25 °C)

Assay

≥99.99% trace metals basis

form

powder

impurities

≤100.0 ppm Trace Metal Analysis

mp

200 °C (dec.) (lit.)

density

3.603 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Cu++].[O-]S([O-])(=O)=O

InChI

1S/Cu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

ARUVKPQLZAKDPS-UHFFFAOYSA-L

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General description

Anhydrous form of copper sulfate occurs as mineral hydrocyanite. It exhibits a rhombic crystalline morphology. It decomposes to its oxide at temperatures above 600oC. Hydrate of CuSO4 is prepared by the addition of dilute sulfuric acid on copper (II) oxide or copper (II) carbonate, blue triclinic crystals of pentahydrate are formed upon crystallization. In industrial preparation of CuSO4, a hot mixture of dilute sulfuric acid and scrap copper is exposed to air flow.

Application

This anhydrous salt may be used in the electroplating and mining industries and to preserve wood in combination chromium and arsenic.

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H315,H319,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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<SMALL>John Daintith</SMALL> et al.
Chemistry (Weinheim An Der Bergstrasse, Germany) (2005)
<SMALL>H. Wayne Richardson</SMALL> et al.
Handbook of Copper Compounds and Applications null
<SMALL>Egon Wiberg, Nils Wiberg</SMALL> et al.
Inorganic Chemistry, Academic Press (2001)
Hung T Vu et al.
Environmental toxicology and chemistry, 33(4), 791-797 (2013-12-10)
The assumption of the individual effective dose is the basis for the probit method used for analyzing dose or concentration-response data. According to this assumption, each individual has a uniquely innate tolerance expressed as the individual effective dose (IED) or
Mari Hansi et al.
Environmental pollution (Barking, Essex : 1987), 184, 443-448 (2013-10-15)
The density-dependence of terrestrial plant-plant interactions in the presence of toxins has previously been explored using biodegradable compounds. We exposed barley and lettuce to four copper concentrations at four stand densities. We hypothesized that toxin effects would decrease and Cu
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