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Merck
CN

451657

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
NACRES:
NA.23
PubChem Substance ID:
24868643
UNSPSC Code:
12352302
EC Number:
231-847-6
MDL number:
MFCD00010981
Assay:
≥99.99% trace metals basis
Grade:
anhydrous
Form:
powder

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Product Name

Copper(II) sulfate, anhydrous, powder, ≥99.99% trace metals basis

InChI key

ARUVKPQLZAKDPS-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

anhydrous

vapor pressure

7.3 mmHg ( 25 °C)

assay

≥99.99% trace metals basis

form

powder

reaction suitability

core: copper

impurities

≤100.0 ppm Trace Metal Analysis

mp

200 °C (dec.) (lit.)

density

3.603 g/mL at 25 °C (lit.)

Quality Level

200

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Application

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

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.

signalword

Warning

pictograms

Exclamation markEnvironment
GHS07,GHS09

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000489929
0000489929
0000484523
0000484524
0000484524

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<SMALL>John Daintith</SMALL> et al.
Chemistry (Weinheim An Der Bergstrasse, Germany) (2005)
<SMALL>Egon Wiberg, Nils Wiberg</SMALL> et al.
Inorganic Chemistry, Academic Press (2001)
<SMALL>H. Wayne Richardson</SMALL> et al.
Handbook of Copper Compounds and Applications null
See Wee Chee et al.
Nature communications, 10(1), 2831-2831 (2019-06-30)
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