Merck
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467855

Sigma-Aldrich

Copper(II) nitrate hemi(pentahydrate)

ACS reagent, ≥99.99% trace metals basis

Synonym(s):
Cupric nitrate hemi(pentahydrate)
Linear Formula:
Cu(NO3)2 · 2.5H2O
CAS Number:
Molecular Weight:
232.59
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

ACS reagent

Quality Level

Assay

≥99.99% trace metals basis

form

crystalline

impurities

≤0.01% insolubles
<100 ppm total metallic impurities

anion traces

chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.01%

cation traces

Ca: ≤0.005%
Fe: ≤0.005%
K: ≤0.005%
Na: ≤0.01%
Ni: ≤0.01%
Pb: ≤0.001%

application(s)

battery manufacturing

SMILES string

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

InChI

1S/2Cu.4NO3.5H2O/c;;4*2-1(3)4;;;;;/h;;;;;;5*1H2/q2*+2;4*-1;;;;;

InChI key

IZDJJEMZQZQQQQ-UHFFFAOYSA-N

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grade

ACS reagent

grade

ACS reagent

grade

-

grade

-

assay

≥99.99% trace metals basis

assay

98%, 98.0-102.0% (ACS specification)

assay

97%

assay

-

form

crystalline

form

crystals

form

solid

form

solid

impurities

≤0.01% insolubles, <100 ppm total metallic impurities

impurities

≤0.01% insolubles

impurities

-

impurities

-

anion traces

chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.01%

anion traces

chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.01%

anion traces

-

anion traces

-

cation traces

Ca: ≤0.005%, Fe: ≤0.005%, K: ≤0.005%, Na: ≤0.01%, Ni: ≤0.01%, Pb: ≤0.001%

cation traces

Ca: ≤0.005%, Fe: ≤0.005%, K: ≤0.005%, Na: ≤0.01%, Ni: ≤0.01%, Pb: ≤0.001%

cation traces

-

cation traces

-

Application

Catalyzes oxidative coupling of 2,6-dimethylphenol to produce a polymer which is an important engineering material.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Ox. Sol. 1 - Skin Corr. 1B

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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