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410241

Sigma-Aldrich

Sodium perchlorate

ACS reagent, ≥98.0%

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Synonym(s):
Hyperchloric acid sodium salt
Linear Formula:
NaClO4
CAS Number:
Molecular Weight:
122.44
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

Assay

≥98.0%

form

powder or chunks

reaction suitability

reagent type: oxidant

impurities

≤0.005% insolubles

pH

6.0-8.0 (25 °C, 5%)

mp

468 °C (lit.)

solubility

water: soluble 2096 g/L at 20 °C

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.002%

cation traces

Ca: ≤0.02%
Fe: ≤5 ppm
K: ≤0.05%
heavy metals: ≤5 ppm (by ICP)

SMILES string

[Na+].[O-]Cl(=O)(=O)=O

InChI

1S/ClHO4.Na/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1

InChI key

BAZAXWOYCMUHIX-UHFFFAOYSA-M

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1 of 4

This Item
931950906700931969
Sodium perchlorate ACS reagent, ≥98.0%

Sigma-Aldrich

410241

Sodium perchlorate

Sodium perchlorate anhydrous, ≥99.9% trace metals basis

Sigma-Aldrich

931950

Sodium perchlorate

Sodium perchlorate free-flowing, Redi-Dri™, ACS reagent, ≥98.0%

Sigma-Aldrich

906700

Sodium perchlorate

Lithium perchlorate anhydrous, ≥99.9% trace metals basis

Sigma-Aldrich

931969

Lithium perchlorate

assay

≥98.0%

assay

≥99.9% trace metals basis

assay

≥98.0%

assay

≥99.9% trace metals basis

form

powder or chunks

form

powder

form

powder

form

powder

impurities

≤0.005% insolubles

impurities

≤1000 ppm (trace metals analysis)

impurities

-

impurities

≤1000 ppm (trace metals analysis)

pH

6.0-8.0 (25 °C, 5%)

pH

6.0-8.0 (25 °C, 5%, aq.sol.)

pH

6-8 (25 °C, 5% in water)

pH

6.0-7.5 (25 °C, 5%, aq.sol.)

mp

468 °C (lit.)

mp

482 °C

mp

468 °C (lit.)

mp

236 °C (lit.)

General description

Sodium perchlorate is a water soluble perchlorate salt. It is prepared by electrolyzing aqueous sodium chlorate solution. It is a strong oxidizing agent. On impregnating porous silicon with sodium perchlorate it forms an explosive composite which has been investigated.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 1 - STOT RE 2

Target Organs

Thyroid

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 1


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