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Key Documents

Safety Information

403016

Sigma-Aldrich

Sodium chlorate

ACS reagent, ≥99.0%

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About This Item

Linear Formula:
NaClO3
CAS Number:
Molecular Weight:
106.44
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

grade:
ACS reagent
form:
powder or crystals
solubility:
water: soluble
Pricing and availability is not currently available.

grade

ACS reagent

Quality Level

Agency

suitable for EPA 300

Assay

≥99.0%

form

powder or crystals

impurities

≤0.001% N compounds
≤0.005% insolubles

mp

248-261 °C (lit.)

solubility

water: soluble

anion traces

bromate (BrO3-): ≤0.015%
chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.001%

cation traces

Ca: ≤0.005%
Fe: ≤5 ppm
K: ≤0.01%
Mg: ≤0.002%
heavy metals (as Pb): ≤0.001%

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technique(s)

nucleic acid detection: suitable (RNA)

technique(s)

nucleic acid detection: suitable (RNA)

technique(s)

nucleic acid detection: suitable (RNA)

technique(s)

nucleic acid detection: suitable (RNA)

General description

Sodium chlorate is a hygroscopic[1], achiral ionic compound[2] which on crystallization forms two enantiomeric chiral crystals.[3] It is reported to be a probable byproduct of the drinking water disinfectant, chlorine dioxide (ClO2).[4] d-sodium chlorate may be utilized as chiral initiators in the synthesis of (S)-5-pyrimidyl alkanols.[5] Commercial production of sodium chlorate is by anodic oxidation of NaCl. It finds application as herbicide, oxidizing agent and as a starting material in the synthesis of sodium perchlorate.[1]

Application

Sodium chlorate may be used as an oxidizing agent to abstract zinc from sphalerite.[6]

Biochem/physiol Actions

sulfation biosynthesis inhibitor

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Ox. Sol. 1

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

易制爆化学品
危险化学品

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    Highly enantioselective asymmetric autocatalysis induced by chiral ionic crystals of sodium chlorate and sodium bromate.
    Sato I, et al.
    J. Mol. Catal. A: Chem., 216(2), 209-214 (2004)
    Kinetics of sphalerite dissolution by sodium chlorate in hydrochloric acid.
    Uca G.
    Hydrometallurgy, 95(1), 39-43 (2009)
    Asymmetric synthesis of optically active sodium chlorate and bromate crystals.
    Pagni RM and Compton RN.
    Crystal Growth & Design, 2(4), 249-253 (2002)
    Chiral symmetry breaking during crystallization: complete chiral purity induced by nonlinear autocatalysis and recycling.
    Viedma C.
    Physical Review Letters, 94(6), 065504-065504 (2005)
    Eagleson M
    Concise Encyclopedia Chemistry, 996-996 (1994)

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