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SX0550

Supelco

Sodium Fluoride

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Synonym(s):
Sodium Fluoride, Disodium Fluoride
Empirical Formula (Hill Notation):
FNa
CAS Number:
Molecular Weight:
41.99
MDL number:
EC Index Number:
231-667-8

agency

meets USP/NF

Quality Level

vapor pressure

1 hPa ( 1077 °C)

assay

≥99.5% (precipitation titration)

form

crystals

impurities

≤0.01% Insoluble matter
≤0.04% Free alkali (as NaOH)
≤0.05% Free acid (as hydrofluoric acid)
≤0.1% Sodium fluosilicate (Na2SiF6)

loss

≤0.2% loss on drying, 150°C

pH

10.2 (20 °C, 40 g/L in H2O)

mp

996 °C

solubility

soluble 42 g/L

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.01%
sulfite (SO32-): ≤0.005%

cation traces

Cu: ≤0.0002%
Fe: ≤0.002%
K: ≤0.02%
heavy metals (as Pb): ≤0.001%

shipped in

ambient

storage temp.

room temp

InChI

1S/FH.Na/h1H;/q;+1/p-1

InChI key

PUZPDOWCWNUUKD-UHFFFAOYSA-M

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This Item
201154PHR140801148
Sodium Fluoride Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

SX0550

Sodium Fluoride

-
Sodium fluoride ACS reagent, ≥99%

201154

Sodium fluoride

-
Sodium Fluoride Pharmaceutical Secondary Standard; Certified Reference Material

PHR1408

Sodium Fluoride

-
Sodium fluoride puriss., 98.5-100.5% (calc. to the dried substance), meets analytical specification of Ph. Eur., BP, USP

01148

Sodium fluoride

Essential Grade
solubility

soluble 42 g/L

solubility

-

solubility

-

solubility

-

assay

≥99.5% (precipitation titration)

assay

≥99%

assay

-

assay

98.5-100.5% (calc. to the dried substance)

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

200

impurities

≤0.01% Insoluble matter, ≤0.05% Free acid (as hydrofluoric acid), ≤0.04% Free alkali (as NaOH), ≤0.1% Sodium fluosilicate (Na2SiF6)

impurities

≤0.01 meq/g Titr. base, ≤0.02% insolubles, ≤0.03 meq/g Titr. acid, ≤0.1% sodium fluorosilicate

impurities

-

impurities

acidity or alkalinity, complies, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.002% heavy metals (as Pb), ≤0.1% free alkali (as NaOH), ≤0.2% free acid (as HF), ≤0.2% sodium hexafluorosilicate (Na2SiF6)

anion traces

chloride (Cl-): ≤0.003%, sulfite (SO32-): ≤0.005%, sulfate (SO42-): ≤0.01%

anion traces

chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.03%, sulfite (SO32-): ≤0.005%

anion traces

-

anion traces

chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤200 mg/kg

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay (precipitative titration)99.5% minChloride (Cl)0.003% maxCopper (Cu)0.0002% maxFree acid (as hydrofluoric acid)0.05% maxFree alkali (as NaOH)0.04% maxHeavy metals (as Pb)0.001% maxInsoluble matter0.01% maxIron (Fe)0.002% maxLoss on drying (150°C)0.2% maxPotassium (K)0.02% maxSodium fluosilicate (Na2 Si F6)0.1% maxSulfate (SO4)0.01% maxSulfite (SO2)0.005% max

pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2

supp_hazards

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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