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Merck
CN

SX0550

Sodium Fluoride

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

别名:

Sodium Fluoride, Disodium Fluoride

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关于此项目

经验公式(希尔记法):
FNa
化学文摘社编号:
分子量:
41.99
UNSPSC Code:
12352302
EC Index Number:
231-667-8
MDL number:
Assay:
≥99.5% (precipitation titration)
Grade:
ACS reagent
Form:
crystals
Solubility:
soluble 42 g/L
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SMILES string

[Na+].[F-]

InChI

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

InChI key

PUZPDOWCWNUUKD-UHFFFAOYSA-M

grade

ACS reagent

agency

meets USP/NF

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

Quality Level

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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

存储类别

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

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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