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Safety Information

SX0550

Supelco

Sodium Fluoride

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

Synonym(s):

Sodium Fluoride, Disodium Fluoride

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About This Item

Empirical Formula (Hill Notation):
FNa
CAS Number:
7681-49-4
Molecular Weight:
41.99
MDL number:
MFCD00003524
UNSPSC Code:
12352302
EC Index Number:
231-667-8

Agency

meets USP/NF

Quality Level

200

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

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
GHS06

Signal Word

Danger

Hazard Statements

H301,H315,H319

Hazard Classifications

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

Supplementary Hazards

EUH032

Storage Class Code

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

SX0550-1:
US1SX0550/901:
SX0550-5:

Certificates of Analysis (COA)

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