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سدیم فلوراید 250 گرمی پور آنالیز کد 106449 مرک آلمان
لطفا پس از پایان اعتبار قیمت با تلفن 88920648 تماس حاصل فرمائید
جهت دریافت کاتالوگ لطفا روی عکس کلیک کنید
Product information | |||
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Grade | ACS,ISO,Reag. Ph Eur | ||
Hill Formula | FNa | ||
Chemical formula | NaF | ||
HS Code | 2826 19 10 | ||
EC number | 231-667-8 | ||
Molar mass | 41.98 g/mol | ||
EC index number | 009-004-00-7 | ||
CAS number | 7681-49-4 |
Chemical and physical data | |||
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Solubility | 42 g/l (20 °C) | ||
Melting point | 993 °C | ||
Molar mass | 41.98 g/mol | ||
Density | 2.8 g/cm3 (20 °C) | ||
Bulk density | 800 kg/m3 | ||
pH value | 10.2 (40 g/l, H2O, 20 °C) | ||
Boiling point | 1704 °C | ||
Vapor pressure | 1 hPa (1077 °C) |
Safety information according to GHS | |||
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Hazard Statement(s) |
H301: Toxic if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. EUH032: Contact with acids liberates very toxic gas. |
||
Precautionary Statement(s) |
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for
several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. |
||
Signal Word | Danger | ||
Hazard Pictogram(s) |
|
||
RTECS | WB0350000 | ||
Storage class | 6.1B Non combustible substances, toxic | ||
WGK | WGK 1 slightly water endangering |
Safety information | |||
---|---|---|---|
R Phrase |
R 25-32-36/38 Toxic if swallowed.Contact with acids liberates very toxic gas.Irritating to eyes and skin. |
||
S Phrase |
S 22-36-45 Do not breathe dust.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
||
Categories of danger | toxic, irritant | ||
Hazard Symbol |
|
Transport information | |||
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Declaration (railroad and road) ADR, RID | UN 1690 Natriumfluorid, fest, 6.1, III | ||
Declaration (transport by sea) IMDG-Code | UN 1690 SODIUM FLUORIDE, SOLID, 6.1, III | ||
Declaration (transport by air) IATA-DGR | UN 1690 SODIUM FLUORIDE, SOLID, 6.1, III |
Toxicological data | |||
---|---|---|---|
LD 50 oral | LD50 rat 31 mg/kg |
Specifications | |
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Assay (precipitative titration) | ≥ 99.5 % |
In water insoluble matter | ≤ 0.01 % |
Free alkali (as NaOH) | ≤ 0.04 % |
Free acid (as hydrofloric acid) | ≤ 0.05 % |
Chloride (Cl) | ≤ 0.003 % |
Hexafluorosilicate (SiF6) | ≤ 0.1 % |
Sulphate (SO4) | ≤ 0.01 % |
Sulfite (SO3) | ≤ 0.005 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Ca (Calcium) | ≤ 0.004 % |
Cu (Copper) | ≤ 0.0002 % |
Fe (Iron) | ≤ 0.002 % |
K (Potassium) | ≤ 0.02 % |
Loss on drying (150 °C, 4 h) | ≤ 0.2 % |