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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 | |||
|---|---|---|---|
| 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 | |||
|---|---|---|---|
| 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 | |||
|---|---|---|---|
| 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 | |||
|---|---|---|---|
| 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 | |
|---|---|
| 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 % |
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