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सोडियम बोरोहाइड्राइड
उत्पाद विवरण:
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उत्पाद वर्णन
LC5355 Sodium borohydrideGR for analysis
| Order number | Packaging | Quantity | Price |
| AC32355 | Glass bottle | 100 g | 126.00 |
| Product information | |
| Synonyms | Sodium tetrahydridoborate |
| Hill Formula | H4BNa |
| Chemical formula | NaBH4 |
| HS Code | 2850 00 20 |
| EC number | 241-004-4 |
| Molar mass | 37.83 g/mol |
| CAS number | 16940-66-2 |
| Chemical and physical data | |
| Ignition temperature | 220 °C |
| Solubility | 550 g/l (25 °C) (slow decomposition) |
| Melting point | ca.400 °C (slow decomposition) |
| Molar mass | 37.83 g/mol |
| Density | 1.07 g/cm3 (20 °C) |
| Bulk density | 350 - 500 kg/m3 |
| pH value | 11 (10 g/l, H2O, 20 °C) |
| Boiling point | ca.500 °C (decomposition) |
| Explosion limit | 3.02 %(V) |
| Safety information according to GHS | |
| Hazard Statement(s) | H260: In contact with water releases flammable gases which may ignite spontaneously. H301 + H311: Toxic if swallowed or in contact with skin. H314: Causes severe skin burns and eye damage. |
| Precautionary Statement(s) | P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P402 + P404: Store in a dry place. Store in a closed container. |
| Signal Word | Danger |
| Hazard Pictogram(s) |    |
| RTECS | ED3325000 |
| Storage class | Materials that form flammble gases in contact with water |
| WGK | WGK 2 water endangering |
| Disposal | 26 Alkali and alkaline-earth metals should be taken up in an inert solvent and neutralized by adding 2-propanol (Cat. No. 100995) dropwise with stirring. Should the reaction be more violent than expected, conversion should be carried out with tert-butanol or octanol. Caution: This reaction produces hydrogen, which can form explosive mixtures; take necessary precautions. When the reaction has ceased, add water dropwise; neutralize; container D. In the case of alkali or alkaline-earth borohydrides, add methanol (Cat. No. 106008) with stirring; in the case of alkali or alkaline-earth amides and hydrides, organoaluminium and organotin hydrides, add 2-propanol (Cat. No. 100995) dropwise. The substances, which are usually in solid form, should be previously suspended in an ether! When the respective reaction has ceased, hydrolize with water; then neutralize. Container D or E. Lithium aluminium hydride must also be destroyed by slurrying in an ether. Under an inert gas and with thorough stirring, add dropwise a 1:4 mixture of ethyl acetate (Cat. No. 822277) and the ether used to prepare the slurry. Always ensure thorough mixing (stirring)! Container A. |
| Safety information | |
| R Phrase | R 15-24/25-35 Contact with water liberates extremely flammable gases.Toxic in contact with skin and if swallowed.Causes severe burns. |
| S Phrase | S 14-26-36/37/39-43-45 Keep away from oxidizing and acidic substances as well as heavy-metal compounds.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of fire, use sand. Never use water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| श्रेणियाँ of danger | highly flammable, toxic, corrosive |
| Hazard Symbol |
|
Flammable
Very toxic
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 1426 SODIUM BOROHYDRIDE, 4.3, I |
| Declaration (transport by air) IATA-DGR | UN 1426 SODIUM BOROHYDRIDE, 4.3, I |
| Toxicological data | |
| LD 50 oral | LD50 rat 160 mg/kg |
| LD 50 dermal | LD50 rabbit 230 mg/kg |
| Specifications | |
| Assay (oxidimetric) | ≥ 96.0 % |
| Identity | passes test |
| Chloride (Cl) | ≤ 0.5 % |
| Sulphate (SO4) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.005 % |
| As (Arsenic) | ≤ 0.001 % |
| Bi (Bismuth) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.005 % |
| Hg (Mercury) | ≤ 0.00001 % |
| Sb (Antimony) | ≤ 0.005 % |
| Se (Selenium) | ≤ 0.0002 % |
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