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MERCK

MERCK 806373.0100 Sodium Borohydride Fine Granular for Synthesis CAS No.16940-66-2 (SD.M.806373.0100)

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MERCK 806373.0100 Sodium Borohydride Fine Granular for Synthesis CAS No.16940-66-2

 

 

Description
Catalogue Number 806373
Synonyms Sodium tetrahydridoborate
Product Information
CAS number 16940-66-2
EC number 241-004-4
Hill Formula H₄BNa
Chemical formula NaBH₄
Molar Mass 37.83 g/mol
HS Code 2850 00 90
Quality Level MQ200
Applications
Application Sodium borohydride fine granular for synthesis. CAS No. 16940-66-2, EC Number 241-004-4.
Physicochemical Information
Boiling point 500 °C (decomposition)
Density 1.07 g/cm3 (20 °C)
Explosion limit 3.02 %(V)
Flash point 69 °C not applicable
Ignition temperature 220 °C
Melting Point >360 °C (slow decomposition)
pH value 11 (10 g/l, H₂O, 20 °C)
Vapor pressure <1 hPa (25 °C)
Bulk density 350 - 500 kg/m3
Toxicological Information
LD 50 oral LD50 Rat 160 mg/kg
LD 50 dermal LD50 Rabbit 230 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H260: In contact with water releases flammable gases which may ignite spontaneously.
H301: Toxic if swallowed.
H314: Causes severe skin burns and eye damage.
H360FD: May damage fertility. May damage the unborn child.
EUH014: Reacts violently with water.
Precautionary Statement(s) P231 + P232: Handle and store contents under inert gas. Protect from moisture.
P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
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
RTECS ED3325000
Storage class 4.3 Hazardous materials, which set free flammable gases upon contact with water
WGK WGK 2 obviously hazardous to water
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
Categories of danger highly flammable, toxic, corrosive
Storage and Shipping Information
Storage Store below +30°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 1426 , 4.3, I
Declaration (transport by air) IATA-DGR UN 1426 , 4.3, I
Declaration (transport by sea) IMDG-Code UN 1426 , 4.3, I
Specifications
Color according to Munsell color system not more intensely colored than reference standard NE12
Assay (hypochlorite) ≥ 98.0 %
Identity (ICP-OES) passes test
Global Trade Item Number
Catalogue Number GTIN
8063730010 04027269275990
8063730025 04022536776262
8063730100 04022536390673
8063730500 04022536564265
Etiketler
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