1.06371

Sodium borohydride

for analysis

• Synonym(s): Sodium borohydride, Sodium tetrahydridoborate
• Empirical Formula (Hill Notation): H₄BNa
• CAS Number: 16940-66-2
• Molecular Weight: 37.83
• MDL number: MFCD00003518
• EC Index Number: 241-004-4

Properties

• Quality Level: 100
• grade: for inorganic trace analysis
• vapor pressure: <1 hPa ( 25 °C)
• autoignition temp.: 220 °C
• potency: 160 mg/kg LD₅₀, oral (Rat); 230 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 3.02 % (v/v)
• pH: 11 (20 °C, 10 g/L in H₂O)
• bp: 500 °C (decomposition)
• mp: >360 °C (slow decomposition)
• transition temp: flash point 69 °C
• density: 1.07 g/cm³ at 20 °C
• bulk density: 350‑500 kg/m³
• storage temp.: no temp limit

Description

Analysis Note

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 %

Safety Information

• Pictograms: GHS02,GHS05,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H260 - H301 - H314 - H360FD
• Precautionary Statements: P231 + P232 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react. 1
• Supplementary Hazards: EUH014
• Storage Class Code: 4.3 - Hazardous materials, which set free flammable gases upon contact with water
• WGK: WGK 2
• Flash Point(F): 156.2 °F
• Flash Point(C): 69 °C