MilliporeSigma
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8.06373

Sigma-Aldrich

Sodium borohydride

fine granular for synthesis

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

Quality Level

vapor pressure

<1 hPa ( 25 °C)

form

solid

autoignition temp.

220 °C

potency

160 mg/kg LD50, oral (Rat)
230 mg/kg LD50, skin (Rabbit)

expl. lim.

3.02 % (v/v)

reaction suitability

reagent type: reductant

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.

2-30°C

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Analysis Note

Assay (hypochlorite): ≥ 98.0 %
Identity (ICP-OES): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react. 1

Supplementary Hazards

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

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