مشخصات فنی
| boron oxide hydroxide, orthoboric acid | Synonym |
|---|---|
|
10043-35-3
|
CAS-No
|
|
233-139-2
|
EC-No
|
|
H3BO3
|
Linear Formula
|
|
White crystal or crystalline powder
|
Appearance
|
|
46.5 g/l (20ºC)
|
Solub. in H2O
|
|
3.7 (46.5 g/l, H2O, 20ºC)
|
pH value
|
|
61.83 g/mol
|
Molecular Weight
|
|
185ºC (decomposition)
|
Melting point
|
|
|
Boiling point
|
|
2.7 hPa (20 ºC)
|
Vapour pressure
|
|
1.51 g/cm3
|
Spec. density
|
|
400-600 Kg/m3
|
Bulk. Density
|
|
2810-00-90
|
HS-No
|
|
Reproductive toxicity, Danger, H360FD, P201, P308 + P313 LGK 6.1B
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
≥99.5%
|
Assay
|
|
<5ppm
|
Arsenic
|
|
<0.005%
|
Calcium (Ca)
|
|
<0.002%
|
Iron (Fe)
|
|
<0.002%
|
Lead (Pb)
|
|
<0.001%
|
Chloride (Cl)
|
|
<0.005%
|
Sulfate (SO4)
|
