Beryllium hydroxide
Agent Name
Beryllium hydroxide
CAS Number
13327-32-7
Formula
Be.H2-O2
Major Category
Metals
Synonyms
Beryllium dihydroxide; Beryllium hydrate; Beryllium hydroxide (Be(OH)2); [ChemIDplus] UN1566
Category
Beryllium Compounds, Inorganic
Description
White solid; Insoluble in water; [Hawley] White powder; [MSDSonline] Very slightly soluble in water; [ACGIH]
Sources/Uses
Used to make beryllium and beryllium oxide; [Merck Index] Used as the feedstock in the production of beryllium metal, oxides, and alloys; Exposure to BeH2O2 may occur during extraction of beryllium from ores; [ACGIH]
Comments
May cause severe damage to eyes; May cause beryllium sensitization; [MSDSonline] See "Beryllium" for one additional linked occupational disease.
Biomedical References
Exposure Assessment
Skin Designation (ACGIH)
Yes
TLV (ACGIH)
5E-05 mg/m3, as Be, inhalable fraction
PEL (OSHA)
0.002 mg/m3, as Be, Ceiling(OSHA) = 0.005 mg/m3, as Be(0.025 mg/m3,as Be,for 30 min.peak per 8-hr shift)
IDLH (NIOSH)
4 mg/m3, as Be
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Beryllium compounds, n.o.s."
Adverse Effects
Fibrogenic
Yes
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: