Beryllium sodium fluoride
Agent Name
Beryllium sodium fluoride
CAS Number
13871-27-7
Formula
Be-F4.2Na
Major Category
Metals
Synonyms
Disodium tetrafluoroberyllate; [ChemIDplus] Sodium tetrafluoroberyllate; [Merck Index]
Category
Beryllium Compounds, Inorganic
Description
Solid; Soluble in water; [Merck Index]
Comments
See "Beryllium" and linked occupational diseases.
Biomedical References
Exposure Assessment
BEI
Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)
Skin Designation (ACGIH)
Yes
TLV (ACGIH)
5E-05 mg/m3, as Be, Inhalable particulate matter (2.5 mg/m3, as F)
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) [2.5 mg/m3, as F]
MAK
, inhalable fraction, as F
IDLH (NIOSH)
4 mg/m3, as Be
Adverse Effects
Toxic Pneumonitis
Yes
Fibrogenic
Yes
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: