Agent Name

Beryllium oxyfluoride

CAS Number

63990-88-5

Formula

Be-F2-O2

Major Category

Metals

Category

Beryllium Compounds, Inorganic

Comments

May cause irritation; May be harmful if swallowed; [MSDSonline] See "Beryllium" for one additional linked occupational disease.

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)

5.0E-5 mg/m3, as Be, inhalable fraction (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

1 mg/m3, inhalable fraction, as F

IDLH (NIOSH)

4 mg/m3, as Be

Adverse Effects
Fibrogenic

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: