Agent Name

Beryllium carbide

CAS Number

506-66-1

Formula

C-Be2

Major Category

Metals

Synonyms

Beryllium acetylide; Beryllium carbide (Be2C); [ChemIDplus] UN1566

Category

Beryllium Compounds, Inorganic

Description

Brick-red or yellow-red solid; [Merck Index] Yellow odorless powder; [MSDSonline]

Sources/Uses

Used in nuclear reactor cores; [Merck Index]

Comments

Hydrolyzes at room temperature into beryllium oxide and methane; [Ullmann] Produces flammable gases on contact with water; An irritant; May cause skin sensitization; Repeated or prolonged exposure may cause chronic beryllium disease; [MSDSonline] See "CARBIDES." See "Beryllium" for one additional linked occupational disease.

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

5.0E-5 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 compound, n.o.s."

Adverse Effects
Fibrogenic

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: