Beryllate(2-),tetrafluoro-, ammonium (1:2), (T-4)- cas no:14874-86-3

NameBeryllate(2-),tetrafluoro-, ammonium (1:2), (T-4)-
CAS14874-86-3
SynonymsAmmoniumtetrafluoroberyllate (6CI); Beryllate(2-), tetrafluoro-, diammonium (8CI);Beryllate(2-), tetrafluoro-, diammonium, (T-4)- (9CI); Ammonium berylliumfluoride ((NH4)2BeF4); Ammonium beryllium fluoride ((NH4)2BeFe4); Ammoniumfluoroberyllate; Ammonium tetrafluoroberyllate ((NH4)2BeF4); Ammoniumtetrafluoroberyllate(II); Diammonium tetrafluoroberyllate; Diammoniumtetrafluoroberyllate(2-); Diammoniumberylliumtetrafluoride
EINECS(EC#)238-948-4
Molecular FormulaBeF4 . 2 H4 N
Molecular Weight121.11

Hazard A poison by ingestion and inhalation.
Safety

A poison by ingestion, inhalation, and intraperitoneal routes. When heated to decomposition it emits toxic vapors of NH₄⁻, Be, and F⁻.

1.		orl-rat LD50:100 mg/kg		STGNBT    Spravochnik po Toksikologii i Gigienicheskim Normativam (PDK) Potentsial’no Opasnykh Khimicheskikh Veshchestv Kushneva, V.S., andR.B. Gorshkova, eds. 46, Zhivopisnaya St., 123182,Moscow, Russia.: Izdat1999,18.
2.		ihl-rat LC50:213 mg/m3		STGNBT    Spravochnik po Toksikologii i Gigienicheskim Normativam (PDK) Potentsial’no Opasnykh Khimicheskikh Veshchestv Kushneva, V.S., andR.B. Gorshkova, eds. 46, Zhivopisnaya St., 123182,Moscow, Russia.: Izdat1999,18.
3.		ipr-rat LD50:5 mg/kg		STGNBT    Spravochnik po Toksikologii i Gigienicheskim Normativam (PDK) Potentsial’no Opasnykh Khimicheskikh Veshchestv Kushneva, V.S., andR.B. Gorshkova, eds. 46, Zhivopisnaya St., 123182,Moscow, Russia.: Izdat1999,18.
4.		ihl-mus LC50:267 mg/m3		STGNBT    Spravochnik po Toksikologii i Gigienicheskim Normativam (PDK) Potentsial’no Opasnykh Khimicheskikh Veshchestv Kushneva, V.S., andR.B. Gorshkova, eds. 46, Zhivopisnaya St., 123182,Moscow, Russia.: Izdat1999,18.