7440-41-7|BerylliumProducts Supply - Chemical intermediates Network

Beryllium cas no:7440-41-7

Synonyms: Berylliumatom; Beryllium element; Beryllium-9; Glucinium

Identification

NameBeryllium
CAS7440-41-7
SynonymsBerylliumatom; Beryllium element; Beryllium-9; Glucinium
EINECS(EC#)231-150-7
Molecular FormulaBe
Molecular Weight9.012182

Chemical Properties

AppearanceGREY TO WHITE POWDER

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass8

Safety Data

Hazard A carcinogen (OSHA). Very high toxicity, especially by inhalation of dust. TLV: 0.002 mg/m3.
Risk R49
Safety

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. A deadly poison by intravenous route. Human systemic effects by inhalation: lung fibrosis, dyspnea, and weight loss. Human mutation data reported. See also BERYLLIUM COMPOUNDS. A moderate fire hazard in the form of dust or powder, or when exposed to flame or by spontaneous chemical reaction. Slight explosion hazard in the form of powder or dust. Incompatible with halocarbons. Reacts incandescently with fluorine or chlorine. Mixtures of the powder with CCl₄ or trichloroethylene will flash or spark on impact. When heated to decomposition in air it emits very toxic fumes of BeO. Reacts with Li and P.
Hazard Codes of Beryllium (CAS NO.7440-41-7): Toxic T, Very T+
Risk Statements:
R20: Harmful by inhalation.
R23: Toxic by inhalation.
R25: Toxic if swallowed.
R26: Very toxic by inhalation.
R36/37/38: Irritating to eyes, respiratory system and skin.
R43: May cause sensitization by skin contact.
R49: May cause cancer by inhalation.
Safety Statements:
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S53: Avoid exposure - obtain special instructions before use.

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	intratracheal	51mg/kg (51mg/kg)		"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 23, 1999.
rat	LD50	intravenous	496ug/kg (0.496mg/kg)	LIVER: "HEPATITIS (HEPATOCELLULAR NECROSIS), ZONAL"	Laboratory Investigation. Vol. 15, Pg. 176, 1966.

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Beryllium cas no:7440-41-7

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