Substance profile

tert-Butylarsine

tert-Butylarsine is a chemical substance with the molecular formula C4H9As.

CAS 4262-43-5 C4H9As 132.04 g/mol Danger

01 · Identification

What tert-Butylarsine is

tert-Butylarsine is a chemical substance with the molecular formula C4H9As. Its molecular formula is C4H9As and its molecular weight is 132.04 g/mol.

Under the GHS it carries the signal word Danger.

CAS number4262-43-5

EC number423-320-6

Index number033-007-00-2

Molecular formulaC4H9As

Molecular weight132.04 g/mol

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Flame

Skull and crossbones

Signal wordDanger

Hazard statements assigned to tert-Butylarsine
Code	Hazard statement
H250	Catches fire spontaneously if exposed to air.
H330	Fatal if inhaled.

Precautionary statements: P260, P271, P304, P310

03 · Physical and chemical properties

tert-Butylarsine properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property	Value	Conditions	Source
Vapor pressure	125 mmHg		Haz-Map

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

Work with tert-Butylarsine

ATE mixture calculator Calculate acute toxicity estimate for a mixture containing this substance. Storage compatibility What this substance must not be stored next to. Label constructor Build a compliant GHS label with these pictograms and statements.