Guanidinium Bromide (GABr), >=99.5%

Cat No:BMSPEM-0090

Description

Guanidinium bromide (GABr) is a planar, hydrogen-bond-rich organic cation salt that has become a key additive cation in halide perovskite photovoltaics. Organic-halide perovskite solar cells rely on precursors such as GABr to build mixed-cation or mixed-halide absorbers in which the guanidinium cation tunes bandgap, carrier diffusion length and power conversion efficiency. Supplied at >=99.5% purity after four purification passes, the salt melts at 191 C and dissolves readily in water and ethanol.

Datasheet

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Basic Information

Chemical Formula	CH5N3.HBr
Molecular Weight	139.98
Storage Conditions	Protect from light; store at room temperature under argon
Purity	>=99.5% (4 Times Purification)
Primary Application	Precursor for mixed-cation halide perovskite solar cells, used to tune bandgap, carrier diffusion length and power conversion efficiency
EC Number	242-909-7
English Synonyms	GABr; guanidine hydrobromide; guanidine monohydrobromide; guanidine bromide; aminoformamidine hydrobromide
Specification	>=99.5% (4 Times Purification)
Molecular Type	Small molecule
Solubility	Soluble in water, EtOH et al
Melting Point	191 C
Sensitivity	Moisture-sensitive; air-sensitive; light-sensitive
IUPAC Name	guanidine;hydrobromide
InChI	1S/CH5N3.BrH/c2-1(3)4;/h(H5,2,3,4);1H
InChI Key	VQNVZLDDLJBKNS-UHFFFAOYSA-N
SMILES	C(=N)(N)N.Br
Reaxys RN	3907837
GHS Pictograms	GHS07
Signal Word	Warning
Hazard Statements	H302: Harmful if swallowed; H315: Causes skin irritation; H319: Causes serious eye irritation; H332: Harmful if inhaled
Precautionary Statements	P261: Avoid breathing dust/fume/gas/mist/vapors/spray; P321: Specific treatment (see on this label); P330: Rinse mouth; P302+P352: IF ON SKIN: Wash with plenty of water; P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing; P301+P317: IF SWALLOWED: Get medical help
Shipping Conditions	Regular shipping
Available Package Sizes	250 mg, 1 g
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	1
Topological Polar Surface Area	75.900 A^2
Heavy Atom Count	5
Complexity	26.300
Total Stereochemical Bond Count	2

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