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Specifications

Catalog #	T8650
Purity	99%
	Appearance: White, crystalline powder
	pH (1.0M, H2O): 3.5-5.0
	pKa (20°C:) 8.3 ± 0.15
	Absorbance (260nm): 0.01
	Absorbance (280nm): 0.01
	Solubility (1M, H2O): Colorless, clear, complete
	Loss on Drying: 0.3%
	Residue on Ignition: 0.1%
	Melting Point: 150-154°C
	Heavy Metals (Pb): 0.0005%
	RNase: None Detected
	DNase: None Detected
	Protease: None Detected
CAS Number	1185-53-1
Molecular Formula	C4H11NO3•HCl
Molecular Weight	157.60
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	Tris(hydroxymethyl)aminomethane?HCl;?2-Amino-2-(hydroxymethyl)-1,3-propanediol HCl; Tromethamine HCl