Tris(hydroxymethyl)aminomethane 77-86-1 (China Manufacturer) - Other Chemicals - Chemicals Products

Tris(hydroxymethyl)aminomethane 77-86-1

Model:	77-86-1
Brand:	Tris(hydroxymethyl)aminomethane
Origin:	Made In China
Category:	Chemicals / Other Chemicals
Label:	77-86-1
Price:	US $125 / KG
Min. Order:	1 KG

Items	Standard	Result
Appearance	White crystalline powder	Conforms
Content	≥99.5%	99.6%
Melting point	168.0～171.0℃	168.5～169.9℃
Solubility(40% aq.)	Clear ,colorless solution	Conforms
Heavy metals	≤5ppm	2ppm
Water content	≤0.2%	0.12%
PH value(5% aq.)	10.0～11.5	10.8
Iron ion	≤1ppm	1ppm
Sulfate	≤10ppm	5ppm
Chloride	≤3ppm	3ppm
Ultraviolet absorbance (280nm,40%aq.)	≤0.07	0.035
Ultraviolet absorbance (400nm,40%aq.)	≤0.02	0.003
Infrared spectrum	Conforms to reference	Conforms
Conclusion: Qualified