≥1 Kilograms
$12.50
Product Name:Tris(hydroxymethyl)aminomethane |
Specification: GR | |||
Item | Qualification | Item | Qualification |
Assay,% | ≥99.8 | Evaporating leavings,% | ≤0.05 |
pH(50g/L,25 centigrade) | 10.0~11.5 | Chloride(Cl),% | ≤0.05 |
Melting point, centigrade | 168.0~172.0 | Sulfate(SO4),% | ≤0.003 |
Insoluble in water,% | ≤0.001 | Iron (Fe),% | ≤0.0005 |
Loss on drying,% | ≤0.2 | Heavy metals (Pb),% | ≤0.0005 |
Specification: AR | |||
Item | Qualification | Item | Qualification |
Assay,% | ≥99.5 | Evaporating leavings,% | ≤0.1 |
pH(50g/L,25 centigrade) | 10.0~11.5 | Chloride(Cl),% | ≤0.1 |
Melting point, centigrade | 168.0~172.0 | Sulfate (SO4),% | ≤0.01 |
Solubility in water | Pass | Heavy metals (as Pb),% | ≤0.001 |
Packing specification:100g | |||
Specification: BR | |||
Item | Qualification | Item | Qualification |
Assay,% | ≥99.0 | Evaporating leavings,% | ≤0.1 |
Melting point, centigrade | 168.0~172.0 | Sulfate (SO4),% | ≤0.02 |
Solubility in water | Pass | Heavy metals (as Pb),% | ≤0.002 |
Packing specification:100g | |||
Used as pharmaceutical intermediates, Chemical intermediates, organic synthesize intermediates,biological buffer
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals
and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system
all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
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