Tris(hydroxymethyl)aminoethane
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Molecular Formula: C4H11NO3
CAS NO.: 77-86-1
HS Code：2922199090
UN No. ： 1500
Property: White crystal, melting point: 168-171 ℃, soluble in organic solvents such as methanol and acetic acid.
Usage: Biological buffer, organic synthesis intermediate, cosmetic raw materials, pharmaceutical excipients, etc
Level: Pharmaceutical grade, cosmetic grade, reagent grade, industrial grade
Packaging: cardboard barrels lined with plastic bags, with a net weight of 25 kilograms per barrel.
| Tests | Specifications | Results | |
| Appearance | White crystalline powder | Conforms | |
| Assay | ≧99.5% | 99.95 | |
| MP,℃ | 168-171 | 168.3-170.3 | |
| Solubility（40%aq.） | Clear,coloriess solution | Conforms | |
| Heavy Metala | ≤5PPM | Conforms | |
| Water Content% | ≤0.2% | 0.16 | |
| PH value（5%aq.） | 10.0-11.5 | 11.01 | |
| Iron ion | ≤1PPM | Conforms | |
| （SO?²¯）Sulfate | ≤ 10PPM | Conforms | |
| （CL¯）Chloride | ≤ 3PPM | Conforms | |
| Infrared spectrum | Confirm to reference | Conforms | |
| Ultraviolet absorbance | 260nm(20%aq.) | ≤0.07 | 0.035 |
| 280nm(40%aq.) | ≤0.07 | 0.055 | |
| 400nm(40%aq) | ≤0.02 | 0.012 | |
| 290nm(40%aq) | ≤0.05 | 0.049 | |
| Conclusion | It meets the requirements of specifications | ||
CAS NO:77-86-1
EC NO:201-064-4
Molecular Formula:C4H11NO3
Molecular Weight:121.14
Synonyms:;2-Amino-2-hydroxymethyl-1,3-propanediol;TRIS;Tromethamine;Tromethane;tris(hydroxyme.)aminomethane;trizma base;Trometamol;tri(hydroxymethyl)methylamine;Tris(hydroxymethyl) methylamine Tris buffer 99.8+ %;Trihydroxymethyl Aminomethane;Tris, Ultra Pure;Tris, Tissue Culture Tested Tris(hydroxymethyl)aminomethane, Tissue Culture Tested;Tris, Alcohol Free Tris(hydroxymethyl)aminomethane, Alcohol Free;Tris(hydroxymethyl)aminomethane, Ultra Pure, Molecular Biology Grade;Tris EDTA acetate buffer;THAM;Trimethanolaminomethane;Tri(hydroxymethyl)aminomethane;Tris(hydroxymethyl)aminomethane;2-Amino-2-(hydroxymethyl)-1,3-propanediol;Tris hydroxyl methyl amino methane;2-amino-2-(hydroxymethyl)propane-1,3-diol;1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium;(methylamino)methanetriol;Tris(hydroxymethyl) aminomethane;Tris(hydroxymethyl)amino methane;Tris Base;
Molecular Structure:
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