Tris(hydroxymethyl)aminoethane

• Post Date:

  Oct 27,2025

• Expiry Date:

  Apr 25,2026

• Detailed Description:

  Cas No. :77-86-1

  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
  （SO₄²¯）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 Registry Number:

  77-86-1

• 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 Formula:

  C₄H₁₁NO₃

• Molecular Weight:

  121.14

• Molecular Structure:

  

• Hazard Symbols:

   Xi:Irritant;
  

• Risk Codes:

  R36/37/38:;
  

• Safety Description:

  S26:;
  S37/39:;
  

• Company:

  Shandong Weigorge Import and Export Co., Ltd.     [ China ]          

• Contact:

  Lisa

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