中文名稱:	雙（2-羥乙基）氨基（三羥甲基）甲烷
中文同義詞:	雙（2-羥乙基）氨基（三羥甲基）甲烷;2,2-雙二羥甲基苯胺;雙（2-羥乙基）-三羥甲基氨基甲烷;二（２-羥乙基）亞氨基三（羥甲基）甲烷;雙（2-羥甲基）氨基-三（羥甲基）甲烷;N,N'-二羥基乙基-亞氨基-三羥基甲基氨基甲烷（BIS-TRIS）;雙-羥乙基三羥甲基甲胺;雙（2-羥乙基）胺三（羥甲基）甲烷
英文名稱:	2,2-Bis（hydroxymethyl）-2,2',2''-nitrilotriethanol
英文同義詞:	BIS（2-HYDROXYETHYL）IMINOTRIS（HYDROXYMETHYL）METHANE;BIS（2-HYDROXYETHYL）IMINO-TRIS（HYDROXYMETHYL）PROPANE;BIS（2-HYDROXYETHYL）AMINO-TRIS（HYDROXYMETHYL）METHANE;BIS（HYDROXYETHYL）IMINO-TRIS-（HYDROXYMETHYL）-METHANE;''BIS-TRIS'';BIS-TRIS;BIS-TRIS BUFFER;2,2-BIS（HYDROXYMETHYL）-2,2',2''-NITRILOETHANOL
CAS號:	6976-37-0
分子式:	C8H19NO5
分子量:	209.24
EINECS號:	230-237-7
相關類別:	生物緩沖劑;API intermediates;Buffer
Mol文件:	6976-37-0.mol

Description

Other Notes	Effective buffer for the assay of creatine kinase¹; Effectively protects hemoglobin during freeze-drying²; Catholyte in IEF of 2-D gel electrophoresis³.
	Easily compare specifications for BIS-TRIS products with the BIS-TRIS specification table.

Properties

product line	BioUltra
assay	≥99.0% （NT）
total impurities	insoluble matter, passes filter test
ign. residue	≤0.3%
loss	≤0.5% loss on drying, 20 °C （HV）
pH	9.5-11.0 （25 °C, 1 M in H₂O）
useful pH range	5.8 - 7.2
pKa （25 °C）	6.5
solubility	H₂O: soluble1 M at 20 °C, clear, colorless
anion traces	chloride （Cl^-）: ≤50 mg/kg
	sulfate （SO₄^2-）: ≤50 mg/kg
cation traces	Al: ≤5 mg/kg
	As: ≤0.1 mg/kg
	Ba: ≤5 mg/kg
	Bi: ≤5 mg/kg
	Ca: ≤10 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	K: ≤50 mg/kg
	Li: ≤5 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Mo: ≤5 mg/kg
	Na: ≤50 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Sr: ≤5 mg/kg
	Zn: ≤5 mg/kg
abs.	absorption1M/270 nm, H₂O cut-off
λ	1 M in H₂O
UV absorption	λ: 280 nm A_max: 0.15

Symbol	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 （US）, Eyeshields, Gloves
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3