MDL：
MFCD00012590

Molecular Formula：
C4H12CINO3；NH2C(CH2OH)3·HCl

Molecular Weight：
157.60

Alias：
三-(羥甲基)氨基甲烷鹽酸 TRIS HCl TRIS hydrochloride Tris(hydroxymethyl)aminomethane hydrochloride

Product order：

Name	Specifications	Packing	Price	Delivery
Tris(hydroxymethyl)aminomethane hydrochloride	高純級,>99.5% (滴定)	100g	RMB 264	現(xiàn)貨
Tris(hydroxymethyl)aminomethane hydrochloride	高純級,>99.5% (滴定)	500g	RMB 1122	現(xiàn)貨
Tris(hydroxymethyl)aminomethane hydrochloride	用于分子生物學和細胞培養(yǎng)，≥99.0% (AT)	500g	RMB 1485	Consulting service
Tris(hydroxymethyl)aminomethane hydrochloride	用于分子生物學和細胞培養(yǎng)，≥99.0% (AT)	100g	RMB 616	Consulting service
Tris(hydroxymethyl)aminomethane hydrochloride	超純級	500g	RMB 968	Consulting service
Tris(hydroxymethyl)aminomethane hydrochloride	超純級	100g	RMB 220	Consulting service
Tris(hydroxymethyl)aminomethane hydrochloride	超純級	25g	RMB 88	現(xiàn)貨
Tris(hydroxymethyl)aminomethane hydrochloride	99%	500g	RMB 418	Consulting service
Tris(hydroxymethyl)aminomethane hydrochloride	99%	100g	RMB 88	Consulting service

Character：
溶于水
熔點：150-152°C
pKa (25 °C) 8.1 

Quality Standard：
項目                                 生化試劑級
                                        BC
純度assay                             ≥99%(T)
水分Moistrue                          ≤0.5%
重金屬Heavy Metals                    <5PPM
pH(1% in H2O)                         4.7-6.0

項目                                  超純級
純度assay                             ≥99.0%(T)
水分Moistrue                          ≤0.5%
鐵Iron(Fe)                            <5PPM
氯Chloride                            ≤0.005%
硫酸根Sulfate                         ≤0.005%
重金屬Heavy Metals （as Pb)           <5PPM
灼燒殘渣Residue On Ignition           ≤0.1%
A260(1M,water):                       ≤0.025
A280(1M,water):                       ≤0.020

品級Grade                               分子生物學級  
                                  (grade for molecular biology)
含量assay                             ≥99.0% (AT)
DNA酶DNases,                          none detected
RNA酶RNases,                          none detected
不溶物insoluble matter,               passes filter test
磷酸酶phosphatases,                   none detected
蛋白酶proteases,                      none detected
細胞培養(yǎng)測試cell culture test         Pass
灼燒殘渣ign. residue                  ≤0.2% (as SO4)
干燥損失loss on drying                ≤0.2% , 110 °C
pH                                    2.5-4.0 (25 °C, 4 M in H2O)
useful pH range                       7.0 - 9.0
pKa (25 °C)                          8.1
水溶性solubility H2O:                 soluble4 M at 20 °C, clear, colorless
硫酸根sulfate (SO42-):                ≤50 ppm
  Al:                                 ≤5 ppm
  As:                                 ≤0.1 ppm
  Ba:                                 ≤5 ppm
  Bi:                                 ≤5 ppm
  Ca:                                 ≤10 ppm
  Cd:                                 ≤5 ppm
  Co:                                 ≤5 ppm
  Cr:                                 ≤5 ppm
  Cu:                                 ≤5 ppm
  Fe:                                 ≤5 ppm
  K:                                 ≤50 ppm
  Li:                                 ≤5 ppm
  Mg:                                 ≤5 ppm
  Mn:                                 ≤5 ppm
  Mo:                                 ≤5 ppm
  Na:                                 ≤50 ppm
  Ni:                                 ≤5 ppm
  Pb:                                 ≤5 ppm
  Sr:                                 ≤5 ppm
  Zn:                                 ≤5 ppm
λ 4 M in H2O
UV absorption
290nm A                              ≤0.05 AT (40% W/W)
260nm A                              ≤0.06 AT (1M IN WATER)
280nm A                              ≤0.06 AT (1M IN WATER 

Storage：
室溫保存
用途  所有緩沖液的pH值依賴于溫度和濃度。對于Tris 緩沖液,溫度每增加1°C pH增加大約 0.03 單位, 每10倍的稀釋pH減少0.03-0.05 單位。