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Tris(hydroxymethyl)aminomethane hydrochloride

Molecular Structure:
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。
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