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Merck
CN

71636

磷酸钠 二元

BioUltra, Molecular Biology, ≥99.5% (T)

别名:

磷酸二钠, 磷酸二钠, 磷酸氢二钠, 磷酸氢钠

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关于此项目

线性分子式:
Na2HPO4
化学文摘社编号:
分子量:
141.96
PubChem Substance ID:
eCl@ss:
38070211
UNSPSC Code:
12161700
NACRES:
NA.25
EC Number:
231-448-7
MDL number:
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grade

Molecular Biology

Quality Level

product line

BioUltra

assay

≥99.5% (T)

form

coarse powder, fine crystals, powder

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)

loss

≤0.1% loss on drying, 110 °C

pH

8.8-9.4 (25 °C, 0.5 M in H2O)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.2 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, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤10 mg/kg, Zn: ≤5 mg/kg

λ

0.5 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.025, λ: 280 nm Amax: ≤0.020

SMILES string

[Na+].[Na+].[H]OP([O-])([O-])=O

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

Application

磷酸氢二钠可用于:
  • 作为磷酸盐缓冲液成分
  • 制备MgCl2 杂交缓冲液
  • 作为 SSPE 溶液成分,制备小分子 RNA 杂交缓冲液



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存储类别

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



历史批次信息供参考:

分析证书(COA)

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Design of biomimetic collagen matrices by reagent-free electron beam induced crosslinking: Structure-property relationships and cellular response
Riedel S, et al.
Materials & Design, 107606-107606 (2019)
Foundations of identifying individual chromosomes by imaging flow cytometry with applications in radiation biodosimetry
Beaton-Green LA, et al.
Methods, 112, 18-24 (2017)
Eva Várallyay et al.
Nature protocols, 3(2), 190-196 (2008-02-16)
MicroRNAs (miRNAs) are short, about 21 nucleotides in length, noncoding, regulatory RNA molecules representing a new layer in post-transcriptional regulation of gene expression. Intensive miRNA research has necessitated the development of effective miRNA detection methods such as northern analyses, quantitative



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