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Merck
CN

09709

磷酸二氢铵

BioUltra, ≥99.5% (T)

别名:

prim -磷酸铵, -磷酸铵, 磷酸二氢铵

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关于此项目

线性分子式:
NH4H2PO4
化学文摘社编号:
分子量:
115.03
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12161700
EC Number:
231-764-5
MDL number:
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Quality Level

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

SMILES string

N.OP(O)(O)=O

product line

BioUltra

assay

≥99.5% (T)

impurities

insoluble matter, passes filter test

pH

4.0-5.0 (25 °C, 0.1 M in H2O)

mp

190 °C (dec.) (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

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

cation traces

Al: ≤5 mg/kg, As: ≤0.5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤20 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

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.059, λ: 280 nm Amax: ≤0.050

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Application

磷酸二氢铵可用于研究优化试剂、蛋白质结构分析、蛋白质组学、X 射线晶体学和生物缓冲液。磷酸二氢铵已被用于开发一种简单的高效液相色谱方法,用于测定尿液中的 N1-烷基烟酰胺,包括 C1C5 烷基衍生物。磷酸二氢铵还被用于开发一种将高效液相色谱分析与紫外检测(254 nm)相结合的方法,用于测定人血浆中咪达唑仑及其两种羟基化代谢物。

Other Notes

培养基的组分,例如 DEV SIMMONS柠檬酸琼脂、醋酸盐琼脂(根据 Trabulsi 和 Ewing 的方法)

存储类别

11 - Combustible Solids

wgk

WGK 1

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)

Lot/Batch Number

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T Hirayama et al.
Analytical biochemistry, 147(1), 108-113 (1985-05-15)
A simple high-performance liquid chromatographic method has been developed for determining N1-alkylnicotinamides, including C1-C5 alkyl derivatives, in urine. N1-Alkylnicotinamides were reacted with acetophenone in strong alkali medium at 0 degrees C and then formic acid was added. The reaction mixture
L.R. Trabulsi et al.
Publ. Hlth. Lab., 20, 137-137 (1962)
María J Nozal et al.
Journal of pharmaceutical and biomedical analysis, 30(2), 285-291 (2002-08-23)
A high performance liquid chromatographic (HPLC) method for the assay of sumatriptan succinate residues in swabs collected from manufacturing equipment surfaces was developed and validated in order to control a cleaning procedure. The swabbing procedure using two cotton swabs moistened
Karima Achelhi et al.
Dalton transactions (Cambridge, England : 2003), 39(44), 10644-10651 (2010-10-05)
Organically-modified hydroxyapatite materials were synthesized through the addition of oxalic, succinic, adipic and citric acids to a calcium hydroxide solution before neutralization by ammonium dihydrogenphosphate. All carboxylic acids have a significant influence on apatite crystallinity and nanoparticle size, as indicated
Alicia Gutiérrez et al.
Food microbiology, 31(1), 25-32 (2012-04-06)
Nitrogen deficiencies in grape musts are one of the main causes of stuck or sluggish wine fermentations. Currently, the most common method for dealing with nitrogen-deficient fermentations is adding supplementary nitrogen (usually ammonium phosphate). However, it is important to know

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