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Merck
CN

216003

磷酸二氢铵

ACS reagent, ≥98%

别名:

APM, 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.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-764-5
MDL number:
Assay:
≥98%
Grade:
ACS reagent
Form:
crystals or chunks
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产品名称

磷酸二氢铵, ACS reagent, ≥98%

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

grade

ACS reagent

vapor pressure

<0.001 hPa ( 20 °C)

assay

≥98%

form

crystals or chunks

impurities

≤0.005% NH4OH pptd.
≤0.005% insolubles

pH

3.8-4.4 (25 °C, 5%)

mp

190 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.01%

cation traces

Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.005%
Na: ≤0.005%
heavy metals (as Pb): ≤5 ppm

Quality Level

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Application

用于第一个混合价态磷酸铁铵 NH4Fe2(PO4)2 的合成。

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Milne GWA.
Gardner's Commercially Important Chemicals: Synonyms, Trade Names, and Properties, 193-193 (2005)
Burdock GA.
Encyclopedia of Food and Color Additives, 142-142 (1997)
Boudin, S. Lii, K-H.
Inorganic Chemistry, 37, 799-799 (1998)
Nathan K Deed et al.
Applied microbiology and biotechnology, 89(5), 1537-1549 (2011-01-20)
Two deletion mutants expected to be defective in nitrogen catabolite repression (NCR) were constructed in a commercial wine yeast background M2: a ure2 mutant and a dal80 gzf3 double mutant. Wild-type and both mutant strains were fermented in Sauvignon Blanc
Anelise Rodolfo Ferreira Pieralini et al.
The Journal of prosthetic dentistry, 108(1), 51-57 (2012-07-07)
Coatings of zirconite, Y(2)O(3) or ZrO(2) on wax patterns before investing in phosphate-bonded investments have been recommended to reduce the reaction layer in titanium castings, but they are not easily obtainable. Spinel-based investments are relatively stable with molten titanium and

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