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Merck
CN

216003

Sigma-Aldrich

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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About This Item

线性分子式:
NH4H2PO4
CAS号:
分子量:
115.03
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NA.21
方案:
≥98%
等级:
ACS reagent
表单:
crystals or chunks

等级

ACS reagent

质量水平

蒸汽压

<0.001 hPa ( 20 °C)

方案

≥98%

表单

crystals or chunks

杂质

≤0.005% NH4OH pptd.
≤0.005% insolubles

pH值(酸碱度)

3.8-4.4 (25 °C, 5%)

mp

190 °C (dec.) (lit.)

痕量阴离子

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

痕量阳离子

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

SMILES字符串

N.OP(O)(O)=O

InChI

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

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

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应用

用于第一个混合价态磷酸铁铵 NH4Fe2(PO4)2 的合成。

法律信息

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

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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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)
Catarina Barbosa et al.
International journal of food microbiology, 160(2), 87-93 (2012-11-28)
Sulphur-containing amino acids, cysteine and methionine, are generally found in very low concentrations in grape-juice. The objective of this study was to identify the effects of methionine on aroma compounds formation. Nitrogen source effects on growth, fermentative behaviour and aroma
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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