216003
磷酸二氢铵
ACS reagent, ≥98%
别名:
APM, prim -磷酸铵, 单 -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
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NA.21
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
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)
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
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
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