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磷酸氢二钾,Potassium phosphate dibasic;anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥98%

别名;无水磷酸氢二钾;磷酸二钾;磷酸氢二钾;仲-磷酸钾;磷酸钾二元;Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

CAS号 7758-11-4 线性分子式 K2HPO4 分子量 174.18 EINECS 编号 231-834-5 MDL number MFCD00011383 PubChem Substance ID 329768488
货号(SKU): 795496
CAS号: 7758-11-4
MDL号: MFCD00011383
增值税发票 √ 免费货运 [顺丰 联邦] √
¥8,673

产品描述

包装

1, 2.5 kg in poly bottle

100, 500 g in poly bottle

法律信息

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

性质

Quality Level200
gradeACS reagent
Redi-Dri
anhydrous
assay≥98%
formpowder
qualityfree-flowing
impurities≤0.001% Nitrogen compounds (as N)
≤0.01% Insoluble matter
loss≤1.0% loss on drying, 105°C
pH8.5-9.6 (25 °C, 5% in solution)
pKa (25 °C)(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
anion traceschloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%
cation tracesFe: ≤0.001%
Na: ≤0.05%
heavy metals: ≤5 ppm (by ICP-OES)
SMILES string[K+].[K+].OP([O-])([O-])=O
InChI1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI keyZPWVASYFFYYZEW-UHFFFAOYSA-L


安全信息

RIDADR NONH for all modes of transport
WGK德国 WGK 1
闪点(华氏) Not applicable
闪点(摄氏) Not applicable
商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 190 | 欧洲Eur. ≥ 66 | 東京Tokyo ≥ 82 | 香港与北京 ≥ 55
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