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磷酸二氢钾,Potassium phosphate monobasic;buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5%

别名:无水磷酸二氢钾;正磷酸一钾;磷酸钾二元一元;Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

CAS号 7778-77-0 线性分子式 KH2PO4 分子量 136.09 EINECS 编号 231-913-4 MDL number MFCD00011401 PubChem Substance ID 329758828 NACRES NA.21
货号(SKU): 60220
CAS号: 7778-77-0
MDL号: MFCD00011401
增值税发票 √ 免费货运 [顺丰 联邦] √
$241.50

产品描述

包装

1, 2.5 kg in poly bottle

500 g in poly bottle

性质

Quality Level100
gradeACS reagent
anhydrous
reag. ISO, reag. Ph. Eur.
puriss. p.a.
assay99.5-100.5%
impurities≤0.001% total nitrogen (N)
loss≤0.2% loss on drying, 105 °C
pH4.2-4.5 (20 °C, 5%)
pKa (25 °C)(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp252.6 °C (lit.)
solubilitywater: 0.5 g/10 mL, clear, colorless to light yellow
density2.338 g/mL at 25 °C (lit.)
anion traceschloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg
cation tracesAs: ≤0.5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤15 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤0.001% (by ICP-OES)
SMILES string[K+].OP(O)([O-])=O
InChI1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI keyGNSKLFRGEWLPPA-UHFFFAOYSA-M


安全信息

个人防护装备 EyeshieldsGlovestype N95 (US)
RIDADR NONH for all modes of transport
WGK德国 WGK 1
RTECS TC6615500
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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