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无水磷酸氢二钠,Sodium phosphate dibasic;BioUltra, for molecular biology, ≥99.5% (T)

别名:磷酸氢二钠;磷酸钠二元;二盐基磷酸钠;磷酸一氢钠;磷酸二钠;磷酸氢二钠;sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate

CAS号 7558-79-4 线性分子式 Na2HPO4 分子量 141.96 EINECS 编号 231-448-7 MDL number MFCD00003496 eCl@ss 38070211 PubChem Substance ID 57652328 NACRES NA.25
货号(SKU): 71636
CAS号: 7558-79-4
MDL号: MFCD00003496
增值税发票 √ 免费货运 [顺丰 联邦] √
€112.58

产品描述

Application

Sodium phosphate dibasic has been used:
• as a component in phosphate buffer[1]
• in the preparation of MgCl2 hybridization buffer[2]
• as a component in SSPE solution for the preparation of small RNA hybridisation buffer[3]

性质

gradefor molecular biology
product lineBioUltra
assay≥99.5% (T)
formcoarse powder
fine crystals
powder
impuritiesDNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)
loss≤0.1% loss on drying, 110 °C
pH8.8-9.4 (25 °C, 0.5 M in H2O)
pKa (25 °C)(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubilityH2O: 0.5 M at 20 °C, clear, colorless
anion traceschloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation tracesAl: ≤5 mg/kg
As: ≤0.2 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤10 mg/kg
Zn: ≤5 mg/kg
λ0.5 M in H2O
UV absorptionλ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.020
SMILES string[Na+].[Na+].[H]OP([O-])([O-])=O
InChI1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI keyBNIILDVGGAEEIG-UHFFFAOYSA-L


安全信息

个人防护装备 EyeshieldsGlovestype N95 (US)
RIDADR UN 3077 9 / PGIII
WGK德国 WGK 1
RTECS WC4500000
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