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无水磷酸氢二钠,Sodium phosphate dibasic;ACS reagent, ≥99.0%

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 329824633 NACRES NA.21
货号(SKU): S9763
CAS号: 7558-79-4
MDL号: MFCD00003496
增值税发票 √ 免费货运 [顺丰 联邦] √
7 527,38 ₽

产品描述

包装

1, 2.5 kg in poly bottle

100, 500 g in poly bottle

5, 12 kg in poly drum

Other Notes

Go to Redi-Dri Product Listing 795410

法律信息

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

性质

Quality Level200
gradeACS reagent
assay≥99.0%
formpowder
impurities≤0.002% Chloride (Cl)
≤0.01% Insoluble matter
loss≤0.2% loss on drying, 105°C
pH8.7-9.3 (25 °C, 5% in solution)
pKa (25 °C)(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubilitywater: 5% at 25 °C, clear
anion tracessulfate (SO42-): ≤0.005%
cation tracesFe: ≤0.002%
heavy metals: ≤0.001% (by ICP-OES)
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