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磷酸三钾

P104107-20×500g、P104107-6×500g，箱装产品有可能含不同批次混发，不保证发同一批次；整箱销售，整箱退货，不受理单瓶退货。

规格或纯度: AR

CAS编号: 7778-53-2
分子式: K₃PO₄
分子量: 212.27
EC号: 231-907-1
MDL号: MFCD00036295
PubChem编号: 62657

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货号 (SKU)	包装规格	是否现货	价格	数量
P104107-500g	500g	现货
P104107-2.5kg	2.5kg	现货
P104107-6×500g	6×500g	现货
P104107-20×500g	20×500g	现货

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基本描述

别名	正磷酸钾
英文别名	potassium phosphate, tribasic, n-hydrate\|potassium-phosphate\|16D59922JU\|POTASSIUM PHOSPHATE, TRIBASIC ANHYDROUS\|DTXSID3043994\|FT-0688089\|Tripotasium phosphate\|A915279\|Tripotassium orthophosphate\|tri-Potassium orthophosphate\|Potassium phosphate-tribasic\|CC
规格或纯度	AR
英文名称	Potassium phosphate tribasic
应用	很好的缓冲溶剂，广泛用于生化试验。
运输条件	常规运输
产品介绍	Potassium phosphate tribasic is a reagent with a very high buffering capacity. Widely used in molecular biology, biochemistry, and chromatography. Potassium phosphate occurs in several forms: monobasic (KH2PO4), dibasic (K2HPO4), and tribasic (K3PO4). Neutral potassium phosphate buffer solutions may be prepared with a mixture of the monobasic and dibasic forms to varying degrees, depending on the desired pH. Potassium Phosphate buffers are very useful in numerous applications, but with the following limitations; precipitation of Ca2+ and Mg2+, inhibition of restriction enzyme activity, and interference in DNA ligation or bacterial transformation protocols. Has been used to study the effects of freezing and thawing on the stability of proteins sensitive to conformational changes; it was found that potassium phosphate buffers offered improved pH stability as opposed to sodium phosphate buffers. Potassium Phosphate has also been used for the extraction of keratohyalin protein from bovine tissue. 很好的缓冲溶剂，广泛用于生化试验。 Potassium phosphate tribasic is a reagent with a very high buffering capacity. Widely used in molecular biology, biochemistry, and chromatography. Potassium phosphate occurs in several forms: monobasic (KH2PO4), dibasic (K2HPO4), and tribasic (K3PO4). Neutral potassium phosphate buffer solutions may be prepared with a mixture of the monobasic and dibasic forms to varying degrees, depending on the desired pH. Potassium Phosphate buffers are very useful in numerous applications, but with the following limitations; precipitation of Ca2+ and Mg2+, inhibition of restriction enzyme activity, and interference in DNA ligation or bacterial transformation protocols. Has been used to study the effects of freezing and thawing on the stability of proteins sensitive to conformational changes; it was found that potassium phosphate buffers offered improved pH stability as opposed to sodium phosphate buffers. Potassium Phosphate has also been used for the extraction of keratohyalin protein from bovine tissue. A reagent with very high buffering capacity widely used in molecular biology

名称和标识符

EC号	231-907-1
IUPAC Name	tripotassium;phosphate
INCHI	InChI=1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChi Key	LWIHDJKSTIGBAC-UHFFFAOYSA-K
Canonical SMILES	[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
Isomeric SMILES	[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
PubChem CID	62657
分子量	212.27

化学和物理性质

溶解性	Soluble in water (100 mg/mL). Insoluble in alcohol.
密度	2.564
敏感性	对湿度敏感

安全和危险性（GHS）

象形图	Corrosive Harmful
信号词	Danger
危险声明	H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H318: Causes serious eye damage
预防措施声明	P261,P305+P351+P338,P280,P302+P352,P321,P405,P501,P264,P271,P304+P340,P403+P233,P362+P364,P264+P265,P305+P354+P338,P317,P337+P317,P332+P317,P319
个人防护装备	dust mask type N95 (US),Eyeshields,Gloves

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