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Merck

04102

Sigma-Aldrich

磷酸

puriss., ≥99%

别名:

正磷酸

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About This Item

线性分子式:
H3PO4
CAS号:
分子量:
98.00
Beilstein:
1921286
EC號碼:
MDL號碼:
分類程式碼代碼:
12352106
PubChem物質ID:

蒸汽密度

3.4 (vs air)

蒸汽壓力

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

等級

puriss.

化驗

≥99%

雜質

≤0.002% heavy metals (as Pb)

bp

158 °C (lit.)

mp

~40 °C (lit.)

密度

1.685 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤10 mg/kg
nitrate (NO3-): ≤10 mg/kg
phosphite, hypophosphite (as H3PO3): ≤100 mg/kg
sulfate (SO42-): ≤20 mg/kg

正離子痕跡

Fe: ≤10 mg/kg

SMILES 字串

OP(O)(O)=O

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

InChI 密鑰

NBIIXXVUZAFLBC-UHFFFAOYSA-N

基因資訊

human ... SRC(6714)

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其他說明

浓磷酸大约为 85% H3PO4(水溶液)。
A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

儲存類別代碼

8B - Non-combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Hao Dong et al.
Food chemistry, 240, 717-724 (2017-09-28)
The present work aims to systematically demonstrate the authenticity of honeys with non-extractable proteins for the first time, by means of EA-IRMS and LC-IRMS. Fifty-three pure honeys of various botanical and geographical origins were studied and a criterion on the
J M Fujitaki et al.
Biochemistry, 20(12), 3658-3664 (1981-06-09)
Phosphorus-31 nuclear magnetic resonance (31P NMR) is used to investigate acid-labile phosphorylation of histone H4. 31P NMR detects phosphorylated histidine residues in in vitro enzymatically phosphorylated H4. The source of kinase is nuclei from either regenerating rat liver or Walker-256
Internal versus external surface active sites in ZSM-5 zeolite: Part 1. Fries rearrangement catalyzed by modified and unmodified H3PO4/ZSM-5.
Ghiaci M, et al.
Applied Catalysis A: General, 298, 32-39 (2006)
P Meneses et al.
Journal of lipid research, 29(5), 679-689 (1988-05-01)
The common phospholipids from biological sources were quantitated using phosphorus-31 nuclear magnetic resonance (NMR) spectroscopy in conjunction with an analytical reagent composed of two parts: 1) 2 ml of reagent chloroform in which was dissolved 0.01-100 mg of crude tissue
D S Marinier et al.
Journal of lipid research, 29(9), 1237-1243 (1988-09-01)
In order to study the lipid composition of human white matter, we have developed a 31P NMR spectroscopy method, which allows the determination and quantitation of the main phospholipids found in biological membranes. The technique is based upon the use

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