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695017

磷酸

Name: 磷酸
Brand: SIGALD

ACS reagent, ≥85 wt. % in H₂O

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别名:

正磷酸

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关于此项目

线性分子式:

H₃PO₄

化学文摘社编号:

7664-38-2

分子量:

98.00

UNSPSC Code:

12352106

NACRES:

NA.21

PubChem Substance ID:

329761708

EC Number:

231-633-2

Beilstein/REAXYS Number:

1921286

MDL number:

MFCD00011340

eCl@ss:

38070202

Assay:

≥85% H₃PO₄ basis (by NaOH, titration)

Concentration:

≥85 wt. % in H₂O

Form:

liquid

Grade:

ACS reagent

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属性

grade

ACS reagent

Quality Segment

200

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

assay

≥85% H₃PO₄ basis (by NaOH, titration)

form

liquid

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentration

≥85 wt. % in H₂O

technique(s)

NMR: suitable

impurities

reducing substances, passes test, ≤0.001% volatile acids (as CH₃COOH)

color

APHA: ≤10

bp

158 °C (lit.)

mp

~40 °C (lit.)

solubility

water: soluble (98 g/l at 20 °C)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤3 ppm, nitrate (NO₃^-): ≤5 ppm, sulfate (SO₄^2-): ≤0.003%

cation traces

As: ≤1 ppm, Ca: ≤0.002%, Fe: ≤0.003%, K: ≤0.005%, Mg: ≤0.02%, Mn: ≤0.5 ppm, Na: ≤0.025%, Sb: ≤0.002%, heavy metals: ≤0.001% (by ICP)

greener alternative category

Enabling

SMILES string

OP(O)(O)=O

InChI

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

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Gene Information

human ... SRC(6714)

说明

General description

磷酸 (H ₃ PO ₄) 在工业上用于处理金属表面以获得更好的涂料和树脂涂层的附着力。

We are committed to bringing you Greener Alternative Products that adhere to one of the four categories of Greener Alternatives. Phosphoric acid is an enabling product which enhances the sustainability of lithium-ion batteries by improving the ionic conductivity of solid-state electrolytes through water-mediated synthesis. This process reduces reliance on harmful solvents, minimizes waste, and promotes the formation of structures that facilitate lithium ion transport, demonstrating a commitment to greener chemistry and efficient energy storage solutions. Click here for more information.

Application

磷酸可用作测定普通磷脂的磷-31核磁共振（³¹磷核磁共振）化学位移的标准。它可用于以下研究：

作为³¹P核磁共振波谱分析人脑白质脂质组成的外部标准。
³¹P NMR波谱作为组蛋白H4酸不稳定磷酸化的外部标准。
作为参考标准，通过反应前和反应后质谱³¹核磁共振和傅里叶变换红外光谱法研究二氧化硅/氧化铝负载的磷酸钠上存在的表面物质。
作为催化剂在一系列表面改性和未改性的ZSM-5上（623K）苯乙酸酯的气相弗里斯重排。

Other Notes

浓磷酸大约为 85% H₃PO₄(水溶液)。

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象形图

GHS05,GHS07

警示词

Danger

危险代码

H290,H302,H314

预防性声明

P234 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

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

存储类别

8B - Non-combustible corrosive hazardous materials

闪点 (F)

Not applicable

闪点 (°C)