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PX0996

o-Phosphoric Acid

Name: o-Phosphoric Acid
Brand: MM

85% HPLC, Meets ACS Specifications

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:

12352301

MDL number:

MFCD00011340

Beilstein/REAXYS Number:

1921286

eCl@ss:

38070202

Concentration:

85% phosphoric acid

Form:

viscous liquid

Grade:

ACS reagent

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属性

产品名称

磷酸, Meets ACS Specifications

grade

ACS reagent

Quality Level

200

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

form

viscous liquid

greener alternative product characteristics

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

sustainability

Greener Alternative Product

concentration

85% phosphoric acid

impurities

≤0.001% Heavy metals (as Pb), ≤0.001% Insoluble matter, ≤0.001% Sulfate (SO₄), ≤0.001% Volatile acids (as acetic acid), ≤0.002% Antimony (Sb), ≤0.002% Calcium (Ca), ≤0.002% Magnesium (Mg), ≤0.003% Iron (Fe), ≤0.005% Potassium (K), ≤0.025% Sodium (Na), ≤0.5 ppm Arsenic (As), ≤0.5 ppm Manganese (Mn), ≤3 ppm Chloride (Cl), ≤5 ppm Nitrate (NO₃)

color

APHA: ≤10

pH

<0.5 (20 °C, 100 g/L in H₂O)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

UV absorption

λ: 220 nm A_max: ≤0.05, λ: 254 nm A_max: ≤0.04, λ: 300 nm A_max: ≤0.02

greener alternative category

Enabling

shipped in

ambient

storage temp.

room temp

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

说明

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Phosphoric acid-doped polybenzimidazole (PBI) membranes offer a cleaner path to energy by enabling high-temperature fuel cells that efficiently convert hydrogen into electricity with low emissions. Their durability and proton conductivity make them ideal for sustainable power systems. Click here for more information.

Application

Meets ACS Specifications

PX0996-6 is packaged in poly coated glass bottles

Analysis Note

Antimony (Sb)0.002% maxArsenic (As)0.5ppm maxAssay85.0% minCalcium (Ca)0.002% maxChloride (Cl)3ppm maxColor (APHA)10 maxFormClear syrupy liquidHeavy metals (as Pb)0.001% maxInsoluble matter0.001% maxIron (Fe)0.003% maxMagnesium (Mg)0.002% maxManganese (Mn)0.5ppm maxNitrate (NO3)5ppm maxPhosphorous or hypophosphorous acidTo pass testPotassium (K)0.005% maxReducing substancesTo pass testSodium (Na)0.025% maxSulfate (SO4)0.001% maxUV Absorbance at 220 nm (1M, 1cm, water)0.05AU maxUV Absorbance at 254 nm (1M, 1cm, water)0.04AU maxUV Absorbance at 300 nm (1M, 1cm, water)0.02AU maxVolatile acids (as acetic acid)0.001% max

Other Notes

浓磷酸大约为 85% H₃PO₄(水溶液)。

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pictograms

GHS05,GHS07

signalword

Danger

hcodes

H290,H302,H314

pcodes

P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - 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

wgk

WGK 1

flash_point_f

does not flash

flash_point_c