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Merck

79617

Sigma-Aldrich

磷酸

BioUltra, ≥85% (T)

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:
12352301
PubChem物質ID:
NACRES:
NA.26

蒸汽密度

3.4 (vs air)

品質等級

蒸汽壓力

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

產品線

BioUltra

化驗

≥85% (T)

形狀

viscous liquid

雜質

insoluble matter, passes filter test
≤0.001% KMnO4-reducing matter (as O)
≤0.001% volatile acids (as CH3COOH)

折射率

n20/D 1.433

bp

158 °C (lit.)

mp

~40 °C (lit.)

溶解度

H2O: 1 M at 20 °C, clear, colorless

密度

1.685 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤2 mg/kg
fluoride (F-): ≤1 mg/kg
nitrate (NO3-): ≤5 mg/kg
phosphite, hypophosphite (as H3PO3): ≤50 mg/kg
sulfate (SO42-): ≤30 mg/kg

正離子痕跡

Ag: ≤1 mg/kg
Al: ≤1 mg/kg
As: ≤0.5 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤10 mg/kg
K: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sb: ≤2 mg/kg
Sr: ≤1 mg/kg
Tl: ≤1 mg/kg
Zn: ≤1 mg/kg

SMILES 字串

OP(O)(O)=O

&lambda ;

1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04

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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應用

磷酸已用于制备阳极电解液,一种毛细管等电聚焦(CIEF)溶液组分。它还用作流动注射分析-化学氧化-同位素比质谱(FIA-CO-IRMS)分析的化学氧化剂。

其他說明

浓磷酸大约为 85% H3PO4(水溶液)。

注意

产品可能成为固体;加热至 50℃ 时变成液体。

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

8A - 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

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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