79617

磷酸

BioUltra, ≥85% (T)

• Synonym(s): 正磷酸
• Linear Formula: H₃PO₄
• CAS Number: 7664-38-2
• Molecular Weight: 98.00
• Beilstein: 1921286
• EC 号: 231-633-2
• MDL编号: MFCD00011340
• PubChem化学物质编号: 57652809
• NACRES: NA.26

Properties

• 蒸汽密度: 3.4 (vs air)
• 质量水平: 200
• 蒸汽压: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• 产品线: BioUltra
• 测定: ≥85% (T)
• 形式: viscous liquid
• 杂质: 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.)
• 溶解性: H₂O: 1 M at 20 °C, clear, colorless
• 密度: 1.685 g/mL at 25 °C (lit.)
• 痕量阴离子: chloride (Cl^-): ≤2 mg/kg; fluoride (F^-): ≤1 mg/kg; nitrate (NO₃^-): ≤5 mg/kg; phosphite, hypophosphite (as H₃PO₃): ≤50 mg/kg; sulfate (SO₄^2-): ≤30 mg/kg
• 痕量阳离子: 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 string: OP(O)(O)=O
• λ: 1 M in H₂O
• 紫外吸收: λ: 260 nm A_max: ≤0.05; λ: 280 nm A_max: ≤0.04
• InChI: 1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
• InChI key: NBIIXXVUZAFLBC-UHFFFAOYSA-N
• Gene Information: human ... SRC(6714)

Description

应用

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。

包装

250, 250 mL

1, 1, 2.5 L

其他说明

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。

Safety Information

• 象形图: GHS05,GHS07
• 警示用语：: Danger
• 危险声明: H290 - H302 - H314
• 预防措施声明: P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• 危险分类: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• 储存分类代码: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 1
• 闪点(F): Not applicable
• 闪点(C): Not applicable
• 个人防护装备: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter