5.43828

ortho-Phosphoric acid

85%, for HPLC LiChropur^™

• Synonym(s): Phosphoric acid, o-Phosphoric acid, Orthophosphoric acid, Orthophosphoric acid
• Linear Formula: H₃PO₄
• CAS Number: 7664-38-2
• Molecular Weight: 98.00
• Beilstein/REAXYS Number: 1921286
• MDL number: MFCD00011340
• UNSPSC Code: 41116105
• NACRES: NA.21

Properties

• product name: ortho-Phosphoric acid 85%, for HPLC LiChropur^™
• vapor density: 3.4 (vs air)
• Quality Level: 100
• vapor pressure: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• form: liquid
• technique(s): HPLC: suitable
• pH: <0.5 (20 °C, 100 g/L in H₂O)
• kinematic viscosity: 30.5 cSt(20 °C)
• bp: 158 °C (lit.)
• mp: ~40 °C (lit.)
• density: 1.685 g/mL at 25 °C (lit.)
• storage temp.: no temp limit
• 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

Description

Other Notes

Concentrated phosphoric acid is approx. 85% H₃PO₄ (aqueous).

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• 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
• Storage Class: 8B - Non-combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: does not flash
• flash_point_c: does not flash