PHR3222

Phosphoric acid

certified reference material, pharmaceutical secondary standard

• Synonym(s): Orthophosphoric acid
• Linear Formula: H₃PO₄
• CAS Number: 7664-38-2
• Molecular Weight: 98.00
• Beilstein: 1921286
• MDL number: MFCD00011340

Properties

• grade: certified reference material; pharmaceutical secondary standard
• Quality Level: 300
• Agency: traceable to USP 1535802
• vapor density: 3.4 (vs air)
• vapor pressure: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• packaging: pkg of 1.5 mL
• bp: 158 °C (lit.)
• mp: ~40 °C (lit.)
• density: 1.685 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• 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

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Other Notes

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

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAA6959(changes by product) in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290 - H302 - H314
• Precautionary Statements: 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 Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable