Phthalic acid
USP/1535899 - United States Pharmacopeia (USP) Reference Standard
Synonym: Phthalic acid; 1,2-
CAS Number: 88-99-3
Empirical Formula (Hill Notation): C8H6O4
Molecular Weight: 166.13
MDL Number: MFCD00002467
Linear Formula: C6H4-1,2-(CO2H)2
Product Type: Chemical
API family | fluorescein |
application(s) | pharmaceutical (small molecule) |
density | 1.59 g/cm3 at 15 °C |
form | crystalline |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/C8H6O4/c9-7(10)5-3-1-2 |
InChI key | XNGIFLGASWRNHJ-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | 210-211 °C (dec.) (lit.) |
SMILES string | OC(C1=C(C(O)=O)C=CC=C1)=O |
solubility | alcohol: soluble |
water: partially soluble |
Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
Application: | Phthalic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. |
General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia ![]() ![]() |
Other Notes: | Sales restrictions may apply. |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H315 - H319 - H335 |
Precautionary statements | P305 + P351 + P338 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
mp | 210-211 °C (dec.) (lit.) |
Density | 1.59 g/cm3 at 15 °C |
UNSPSC | 41116107 |