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1134368

USP

Citric acid

United States Pharmacopeia (USP) Reference Standard

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
Beilstein:
782061
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard (unable to validate for USP)

expl. lim.

8 %, 65 °F

manufacturer/tradename

USP

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

mp

153-159 °C (lit.)

solubility

water: 383 g/L at 25 °C

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has 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.

Application

This USP reference standard is intended for use in specified quality tests and assays.
Also used to prepare standard solutions to test the limit of citric acid according to the following United States Pharmacopeia (USP) monographs:
  • Powdered Garcinia Hydroxycitrate Extract
  • Calcium Citrate Malate
  • Anticoagulant Citrate Phosphate Dextrose Adenine Solution
  • Magnesium Carbonate, Citric Acid, and Potassium Citrate for Oral Solution
  • Monoglyceride Citrate
  • Anticoagulant Sodium Citrate Solution
  • Tricitrates Oral Solution
  • Anticoagulant Citrate Phosphate Dextrose Solution
  • Cranberry Liquid Preparation

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.  ​

Other Notes

USP issued SDS can be found here.
Sales restrictions may apply.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

SDS

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