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1134368

USP

Citric acid

Name: Citric acid
Brand: USP

United States Pharmacopeia (USP) Reference Standard

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About This Item

Linear Formula:

HOC(COOH)(CH₂COOH)₂

CAS Number:

77-92-9

Molecular Weight:

192.12

Beilstein:

782061

MDL number:

MFCD00011669

UNSPSC Code:

41116107

PubChem Substance ID:

329749410

NACRES:

NA.24

grade

pharmaceutical primary standard

API family

citric acid

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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Related Categories

Analytical Reference Standards

Pharmacopeia & Metrological Institute Standards

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

Citric acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

Anhydrous Citric Acid
Citric Acid Monohydrate
Magnesium Carbonate, Citric Acid, and Potassium Citrate for Oral Solution
Monoglyceride Citrate
Powdered Garcinia Hydroxycitrate Extract
Anticoagulant Citrate Phosphate Dextrose Solution
Potassium Citrate Extended-Release Tablets

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

Sales restrictions may apply.

related product

Product No.

Description

Pricing

Signal Word

Warning

Hazard Statements

H319,H335

Precautionary Statements

P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.