Skip to Content
Merck
CN
All Photos(3)

Key Documents

V900019

Sigma-Aldrich

Citric acid

99%, crystals or granules, Vetec, reagent grade

Synonym(s):

2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
Beilstein:
782061
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

Product Name

Citric acid, Vetec, reagent grade, 99%

grade

reagent grade

product line

Vetec

Assay

99%

form

crystals or granules

expl. lim.

8 %, 65 °F

pKa 

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

mp

153-159 °C (lit.)

solubility

water: 50 mg/mL, clear to very slightly hazy, colorless

functional group

carboxylic acid
hydroxyl

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

Looking for similar products? Visit Product Comparison Guide

General description

Citric acid, is a weak organic acid widely used in many industrial applications such as chelation, buffering, pH adjustment, and derivatization. It can also be used as a reagent in condensation, acid catalysis, cycloaddition, deprotection, and decarboxylation reactions.

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

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


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service