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Merck
CN

8.18707

Citric acid

anhydrous for synthesis

Synonym(s):

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

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About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
UNSPSC Code:
12352106
NACRES:
NA.22
EC Index Number:
201-069-1
MDL number:
Beilstein/REAXYS Number:
782061
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Product Name

Citric acid, anhydrous for synthesis

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)

SMILES string

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

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

grade

synthesis grade

vapor pressure

<0.1 hPa ( 20 °C)

assay

≥99% (alkalimetric)

form

solid

potency

3000 mg/kg LD50, oral (Rat)

expl. lim.

8 %, 65 °F

pH

1.7 (20 °C, 100 g/L in H2O)

pKa 

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

bp

200 °C/1013 hPa (decomposition)

mp

153-159 °C (lit.)

solubility

1330 g/L

density

1.665 g/cm3 at 18 °C

bulk density

560 kg/m3

storage temp.

15-25°C

Quality Level

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Analysis Note

Assay (alkalimetric): ≥ 99 %
Identity (IR-spectrum): passes test

Application

  • Citric acid′s role in nanotechnology: Research on the use of citric acid as a precursor in the synthesis of carbon dots, highlighting its role in the creation of fluorescent nanoparticles for advanced material applications (J Schneider et al., 2017).

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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