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8.18707

Sigma-Aldrich

Citric acid

anhydrous for synthesis

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Synonym(s):
2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid
Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
Beilstein/REAXYS Number:
782061
MDL number:
EC Index Number:
201-069-1

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

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

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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This Item
1.93427C2404A1202000
Citric acid anhydrous for synthesis

8.18707

Citric acid

Citric acid anhydrous, for analysis EMPLURA&#174;

1.93427

Citric acid

Citric acid anhydrous, suitable for cell culture, suitable for plant cell culture

C2404

Citric acid

Citric acid anhydrous, European Pharmacopoeia (EP) Reference Standard

A1202000

Citric acid

Quality Level

200

Quality Level

-

Quality Level

200

Quality Level

-

form

solid

form

-

form

powder

form

-

pH

1.7 (20 °C, 100 g/L in H2O)

pH

-

pH

1.8 (25 °C, 50 g/L)

pH

-

storage temp.

15-25°C

storage temp.

room temp

storage temp.

-

storage temp.

2-8°C

solubility

1330 g/L

solubility

-

solubility

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

solubility

-

Analysis Note

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

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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