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05-4960

Sigma-Aldrich

Citric acid

SAJ first grade, ≥99.5%

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About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
77-92-9
Molecular Weight:
192.12
Beilstein/REAXYS Number:
782061
EC Number:
201-069-1
MDL number:
MFCD00011669
UNSPSC Code:
12352106
PubChem Substance ID:
329748073

grade

SAJ first grade

assay

≥99.5%

form

crystalline

expl. lim.

8 %, 65 °F

availability

available only in Japan

pKa 

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

mp

153-159 °C (lit.)

solubility

water: 383 g/L at 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)

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319,H335

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

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
U5351
U4246
U6943
U3822
U2722

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