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94676

Citric acid

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

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About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
77-92-9
Molecular Weight:
192.12
E Number:
E330
PubChem Substance ID:
329770375
eCl@ss:
39021801
UNSPSC Code:
41116107
NACRES:
NA.24
EC Number:
201-069-1
MDL number:
MFCD00011669
Beilstein/REAXYS Number:
782061
Technical Service
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Quality Segment

300

grade

certified reference material, TraceCERT®

shelf life

limited shelf life, expiry date on the label

expl. lim.

8 %, 65 °F

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

pKa 

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

mp

153-159 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

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

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

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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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number

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