Skip to Content
Merck
All Photos(3)

Documents

W230633

Sigma-Aldrich

Citric acid

greener alternative

natural, ≥99.5%, FCC, FG

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
FEMA Number:
2306
Beilstein:
782061
MDL number:
UNSPSC Code:
12164502
E Number:
E 330
NACRES:
NA.21

biological source

botanical

Quality Level

grade

FG
Fragrance grade
Halal
Kosher
natural

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117

Assay

≥99.5%

form

crystals, granules or powder

expl. lim.

8 %, 65 °F

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

pKa 

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

mp

153-159 °C (lit.)

density

1.67 g/cm3 at 20 °C

cation traces

As: ≤3.0 ppm
Cd: ≤1.0 ppm
Hg: ≤1.0 ppm
Pb: ≤0.5 ppm

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

greener alternative category

Organoleptic

odorless

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

We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”.

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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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