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05-4930

Sigma-Aldrich

Citric acid monohydrate

JIS special grade, ≥99.5%

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About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2 · H2O
CAS Number:
5949-29-1
Molecular Weight:
210.14
Beilstein:
4018641
EC Number:
201-069-1
MDL number:
MFCD00149972
UNSPSC Code:
12352300
PubChem Substance ID:
329748070

grade

JIS special grade

vapor pressure

<0.01 hPa ( 25 °C)

Assay

≥99.5%

form

solid

availability

available only in Japan

pH

1.85 (25 °C, 50 g/L)

pKa 

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

SMILES string

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

InChI

1S/C6H8O7.H2O/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);1H2

InChI key

YASYEJJMZJALEJ-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319 - H335

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

345.0 °F - closed cup

Flash Point(C)

173.9 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

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