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1.00242.5000 CITRIC ACID MONOHYDRATE MERCK
Description
Catalogue Number 100242
Synonyms 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid
Product Information
CAS number 5949-29-1
EC number 201-069-1
Grade Ph Eur,BP,ChP,JP,USP,E 330,FCC
Hill Formula C₆H₈O₇ * H₂O
Molar Mass 210.14 g/mol
HS Code 2918 14 00
Structure formula Image Structure formula Image
Quality Level MQ500
Physicochemical Information
Density 1.54 g/cm3 (20 °C)
Flash point 173.9 °C Not applicable
Melting Point 135 - 152 °C
pH value 1.85 (50 g/l, H₂O, 25 °C)
Vapor pressure <1 Pa (25 °C)
Bulk density 800 - 1000 kg/m3
Solubility 880 g/l
Toxicological Information
LD 50 oral LD50 Rat 3000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s) P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P264: Wash skin thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear eye protection/ face protection.
P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Warning
RTECS GE7810000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Categories of danger irritant
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Transport Information
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by air) IATA-DGR No Dangerous Good
Declaration (transport by sea) IMDG-Code No Dangerous Good
Specifications
Assay (alkalimetric, calculated on anhydrous substance) 99.5 - 100.5 %
Identity (IR-spectrum) passes test
Identity (wet chemistry) passes test
Appearance white to almost white or colorless crystals
Appearance of solution (200 g/l; water) clear (≤ 1.5 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇
Chloride (Cl) ≤ 5 ppm
Sulfate (SO₄) ≤ 50 ppm
Heavy metals (as Pb) ≤ 5 ppm
Al (Aluminium) ≤ 0.2 ppm
As (Arsenic) ≤ 1 ppm
Ca (Calcium) passes test
Fe (Iron) ≤ 10 ppm
Hg (Mercury) ≤ 1 ppm
Pb (Lead) ≤ 0.5 ppm
Oxalates (as C₂H₂O₄) ≤ 100 ppm
Oxalate (C₂H₂O₄) (ChP) passes test
Residual solvents (ICH (Q3C)) excluded by manufacturing process
Readily carbonisable substance passes test
Sulfated ash (600 °C) ≤ 0.05 %
Water (according to Karl Fischer) 7.5 - 8.8 %
Bacterial endotoxins < 0.5
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph. Eur., BP, ChP, JP, USP, E 330, FCC
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
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