Description
Catalogue Number 100244
Replaces CX1725-1; CX1725-3; CX1725
Synonyms 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid
Product Information
CAS number 5949-29-1
EC number 201-069-1
Grade ACS,ISO,Reag. Ph Eur
Hill Formula C₆H₈O₇ * H₂O
Molar Mass 210.14 g/mol
HS Code 2918 14 00
Structure formula Image Structure formula Image
Quality Level MQ300
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. Precautionary Statement(s) 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 Hazard Symbols Hazard SymbolsIrritant Categories of danger irritant R Phrase R 36 Irritating to eyes. S Phrase S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Storage and Shipping Information Storage Store at +15°C to +25°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 (acidimetric, calc. on anhydrous substance) 99.5 - 100.5 % Identity (IR-spectrum) passes test Appearance white to almost white or colorless crystals Appearance of solution (200 g/l; water) clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇ In water insoluble matter ≤ 50 ppm Chloride (Cl) ≤ 5 ppm Phosphate (PO₄) ≤ 10 ppm Sulfate (SO₄) ≤ 20 ppm Heavy metals (as Pb) ≤ 5 ppm Al (Aluminium) ≤ 0.2 ppm As (Arsenic) ≤ 1 ppm Hg (Mercury) ≤ 1 ppm Cu (Copper) ≤ 5 ppm Fe (Iron) ≤ 3 ppm Fe (Iron, acc. to Reag. Ph  Eur) suitable to use in the limit test for iron Pb (Lead) ≤ 0.5 ppm Oxalates (as C₂H₂O₄) ≤ 50 ppm Readily carbonisable substance passes test Sulfated ash ≤ 200 ppm Water (according to Karl Fischer) 7.5 - 8.8 % Corresponds to ACS, ISO 6353/2, Reag. Ph. Eur.