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Trichloroacetic acid, for analysis, ExpertQ®, ACS

- Synonyms: TCA
- CCl3COOH
- M = 163,39 g/mol
- CAS [76-03-9]
- EINECS-No.: 200-927-2
- Solub. in water: (20 ºC): soluble
- Melting point: 54 - 58 ºC
- Boiling point: 197 ºC
- Vapour pressure: (20 ºC) 1 hPa
- LD 50 (oral, rat): 3320 mg/kg
- EC-Index-No.: 607-004-00-7
- ADR: 8 C4 II UN 1839
- IMDG: 8 II UN 1839
- IATA/ICAO: 8 II UN 1839
- GHS-signal word: Danger
- GHS-H sentences: H314 - H410
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2915 40 00 00
- Applications: analytical chemistry, laboratory reagent, herbicide, precipitant for: proteins, fixative in microscopy.

SPECIFICATIONS
assay (acidimetric): min. 99,5 %
identity (IR-spectrum): passes test
appearance of solution: passes test
insoluble in water: max. 0,01 %
chlorides (Cl): max. 0,002 %
nitrates (NO3): max. 0,002 %
phosphates (as PO4): max. 5 ppm
sulfates (SO4): max. 0,02 %
copper (Cu): max. 5 ppm
heavy metals (as Pb): max. 0,002 %
iron (Fe): max. 0,001 %
substances darkened by H2SO4: passes test
residue on ignition: max. 0,03 %