Kwas tioglikolowy około 80% EssentQ® ekstra czysty – Scharlau

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PRODUCENT: SCHARLAB

Thioglycolic acid, solution 80% w/w, Ess

– Synonyms: Mercaptoacetic acid
– C2H4O2S
– M = 92,12 g/mol
– CAS [68-11-1]
– EINECS-No.: 200-677-4
– Density: 1,27 g/cm3
– Solub. in water: (20 ºC): miscible
– Melting point: -15 – -10 ºC
– Flash pt. 126 ºC (anhydrous substance)
– Vapour pressure: (20 ºC) 0,1 hPa (anhydrous substance)
– Refraction index: (n 20 ºC/D) 1,5030
– LD 50 (oral, rat): 73 mg/kg (anhydrous substance)
– EC-Index-No.: 607-090-00-6
– ADR: 8 C3 II UN 1940
– IMDG: 8 II UN 1940
– IATA/ICAO: 8 II UN 1940
– GHS-signal word: Danger
– GHS-H sentences: H301 – H311 – H331 – H314
– GHS-P sentences: P260 – P303+P361+P353 – P305+P351+P338 – P361 – P405 – P501a
– Tariff number: 2930 90 99 99
– Applications: analytical chemistry, laboratory reagent, reagent for metals detection (iron, tin, silver, molybdenum), for spectrophotometric determinations (for determination of: palladium).

SPECIFICATIONS
assay (iodometric): 79 – 82 %
density (20º/4º): 1,26 – 1,28
copper (Cu): max. 5 ppm
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 5 ppm
lead (Pb): max. 5 ppm
nickel (Ni): max. 5 ppm
sensitivity to iron: passes test
residue on ignition: max. 0,03 %
water (K.F.): 18 – 21 %