Dichromian sodowy, dihydrat ExpertQ® do analizy ACS – SCHARLAU

POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU

PRODUCENT: SCHARLAB

Sodium dichromate dihydrate, ExpertQ®, A

– Synonyms: Sodium bichromate, Sodium pyrochromate
– Na2Cr2O7·2H2O
– M = 298,00 g/mol
– CAS [7789-12-0]
– EINECS-No.: 234-190-3
– Solub. in water: (20 ºC): 731,8 g/l
– Melting point: 356,7 ºC (anhydrous substance)
– Boiling point: 400 ºC (decomposes)
– LD 50 (oral, rat): 50 mg/kg
– EC-Index-No.: 024-004-01-4
– ADR: 6.1 T5 III UN 3288
– IMDG: 6.1 III UN 3288
– IATA/ICAO: 6.1 III UN 3288
– GHS-signal word: Danger
– GHS-H sentences: H272 – H301 – H330 – H334 – H340 – H350 – H360FD – H372 – H314 – H400 – H410 – H312 – H317
– GHS-P sentences: P221 – P303+P361+P353 – P305+P351+P338 – P320 – P405 – P501a
– Tariff number: 2841 30 00 00
– Applications: analytical chemistry, laboratory reagent, oxidizing agent (manufacture of dyes), starting material for synthesis of chromic acid and other chromates.
– Appearance: Orange solid

SPECIFICATIONS
assay (iodometric): 99,5 – 100,5 %
identity: passes test
insoluble in water: max. 0,005 %
ammonium hydroxide precipitate: max. 0,005 %
chlorides (Cl): max. 0,002 %
sulfates (SO4): max. 0,01 %
aluminium (Al): max. 0,002 %
calcium (Ca): max. 0,002 %
copper (Cu): max. 0,001 %
iron (Fe): max. 0,002 %
lead (Pb): max. 0,002 %
magnesium (Mg): max. 0,005 %
potassium (K): max. 0,01 %