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Zinc chloride, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- ZnCl2
- M = 136,28 g/mol
- CAS [7646-85-7]
- EINECS-No.: 231-592-0
- Solub. in water: (20 ºC): soluble
- Melting point: 318 ºC
- Boiling point: 730 ºC
- LD 50 (oral, rat): 350 mg/kg
- EC-Index-No.: 030-003-00-2
- ADR: 8 C2 III UN 2331
- IMDG: 8 III UN 2331
- IATA/ICAO: 8 III UN 2331
- GHS-signal word: Danger
- GHS-H sentences: H314 - H400 - H410 - H302
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2827 39 85 90
- Applications: analytical chemistry, laboratory reagent, catalyst, synthesis of organic products.
- Appearance: White crystalline powder

SPECIFICATIONS
assay (complexometric): 98,0 - 100,5 %
identity (IR-spectrum): passes test
insoluble matter: max. 0,005 %
pH (10 %, H2O): 4,6 - 5,5
nitrates (NO3): max. 0,003 %
sulfates (SO4): max. 0,002 %
ammonium (NH4): max. 0,005 %
oxychloride (acidimetric, as ZnO): max. 1,2 %
oxychlorides: passes test
total nitrogen (as N): max. 0,002 %
aluminium, calcium iron and magnesium: passes test
cadmium (Cd): max. 5 ppm
calcium (Ca): max. 0,001 %
copper (Cu): max. 0,001 %
iron (Fe): max. 5 ppm
lead (Pb): max. 0,001 %
magnesium (Mg): max. 0,01 %:
potassium (K): max. 0,02 %
sodium (Na): max. 0,005 %