Kwas galusowy monohydrat EssentQ® ekstra czysty – Scharlau
Additional information
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PRODUCENT: SCHARLAB
Gallic acid monohydrate, EssentQ®
– Synonyms: 3,4,5-Trihydroxybenzoic acid
– C7H6O5·H2O
– M = 188,14 g/mol
– CAS [5995-86-8]
– EINECS-No.: 205-749-9
– Solub. in water: (20 ºC): ~ 15 g/l
– Melting point: 256 – 260 ºC
– GHS-signal word: Warning
– GHS-H sentences: H315 – H319 – H335
– GHS-P sentences: P261 – P280 – P305+P351+P338 – P321 – P405 – P501a
– Tariff number: 2918 29 00 90
– Applications: analytical chemistry, photography, manufacture of dyes, cosmetics.
SPECIFICATIONS
assay (acidimetric): min. 99,5 %
identity (IR-spectrum): passes test
chlorides (Cl): max. 0,01 %
sulfates (SO4): max. 0,005 %
loss on drying (105 ºC): 7- 10 %
residue on ignition: max. 0,1 %
