Merck 104952 Potassium chromate for analysis EMSURE® ACS,Reag. pH Eur 1 kg

Category

Tuzlar

Brand

MERCK

Stock Code

LB.M.104952.1000

Market Price

CAS Number: 7789-00-6

12.143,96 TL + VAT

14.572,75 TL

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Merck 104952

Potassium chromate for analysis EMSURE® ACS, Reag. Ph Eur

Description
Catalogue Number	104952
Synonyms	chromic acid potassium salt

Merck 104952 Potassium chromate for analysis EMSURE® ACS, Reag. Ph Eur

Product Information
CAS number	7789-00-6
EC index number	024-006-00-8
EC number	232-140-5
Grade	ACS,Reag. Ph Eur
Hill Formula	CrK₂O₄
Chemical formula	K₂CrO₄
Molar Mass	194.2 g/mol
HS Code	2841 50 00
Quality Level	MQ300

Physicochemical Information
Density	2.73 g/cm3
Melting Point	968.3 °C
pH value	8.5 - 10.0 (50 g/l, H₂O, 20 °C)
Bulk density	1400 kg/m3
Solubility	637 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. H335: May cause respiratory irritation. H340: May cause genetic defects. H350i: May cause cancer by inhalation. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P202: Do not handle until all safety precautions have been read and understood. P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P302 + P352: IF ON SKIN: Wash with plenty of water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal Word	Danger
Storage class	6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 3 highly hazardous to water
Disposal	22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.

Safety Information
Categories of danger	carcinogenic, mutagenic, irritant, sensitizing, dangerous for the environment

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 3077 , 9, III
Declaration (transport by air) IATA-DGR	UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code	UN 3077 , 9, III, Marine Pollutant: P

Specifications
Assay (iodometric)	≥ 99.5 %
In water insoluble matter	≤ 0.005 %
pH-value (5 %; water)	9.0 - 9.8
Chloride (Cl)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.01 %
Ca (Calcium)	≤ 0.005 %
Na (Sodium)	≤ 0.02 %
Pb (Lead)	≤ 0.005 %

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