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Merck 102403 Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP 80 gr

Merck 102403 Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP 80 gr

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Merck 102403 Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP 80 gr

Category

Redoks Titrasyon

Brand

MERCK

Stock Code

LB.M.1024030080

Kısa Bilgi

Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Number 231-906-6.

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CAS Number: 7778-50-9

Sepete Ekle

Teklif Sepetine Ekle

Merck 102403 Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP 80 gr
Catalogue Number	102403
Synonyms	Potassium bichromate, Potassium pyrochromate

Product Information
CAS number	7778-50-9
EC index number	024-002-00-6
EC number	231-906-6
Grade	Reag. USP
Hill Formula	Cr₂K₂O₇
Chemical formula	K₂Cr₂O₇
Molar Mass	294.19 g/mol
HS Code	2841 50 00
Quality Level	MQ300

Applications
Application	Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Number 231-906-6.

Physicochemical Information
Boiling point	>500 °C (1013 hPa)
Density	2.680 g/cm3 (20 °C)
Melting Point	390 °C
pH value	3.5 - 5.0 (29.4 g/l, H₂O, 25 °C)
Bulk density	1250 kg/m3
Solubility	115 g/l

Toxicological Information
LD 50 oral	LD50 Rat 90.5 mg/kg
LD 50 dermal	LD50 Rat 1170 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H272: May intensify fire; oxidizer. H301: Toxic if swallowed. H312: Harmful in contact with skin. H314: Causes severe skin burns and eye damage. H317: May cause an allergic skin reaction. H330: Fatal if inhaled. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335: May cause respiratory irritation. H340: May cause genetic defects. H350: May cause cancer. H360FD: May damage fertility. May damage the unborn child. H372: Causes damage to organs through prolonged or repeated exposure if inhaled. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
RTECS	HX7680000
Storage class	5.1B Oxidizing hazardous materials
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, toxic for reproduction, oxidizing, very toxic, corrosive, sensitizing, dangerous for the environment

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 3086 , 6.1 (5.1), II
Declaration (transport by air) IATA-DGR	UN 3086 , 6.1 (5.1), II
Declaration (transport by sea) IMDG-Code	UN 3086 , 6.1 (5.1), II

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