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MERCK

MERCK 106336.1000 Sodium Dichromate Dihydrate GR CAS No. 7789-12-0 (SD.M.106336.1000)

Marka : MERCK
Fiyat : 8.665,39 ₺  + KDV
KDV Dahil : 10.398,47 ₺

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Key Spec Table

CAS # EC Number Hill Formula Chemical Formula Molar Mass Grade Value
7789-12-0 234-190-3 Cr₂Na₂O₇*2H₂O Na₂Cr₂O₇ * 2 H₂O 278 g/mol ACS

Pricing & Availability

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1063360250
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1063361000
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Description
Catalogue Number 106336
Synonyms Sodium bichromate, Sodium pyrochromate
Product Information
CAS number 7789-12-0
EC index number 024-004-00-7
EC number 234-190-3
Grade ACS
Hill Formula Cr₂Na₂O₇*2H₂O
Chemical formula Na₂Cr₂O₇ * 2 H₂O
Molar Mass 278 g/mol
HS Code 2841 30 00
Quality Level MQ300
Physicochemical Information
Boiling point 400 °C (1013 hPa) (decomposition)
Density 2.52 g/cm3 (20 °C)
Melting Point 356.7 °C (anhydrous substance)
pH value 3.5 (100 g/l, H₂O, 20 °C)
Bulk density 1200 kg/m3
Solubility 731.8 g/l
Toxicological Information
LD 50 oral LD50 Rat 50 mg/kg
LD 50 dermal LD50 Rabbit 1000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
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.
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.
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 HX7750000
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, very toxic, oxidizing, corrosive, 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 3087 , 5.1 (6.1), II
Declaration (transport by air) IATA-DGR UN 3087 , 5.1 (6.1), II
Declaration (transport by sea) IMDG-Code UN 3087 , 5.1 (6.1), II
Specifications
Assay (iodometric) 99.5 - 100.5 %
Identity passes test
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.002 %
Sulfate (SO₄) ≤ 0.01 %
Al (Aluminium) ≤ 0.002 %
Ca (Calcium) ≤ 0.002 %
Cu (Copper) ≤ 0.001 %
Fe (Iron) ≤ 0.002 %
K (Potassium) ≤ 0.01 %
Mg (Magnesium) ≤ 0.005 %
Pb (Lead) ≤ 0.002 %
Etiketler
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