Merck 106528 1000 Sodium Disulfite (Sodium Metabisulfite) Gr For Analysis Acs 1 KG.

Merck 106528 1000 Sodium Disulfite (Sodium Metabisulfite) Gr For Analysis Acs 1 KG.

40.54 ( KDV Dahil )

(sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur

Stok kodu: 106528.1000 Kategoriler: ,


Catalogue Number 106528
Synonyms Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite

Product Information
CAS number 7681-57-4
EC index number 016-063-00-2
EC number 231-673-0
Grade ACS,Reag. Ph Eur
Hill Formula Na₂O₅S₂
Molar Mass 190.11 g/mol
HS Code 2832 10 10
Quality Level MQ300

Physicochemical Information
Density 2.36 g/cm3 (20 °C)
Melting Point 300 °C (decomposition)
pH value 4.5 (50 g/l, H₂O, 20 °C)
Bulk density 1000 – 1200 kg/m3
Solubility 650 g/l

Toxicological Information
LD 50 oral LD50 Rat 1540 mg/kg
LD 50 dermal LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H302: Harmful if swallowed.
H318: Causes serious eye damage.
EUH031: Contact with acids liberates toxic gas.
Precautionary Statement(s) P264: Wash skin thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P280: Wear eye protection/ face protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word Danger
RTECS UX8225000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.

Safety Information
Categories of danger harmful, irritant

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

Assay (iodometric) 98.0 – 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 3.5 – 5.0
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
Thiosulfate (S₂O₃) ≤ 0.05 %
passes test
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0001 %
Fe (Iron) ≤ 0.0005 %
Para Birimi
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