7681-57-4

  • Product Name:Sodium metabisulfite
  • Molecular Formula:2Na.O5S2
  • Purity:99% purity
  • Appearance:White to slightly yellow power
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Product Details

Appearance:White to slightly yellow power

Throughput:100|Kilogram|Month

pd_productuse:intermediate

Delivery Time:large stock

Purity:99% purity

Sodium metabisulfite Chemical Properties
Melting point     >300 °C (lit.)
density     1.48
storage temp.     Store at RT.
solubility     540 g/L (20°C)
form     Powder/Solid
color     White to slightly yellow
Specific Gravity    1.48
Odor    Sulphorous
PH    3.5-5 (50g/l, H2O, 20℃)
PH Range    4.5 at 50 g/l at 20 °C
Water Solubility     540 g/L (20 ºC)
Sensitive     Air & Moisture Sensitive
Merck     14,8638
Stability:    Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
InChIKey    HRZFUMHJMZEROT-UHFFFAOYSA-L
CAS DataBase Reference    7681-57-4(CAS DataBase Reference)
EPA Substance Registry System    Sodium metabisulfite (7681-57-4)

Safety Information
Hazard Codes     Xn,Xi
Risk Statements     22-31-41-36/37/38-52
Safety Statements     26-39-46-36-16
RIDADR     3260
WGK Germany     1
RTECS     UX8225000
TSCA     Yes
HS Code     2832 10 00
PackingGroup     III
Hazardous Substances Data    7681-57-4(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: 1540 mg/kg LD50 dermal Rat > 2000 mg/kg