Sodium sulfite 7757-83-7 Na2O3S
Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013. Our STPP and SHMP has reached an annual output of 30000 tons and has successfully passed SGS, CIQ audits on many occasions.
In 2011 we entered the fine chemical market of Noble Metal Catalyst ,Organic Phosphine Ligands and OLED intermediates.With the joint efforts of our senior experts and professional technicians, Newblue has developed more than 500 compounds, which are widely used in the fields of production and life science. The objective of the company is to put quality first and put our customer’s needs first - the satisfaction of our customers is the company's ultimate goal. Improving product quality and service level is our responsibility, and creating more value for our customer’s is our purpose. We are constantly striving to make Henan Newblue a leading chemical supplier, and hope to create a better future with you.
Sodium sulfite Basic information |
Product Name: | Sodium sulfite |
Synonyms: | Sodium sulfite anhydrous;SODIUM SULFITE, EXSICCATED;SODIUM SULPHITE;anhydroussodiumsulfite;disodiumsulfite;exsiccatedsodiumsulfite;natriisulphis;natriumsulfid |
CAS: | 7757-83-7 |
MF: | Na2O3S |
MW: | 126.04 |
EINECS: | 231-821-4 |
Product Categories: | Inorganic Chemicals;Inorganics;Water Ttreatment Chemicals;Analytical Reagents for General Use;Puriss p.a.;Q-S, Puriss p.a.;Disulfide Bridge Cleavage Reagents;AlphabeticalBiochemicals and Reagents;Biochemicals and Reagents;Denaturation;Inorganic Salts;Synthetic Reagents;Essential Chemicals;Reagent Grade;Routine Reagents;ACS GradeBiochemicals and Reagents;Disulfide Bridge Cleavage ReagentsSynthetic Reagents;inorganic compound;Paper, glass, printing and dyeing |
Mol File: | 7757-83-7.mol |
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Sodium sulfite Chemical Properties |
mp | 500 °C |
density | 2.63 |
refractive index | 1,484 |
storage temp. | Store at RT. |
solubility | H2O: 1 M at 20 °C, clear, colorless |
Water Solubility | 23 g/100 mL (20 ºC) |
Sensitive | Hygroscopic |
Merck | 14,8682 |
Stability: | Stable. Incompatible with strong acids. Moisture and air sensitive. |
CAS DataBase Reference | 7757-83-7(CAS DataBase Reference) |
NIST Chemistry Reference | sodium sulfite(7757-83-7) |
Safety Information |
Hazard Codes | Xn |
Risk Statements | 31-36/37/38-22-40-36/38 |
Safety Statements | 24/25-36-26-22 |
WGK Germany | 1 |
RTECS | WE2150000 |
F | 3-10 |
HS Code | 28321000 |
Hazardous Substances Data | 7757-83-7(Hazardous Substances Data) |
MSDS Information |
Provider | Language |
---|---|
Sodium sulfite | English |
SigmaAldrich | English |
ACROS | English |
ALFA | English |
Sodium sulfite Usage And Synthesis |
Chemical Properties | white crystals or powder |
General Description | White odorless powder. Density 2.633 g / cm3. Moderately toxic. Sinks in water and dissolves slowly. Also transported as a heptahydrate Na2SO3.7H2O. |
Air & Water Reactions | Soluble in water. Reacts with hot water, steam or acids to produce corrosive material. |
Reactivity Profile | Sodium sulfite is a reducing agent, particularly under basic conditions. Reacts with oxidizing agents such as peroxides, epoxides, oxoacids. Emits toxic fumes of sodium oxide and oxides of sulfur if heated to decomposition [Lewis, 3rd ed., 1993, p. 1174]. |
Health Hazard | When ingested, solutions cause gastric irritation by the liberation of sulfurous acid. Because of rapid oxidation to sulfate, sulfites are well tolerated until large doses are reached; then violent colic and diarrhea, circulatory disturbances, central nervous depression, and death can occur. |
Fire Hazard | Literature sources indicate that Sodium sulfite is noncombustible. |
Sodium sulfite Preparation Products And Raw materials |
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