Disodium dithionite

Basic Information

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CAS Number

7775-14-6

Molecular Formula

Na2O4S2

Molecular Weight

174.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

300 ºC (dec.)

Boiling Point

1390°C

Density

2.13

Water Solubility

250 g/L (20 ºC)

Flash Point

>100°C o.c.

Solubility

250 g/L (20°C)

SMILES

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[O-]S(=O)S(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2

InChIKey

JVBXVOWTABLYPX-UHFFFAOYSA-L

LogP

0.39100

Complexity

60.5

Safety Information

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GHS Hazard Pictograms

H251

H302

Hazard Statement

H251 Self-heating; may catch fire
Self-heating substances and mixtures

H302 Harmful if swallowed
Acute toxicity, oral

Hazard Class

Class 4.2 Class 4.2

Stability

Stable, but air sensitive. Incompatible with strong acids, strong oxidizing agents, water, moisture.

Sensitiveness

Moisture Sensitive

Synonyms & References

English

Sodium hydrosulfite
dithionous acid disodium salt
HYDROSULFITE
SODIUM DITHIONITE
SODIUM HYDROSULPHITE
SODIUM HYPODISULFITE
SODIUM HYPOSULFITE
blankit
burmol
disodiumdithionite
disodiumhydrosulfite
hydros
sodiumdithionite[na2(s2o4)]
sodiumhydrosulfite(na2s2o4)
sodiumsulfoxylate
vatrolite
v-briteb
HYDROSULPHITE OF SOD
SODIUM HYDR
SODIUM DITHIONITE, EXTRA PURE
Sodium Dithionite
Sodium Hypodisulfite
Dithionous acid disodium salt
Sodium hypodisulfite

MDL Number

MFCD00011640

Customs Code

2831101000

FAQ

What is Disodium dithionite (CAS: 7775-14-6)?

Disodium dithionite, with the chemical formula Na2S2O4, is a sodium salt of dithionite. It is a white crystalline powder that is highly soluble in water. This compound is known for its reducing properties and is commonly used in various chemical processes. It has a CAS number of 7775-14-6 and is often referred to as sodium dithionite in industrial contexts.

What are the main uses of Disodium dithionite (CAS: 7775-14-6)?

Disodium dithionite (CAS: 7775-14-6) is widely used in pharmaceuticals for reducing agents in drug synthesis, in the textile industry for bleaching and dyeing, and in food processing as a preservative. It also finds applications in research for analytical chemistry and in water treatment for removing heavy metals. Its versatility makes it a valuable compound in multiple sectors.

Is Disodium dithionite (CAS: 7775-14-6) safe?

Disodium dithionite (CAS: 7775-14-6) can be hazardous if mishandled. It is toxic by inhalation and skin contact, and may irritate the eyes and respiratory system. Proper personal protective equipment (PPE) should be used when handling this compound. It is classified under safety standards for chemical handling and should be stored and used according to guidelines to ensure safety.

How should Disodium dithionite (CAS: 7775-14-6) be stored?

Disodium dithionite (CAS: 7775-14-6) should be stored in a cool, dry, and well-ventilated area, away from moisture and light. It is typically kept in airtight containers to maintain stability and prevent degradation. Avoid exposure to air and heat to ensure long-term storage safety and effectiveness.