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Sodium metabisulfite

Molecular FormulaNa₂O₅S₂
Average mass190.107 Da
Monoisotopic mass189.898254 Da
ChemSpider ID571015

- Charge

More details:

Names and Synonyms
Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Sodium metabisulfite [Wiki]

231-673-0 [EINECS]

4VON5FNS3C

7681-57-4 [RN]

Dinatriumoxidosulfansulfonatoxid [German] [ACD/IUPAC Name]

Disodium oxidosulfanesulfonate oxide [ACD/IUPAC Name]

Disodium pyrosulfite

E223

MFCD00167602 [MDL number]

Natrii metabisulfis

More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

13459_RIEDEL [DBID]

161519_SIAL [DBID]

255556_SIAL [DBID]

31448_RIEDEL [DBID]

D02054 [DBID]

LS-2427 [DBID]

Experimental data
Predicted - ACD/Labs
Predicted - ChemAxon

Experimental Physico-chemical Properties

Experimental Melting Point:

150 °C Wikidata Q284549

300 °C Oakwood 044703, 099297

Experimental Solubility:

Experimental Density:

Miscellaneous

Appearance:

White to yellowish crystals or powder with an odor of sulfur dioxide. NIOSH UX8225000

Safety:

First-Aid:

Eye: Irrigate immediately Breathing: Fresh air Swallow: Medical attention immediately NIOSH UX8225000
Exposure Routes:

inhalation, ingestion, skin and/or eye contact NIOSH UX8225000
Symptoms:

Irritation eyes, skin, mucous membrane NIOSH UX8225000
Target Organs:

Eyes, skin, respiratory system NIOSH UX8225000
Incompatibility:

Heat (decomposes) [Note: Slowly oxidized to the sulfate on exposure to air & moisture.] NIOSH UX8225000
Personal Protection:

Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation NIOSH UX8225000
Exposure Limits:

NIOSH REL : TWA 5 mg/m 3 OSHA PEL ?: none NIOSH UX8225000
Chemical Class:

An inorganic sodium salt composed of sodium and disulfite ions in a 2:1 ratio. ChEBI CHEBI:114786

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

No predicted properties have been calculated for this compound.

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors:
#H bond donors:
#Freely Rotating Bonds:
#Rule of 5 Violations:

ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area:
Polarizability:
Surface Tension:
Molar Volume:

Click to predict properties on the Chemicalize site

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Sodium metabisulfite

More details:

Experimental Melting Point:

Experimental Solubility:

Experimental Density:

Appearance:

Safety:

First-Aid:

Exposure Routes:

Symptoms:

Target Organs:

Incompatibility:

Personal Protection:

Exposure Limits:

Chemical Class:

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