ChemicalBook CAS DataBase List Sodium metabisulfite

Sodium metabisulfite

$10 - $4690

Product nameSodium metabisulfite
Cas No7681-57-4
MFH2O5S2.2Na
MW192.12
EINECS231-673-0
MDL NumberMFCD00213787

Synonyms

Sodium metabisulfite, SO<sub>2</sub> 58.5% min;disodiummetabisulfite ;disodiumpyrosulphite ;fertisilo ;metabisulfitedesodium ;SodiumMetabisulphiteAcs;SodiumMetabisulphiteExtraPure;SodiumMetabisulfite(Tech/FoodGrade)

Price

Brand	Packaging	Price	Product name
AK Scientific K325	100g	$27	Sodium metabisulfite
Alfa Aesar A17351	500g	$28.9	Sodium metabisulfite, 97%
Alfa Aesar 033375	500g	$21.65	Sodium metabisulfite, SO₂ 58.5% min
Alfa Aesar 040115	500g	$42.1	Sodium metabisulfite, ACS, 97% min
Alfa Aesar 033375	2kg	$44.65	Sodium metabisulfite, SO₂ 58.5% min
Alfa Aesar A17351	2500g	$66.8	Sodium metabisulfite, 97%
Alfa Aesar 040115	2.5kg	$121.65	Sodium metabisulfite, ACS, 97% min
Alfa Aesar A17351	10000g	$192	Sodium metabisulfite, 97%
Chem-Impex 01629	25KG	$279.55	Sodiummetabisulfite,≥97.0%(Titration),ACSreagent
Chem-Impex 01629	5KG	$75.71	Sodiummetabisulfite,≥97.0%(Titration),ACSreagent

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Properties

Melting point	>300 °C (lit.)
Density	1.48
storage temp.	Store at +5°C to +30°C.
solubility	540 g/L (20°C)
form	Powder/Solid
Specific Gravity	1.48
color	White to slightly yellow
Odor	Sulphorous
PH Range	4.5 at 50 g/l at 20 °C
PH	3.5-5 (50g/l, H2O, 20℃)
Water Solubility	540 g/L (20 ºC)
Sensitive	Air & Moisture Sensitive
Merck	14,8638
Exposure limits	ACGIH: TWA 5 mg/m3 NIOSH: TWA 5 mg/m3
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)

Sodium metabisulfite

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