POTASSIUM METABISULFITE

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POTASSIUM METABISULFITE

Product Name: POTASSIUM METABISULFITE
CAS No.: 16731-55-8
Chemical Name: POTASSIUM METABISULFITE
Synonyms: E224;Peptide Powder;Dikaliumdisulfit;PubChem ID: 28019;POTASSIUM DISULFITE;POTASSIUM BISULFITE;dipotassiumdisulfite;POTASSIUM METABISULF;POTASSIUM BISULPHITE;POTASSIUM DISULPHITE
CBNumber: CB5179482
Molecular Formula: K2O5S2
Formula Weight: 222.32
MOL File: 16731-55-8.mol

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POTASSIUM METABISULFITE Property

Melting point:: 190°C
Density: 2.34 g/cm³
vapor density: 2.3 (vs air)
storage temp.: Store at +5°C to +30°C.
solubility: H₂O: 0.1 M at 20 °C, clear, colorless
form: Powder/Solid
color: White to slightly yellow
Specific Gravity: 2.3
Odor: Odorless
PH Range: 3-4.5 at 22.2 g/l at 25 °C
PH: 2.5-4.5 (25℃, 0.1M in H2O)
Water Solubility: Soluble in water. Insoluble in ethanol.
Sensitive: Air Sensitive
λmax: 267nm(H2O)(lit.)
Decomposition: 150°C
Merck: 14,7645
EPA Substance Registry System: Disulfurous acid, potassium salt (1:2) (16731-55-8)

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Safety

Hazard Codes: Xi
Risk Statements: 31-36/37/38-41
Safety Statements: 26-36-39
WGK Germany: 1
RTECS: TT4920000
F: 23
TSCA: Yes
HS Code: 28322000
Hazardous Substances Data: 16731-55-8(Hazardous Substances Data)
Toxicity: LD50 orally in Rabbit: 2300 mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 55777
Product name: Potassium disulfite
Purity: analytical standard
Packaging: 1g
Price: $58.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05057
Product name: Potassium disulfite
Purity: foranalysisEMSURE?
Packaging: 500g
Price: $76.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05057
Product name: Potassium disulfite
Purity: foranalysisEMSURE?
Packaging: 1kg
Price: $120
Updated: 2024/03/01

Sigma-Aldrich

Product number: 12619
Product name: Potassium disulfite
Purity: ≥99% (HPLC)
Packaging: 1kg
Price: $75.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05057
Product name: Potassium disulfite
Purity: foranalysisEMSURE?
Packaging: 2.5kg
Price: $238
Updated: 2024/03/01

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POTASSIUM METABISULFITE Chemical Properties,Usage,Production

Chemical Properties

White to slightly yellowish fine cryst. powder

Chemical Properties

Potassium metabisulfite occurs as white or colorless free-flowing crystals, crystalline powder, or granules, usually with an odor of sulfur dioxide.

Uses

Potassium Metabisulfite is a chemical preservative and antioxi- dant obtained as white or colorless crystals, powder, or granules. it is soluble in water and insoluble in alcohol. the sulfite salt yields sulfurous acid at a low ph. it is used as a food preservative.

Uses

Potassium Metabisulfite (2:1) is used as a chemical preservative.

Uses

As antifermentative in breweries and wineries; bleaching straw; preservative for fruits and vegetables.

General Description

Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods.

Pharmaceutical Applications

Potassium metabisulfite is used in applications similar to those of sodium metabisulfite in pharmaceuticals, and in the food, brewing, and wine making industries. It is used as an antioxidant, antimicrobial preservative and sterilizing agent.

Contact allergens

Potassium metabisulfite is an antioxidant used as an antifermentative agent in breweries and wineries, as a preservative of fruits and vegetables, and to bleach straw. Reactions to both sodium and potassium metabisulfite are expected.

Safety Profile

Experimental reproductive effects. A very irritating material. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of SOx and K2SO3. See also SULFITES.

Safety

Potassium metabisulfite is used in a variety of foods and pharmaceutical preparations, including oral, otic, rectal, and parenteral preparations. Potassium metabisulfite is considered a very irritating material, and may cause dermatitis on exposed skin.
Hypersensitivity reactions to potassium metabisulfite and other sulfites, mainly used as preservatives in food products, have been reported. Reactions include bronchospasm and anaphylaxis; some deaths have also been reported, especially in those with a history of asthma or atopic allergy.These reactions have led to restrictions by the FDA on the use of sulfites in food applications. However, this restriction has not been extended to their use in pharmaceutical applications. Indeed, epinephrine (adrenaline) injections used to treat severe allergic reactions may contain sulfites.
The WHO has set an acceptable daily intake of sulfites, as SO₂, at up to 0.35 mg/kg body-weight.

storage

Potassium metabisulfite should be stored in a cool, dark place. When stored at a maximum temperature of 25°C and maximum relative humidity of 45%, the shelf-life is 6 months. Potassium metabisulfite decomposes at temperatures above 150°C. In the air, it oxidizes to the sulfate, more readily in the presence of moisture.
In aqueous solution, potassium metabisulfite forms potassium bisulfite (KHSO₃) which exerts a strong reducing effect.

Incompatibilities

Potassium metabisulfite is incompatible with strong acids, water, and most common metals. It reacts with nitrites and sodium nitrate at room temperature, which occasionally results in the formation of flame. The reaction may be explosive if water is present. Potassium metabisulfite liberates SO₂ with acids.
Sulfites, including potassium metabisulfite, can react with various pharmaceutical compounds including sympathomimetics such as epinephrine (adrenaline),chloramphenicol,cisplatin, and amino acids,which can result in their pharmacological inactivation. Sulfites are also reported to react with phenylmercuric nitrate,and may adsorb onto rubber closures.

Regulatory Status

GRAS listed. Accepted in Europe for use as a food additive in certain applications. Included in the FDA Inactive Ingredients Database (IM and IV injection; otic and rectal solutions and suspensions). Included in the Canadian List of Acceptable Nonmedicinal Ingredients.

POTASSIUM METABISULFITE Preparation Products And Raw materials

Raw materials

POTASSIUM HYDROGEN SULFITE Potassium bicarbonate Potassium bisulfate Potassium sulfate

Preparation Products

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View Lastest Price from POTASSIUM METABISULFITE manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: POTASSIUM METABISULFITE 16731-55-8
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 100tons
Release date: 2023-09-05

Hebei Guanlang Biotechnology Co., Ltd.

Product: POTASSIUM METABISULFITE 16731-55-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2022-09-28

Shaanxi Dideu Medichem Co. Ltd

Product: PotassiuM Metabisulfite 16731-55-8
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20T
Release date: 2020-05-19

16731-55-8, POTASSIUM METABISULFITERelated Search:

Acetylene Coenzyme Q10 Potassium trifluoromethanesulfonate FOOD ADDITIVES Methanol Sodium metabisulfite Dibutyl phthalate 2-Chloroaniline Benzoic acid Aniline Potassium tert-butoxide POTASSIUM PEROXYMONOSULFATE Potassium trimethylsilanolate Potassium trifluoro(iodomethyl)borate Potassium phosphate tribasic Potassium sodium tartrate tetrahydrate PotassiuM triMethylacetate, 95% Potassium thioacetate

dipotassiumdisulfite

dipotassiummetabisulfite

Disulfurousacid,dipotassiumsalt

potassiummetabisulphate

pyrosulfurousacid,dipotassiumsalt

POTASSIUM METABISULFITE REAGENT

POTASSIUMMETABISULFITE,CRYSTAL,FCC

POTASSIUMMETABISULFITE,CRYSTAL,NF

POTASSIUMMETABISULFITE,CRYSTAL,REAGENT

POTASSIUMPYROSULPHITE

Dikaliumdisulfit

Potassium metabisulfite, 95+%

Potassium Metabisulfite, granular

Potassium disulfite, 95% min

Potassium metabisulfite, Potassium pyrosulfite

Potassium Metabisulfite, Crystal

potasslum metabisutfite for food：potassium pyrosulfite for food

potassium pyrosuifite

Potassium metabisulfide

E224

Potassium disulfite, reagent grade

Potassium disulfite, extra pure, USP, NF

Potassium disulfite, extra pure, NF, Ph Fran, E 224

Potassium disulfite/ 95+%

POTASSIUM METABISULF

PotassiuM Metabisulfite, extra pure, 97% 25GR

Potassium metabisulfite,97%,extra pure

POTASSIUM DISULFITE FOR ANALYSIS EMSURE

Disulfurous acid,potassiuM salt (1:2)

Potassium metasulfite

PubChem ID: 28019

POTASSIUM META-BISULFITE XTL

POTASSIUM PYROSULFITE

POTASSIUM M-BISULFITE

POTASSIUM METABISULFITE

POTASSIUM METABISULPHITE

POTASSIUM DISULFITE

POTASSIUM BISULFITE

POTASSIUM BISULPHITE

DI-POTASSIUM DISULPHITE

DIPOTASSIUM PYROSULFITE

POTASIUM METABISULFITE

POTASSIUM DISULFITE POWDER, EXTRA PURE, N. F., E 224

POTASSIUM DISULFITE POWDER, R. G.

PotassiumDisulfitemetabisulphite

PotassiumMetabisulphiteFcc

PotassiumMetabisulphiteNf

PotassiumMetabisulfite97%

PotassiumMetabisulphite>95%

PotassiumMetabisulphiteGr

POTASSIUM PYROSULFITE (K2S2O5)

Potassium disulfite >=98%

Potassium disulfite puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide

Potassium disulfite Vetec(TM) reagent grade, 98%

POTASSIUM DISULPHITE

Potassium metabisulfite, extra pure, 97%

Potassium Disulfite 〔Potassium Pyrosulfite〕

Potassium Disulfite, Meets analytical specification of Ph.Eur.BP, NF, FCC