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Intrustrial Grade Sulfur Dioxide As A Preservative DOT Certification

Wuhan Newradar Special Gas Co.,Ltd

Intrustrial Grade Sulfur Dioxide As A Preservative DOT Certification

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Brand Name : Newradar Gas

Model Number : N/A

Certification : ISO/DOT/GB

Place of Origin : China

MOQ : 2pcs

Price : negotiation

Payment Terms : L/C, , T/T, Western Union, MoneyGram

Supply Ability : 10000 pcs per month

Delivery Time : 25 working days after received your payment

Packaging Details : Packed in 40L-926L cylinder or packed according to the demands.

Product Name : Sulfur Dioxide

Purity : 99.9%

CAS No. : 94336-28-4

EINECS No. : 231-195-2

Molar mass : 64.066 g mol−1

Application : As A Preservative

Cylinder volume : 40L, 80L, 100L, 400L, 800L and 926L

UN No. : 1079

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Intrustrial Grade Sulfur Dioxide As A Preservative DOT Certification

Description:

On both Venus and Mars, its primary source, like on Earth, is thought to be volcanic. The atmosphere of Io is 90% sulfur dioxide and trace amounts are thought to also exist in the atmosphere of Jupiter. As an ice, it is thought to exist in abundance on the Galilean moons.

Sulfur dioxide is primarily produced for sulfuric acid manufacture. In the United States in 1979, 23.6 million tonnes of sulfur dioxide were used in this way, compared with 150 thousand tonnes used for other purposes. Most sulfur dioxide is produced by the combustion of elemental sulfur. Some sulfur dioxide is also produced by roasting pyrite and other sulfide ores in air.

Sulfur dioxide is the product of the burning of sulfur or of burning materials that contain sulfur.
To aid combustion, liquefied sulfur (140–150 °C) is sprayed through an atomizing nozzle to generate fine drops of sulfur with a large surface area. The reaction is exothermic, and the combustion produces temperatures of 1000–1600 °C.

Specifications:

1. Physical properties

Commodity

Sulfur Dioxide

Molecular Formula SO2
CAS No.

94336-28-4

UN No.

UN1079

Hazardous class for transort 2.3

2. Typical technical data (COA)

Specification Unit Certified Concentration Newradar SO2
SO2 % ≥99.90 ≥99.92
Residue % ≤0.040 ≤0.036
Moisture(H2O) % ≤0.060 ≤0.044
Appearance Slightly Yellow Colorless

3. Package

Cylinder Size Filling Weight (kg)

Valve Type

100ltr 98 QF-10
400ltr 390 QF-10
800ltr 784 QF-10
926ltr 900 QF-10

Applications:

Precursor to sulfuric acid Sulfur dioxide is an intermediate in the production of sulfuric acid, being converted to sulfur trioxide, and then to oleum, which is made into sulfuric acid. Sulfur dioxide for this purpose is made when sulfur combines with oxygen. The method of converting sulfur dioxide to sulfuric acid is called the contact process. Several billion kilograms are produced annually for this purpose
As a preservative Sulfur dioxide is sometimes used as a preservative for dried apricots, dried figs, and other dried fruits, owing to its antimicrobial properties, and is called when used in this way in Europe. As a preservative, it maintains the colorful appearance of the fruit and prevents rotting. It is also added to sulfured molasses
In winemaking Sulfur dioxide was used by the Romans in winemaking, when they discovered that burning sulfur candles inside empty wine vessels keeps them fresh and free from vinegar smell
As a reducing agent Sulfur dioxide is also a good reductant. In the presence
of water, sulfur dioxide is able to decolorize substances. Specifically, it is a
useful reducing bleach for papers and delicate materials such as clothes
Biochemical and biomedical roles Sulfur dioxide is toxic in large amounts. It or its conjugate base bisulfite is produced biologically as an intermediate in both sulfate-reducing organisms and in sulfur-oxidizing bacteria, as well. The role of sulfur dioxide in mammalian biology is not yet well understood
As a refrigerant Being easily condensed and possessing a high heat of
evaporation, sulfur dioxide is a candidate material for refrigerants. Prior to the
development of chlorofluorocarbons, sulfur dioxide was used as a
refrigerant in home refrigerators
As a reagent and solvent in the laboratory Sulfur dioxide is a versatile inert solvent widely used for dissolving highly oxidizing salts. It is also used occasionally as a source of the sulfonyl group in organic synthesis
Proposed use in climate engineering Injections of sulfur dioxide in the
stratosphere has been proposed in climate engineering
As an air pollutant Sulfur dioxide is a noticeable component in the atmosphere, especially following volcanic eruptions.

Intrustrial Grade Sulfur Dioxide As A Preservative DOT Certification


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