Industrial Grade ACETIC ACID

Acetic acid (also called acetic acid, glacial acetic acid, or the formula CH COOH) is an organic mono acid that ₃ is the source of the acidity and pungent odor in vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic liquid with a freezing point of 16.7 ° C (62 ° F) and becomes a colorless crystal upon solidification. Although acetic acid is a weak acid based on its ability to dissociate in aqueous solutions, acetic acid is corrosive and its vapors are irritating to the eyes and nose.

Basic component
acetic acid, a saturated carboxylic acid containing two carbon atoms, is an important oxy-containing derivative of hydrocarbons. The molecular formula C2H4O₂, the structural formula CH₃COOH, and the HAC are abbreviated. The functional group of the structural formula is a carboxyl group and CAS number is 64-19-7. Because it is the main component of vinegar, also known as acetic acid. In fruits or vegetable oils, for example, mainly in the form of esters of their compounds; It is present as free acid in the tissues, feces, and blood of animals. Ordinary vinegar contains 3% to 5% acetic acid. Acetic acid is a colorless liquid with a strong pungent odor. The relative molecular weight is 60.05, the melting point is 16.6 ℃, the boiling point is 117.9 ℃, the relative density is 1.0492(20/4℃), the density is higher than that of water, the refractive index is 1.3716. Pure acetic acid can form an ice-like solid at below 16.6 ° C, so it is often called glacial acetic acid. Soluble in water, ethanol, ether and carbon tetrachloride. When water is added to acetic acid, the total volume becomes smaller and the density increases until the molecular ratio is 1:1, corresponding to the formation of mono-acid CH3C (OH) ₃, which is further diluted and no longer changes in volume.

Physical property
Relative density (water is 1) : 1.050

Relative molecular weight: 60.05

Freezing point (℃) : 16.6

Boiling point (℃) : 117.9

Viscosity (mPa.s) : 1.22 (20℃)

Vapor pressure at 20℃ (KPa) : 1.5

Appearance and smell: Colorless liquid with a pungent vinegar taste.

Solubility: Soluble in water, ethanol, ether, carbon tetrachloride and glycerol and other organic solvents.

Compatibility: Material: strong corrosion to metal after dilution, 316# and 318# stainless steel and aluminum can be used as good structural materials.

National product standard number: GB/T 676-2007

Acetic acid at room temperature is a colorless liquid with a strong irritating sour taste. The melting point of acetic acid is 16.6℃ (289.6 K). Boiling point 117.9℃ (391.2 K). The relative density is 1.05, the flash point is 39℃, and the explosion limit is 4% ~ 17% (volume). Pure acetic acid will freeze into ice-like crystals below the melting point, so anhydrous acetic acid is also called glacial acetic acid. Acetic acid is soluble in water and ethanol, and its aqueous solution is weakly acidic. Acetate is also easily soluble in water, and the aqueous solution is alkaline.

Safety information
Packing grade: II
Danger category: 8
Customs Code: 29152100
Dangerous Goods transport code: UN17928/PG2
WGKGermany: 3
Danger category code: R10; R35
Safety Description: S26-S36/37/39-S45-S23-S24/25
RTECS number: NN1650000
Dangerous goods mark :C :Corrosive

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