GLACIAL ACRYLIC ACID

Product catalog summary

Introduction
Glacial Acrylic Acid (GAA) is a chemical compound with the CAS number 79-10-7 and EINECS number 201-177-9. It is also known as 2-Propenoic acid and has a molecular weight of 72.

Specifications
The specifications for GAA include a clear liquid appearance at temperatures above 13°C, a maximum color of 10 APHA, a purity of at least 99.5% by gas-phase chromatography, a maximum water content of 0.1%, a dimer content of 2000 ppm maximum, and an inhibitor content of 180 to 220 ppm MEHQ.

Handling and Safety
It is advised to read the safety data sheet carefully. GAA is corrosive and should be stored in glass, stainless steel, or polyethylene containers. It should be stored at temperatures between 18 to 25°C to prevent crystallization and ensure proper distribution of the stabilizer. The product is guaranteed for one month after delivery under these conditions.

Main Physical Characteristics
GAA has a boiling point of 141.3°C at 1013 mbar, a freezing point of 13°C, and a specific gravity of 1.049 at 20°C. It is infinitely soluble in water at 20°C and has a flash point of 54°C in a closed cup. The auto-ignition temperature is 429°C.

Chemical Properties
GAA can form salts, anhydrides, acid chlorides, and esters. It undergoes addition, cyclization, polymerization, and copolymerization reactions. Specific copolymerization reactivity ratios with styrene and methyl methacrylate are provided.

Packaging and Storage
GAA is delivered in stainless steel road tank cars or polyethylene drums. It should be stored away from light and under an air atmosphere to activate the stabilizer. If crystallization occurs, the product should be warmed slowly without exceeding 25°C to avoid exothermic polymerization.

Uses
Acrylic acid polymers and copolymers are used in a wide range of applications, including dispersing agents, thickeners, flocculating agents, detergent auxiliaries, organic synthesis, paints, varnishes, inks, textiles, adhesives, cleaning products, plastics, synthetic resins, and rubbers.

Disclaimer
The information is based on trials and literature data and does not constitute a warranty or commitment from Arkema. The product must be used in accordance with relevant laws and regulations.

Catalog excerpts

GLACIAL ACRYLIC ACID EINECS number : 201-177-9 CHEMICAL FORMULA OTHER NAME 2-Propenoic acid Appearance (at > 13°C) Colour (APHA) Purity by gas-phase chromatography Water content Dimer content (ex works) Inhibitor content (MEHQ) Clear liquid 10 maximum 99.5 % minimum 0.1 % maximum 2000 ppm maximum 180 to 220 ppm HANDLING AND SAFETY ADVISES We advise you to read carefully the safety data sheet.

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Glacial Acrylic Acid MAIN PHYSICAL CHARACTERISTICS Acrylic acid is delivered : - in stainless steel road tankcars, capacity 25000 to 32000 litres - in polyethylene drums loaded at 200 Kg. Specific gravity The standard inhibition is 200 ppm Monomethyl Ether of HydroQuinone (MEHQ). Acrylic acid should be stored in a place with a temperature range of 18 to 25°C, to prevent any crystallisation (freezing point = 13°C), and to ensure proper distribution of stabiliser. With this inhibitor, the product should be stored indoors at a temperature of no more than 25°C and away from light. It must also be...

Open the catalog to page 2

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