Acrylic acid
- 中文名称:丙烯酸
- CAS:79-10-7
- UN Code:2218
- Individual Weight:200kg
- EINECS:201-177-9
- HS Code:
- Purity:99.9%
Description
Acrylic acid is the simplest unsaturated carboxylic acid. It is a colorless transparent liquid at room temperature with a strong pungent and acrid odor. It is prone to spontaneous polymerization. Industrial products require the addition of a polymerization inhibitor (such as monomethyl ether hydroquinone) to maintain stability.
Physical & Chemical Properties
- Molecular FormulaC3H4O2
- Density:1.05g/cm³g/cm³
- Boiling Point:141℃
- Molecular Weight:72.07g/mol
- Flash Point:48-55℃
- Melting Point:14℃
Safety, Security & Risk
Physical Hazards
In the absence of polymerization inhibitors, the vapor may polymerize in vents or flame arresters of storage tanks, resulting in blockage.
Chemical Hazards
The substance readily polymerizes when heated, or under the action of light, oxygen, oxidizing agents (e.g., peroxides), or other activators (acids, iron salts), posing a risk of fire or explosion.Upon heating, it decomposes and emits toxic fumes.The substance is a moderately strong acid.It reacts violently with strong bases and amines.It corrodes many metals including nickel and copper.
In the absence of polymerization inhibitors, the vapor may polymerize in vents or flame arresters of storage tanks, resulting in blockage.
Chemical Hazards
The substance readily polymerizes when heated, or under the action of light, oxygen, oxidizing agents (e.g., peroxides), or other activators (acids, iron salts), posing a risk of fire or explosion.Upon heating, it decomposes and emits toxic fumes.The substance is a moderately strong acid.It reacts violently with strong bases and amines.It corrodes many metals including nickel and copper.
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