cis-Hexahydrophthalic anhydride - Names and Identifiers
cis-Hexahydrophthalic anhydride - Physico-chemical Properties
Molecular Formula | C8H10O3
|
Molar Mass | 154.16 |
Density | 1.236g/cm3 |
Melting Point | 29-32℃ |
Boling Point | 283.351°C at 760 mmHg |
Flash Point | 143.909°C |
Solubility | Soluble in benzene, acetone, etc. |
Vapor Presure | 0.003mmHg at 25°C |
Appearance | White-like crystal |
Storage Condition | Room Temprature |
Sensitive | Hygroscopic |
Refractive Index | 1.502 |
MDL | MFCD00005926 |
Use | Intermediates, used in coatings, curing agents for epoxy resins, adhesives, plasticizers, etc. |
cis-Hexahydrophthalic anhydride - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R41 - Risk of serious damage to eyes
R42/43 - May cause sensitization by inhalation and skin contact.
|
Safety Description | S23 - Do not breathe vapour.
S24 - Avoid contact with skin.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
|
cis-Hexahydrophthalic anhydride - Introduction
Cis-cyclohexane -1, 2-dicarboxylic anhydride, also known as cis-cyclohexanediester, chemical formula C8H10O3, is an organic compound.
Nature:
cis-cyclohexane -1, 2-dicarboxylic acid anhydride is a colorless to light yellow solid with a special ester odor. It is soluble in organic solvents such as ethanol, ethers and chlorinated hydrocarbons and insoluble in water.
Use:
Cis-cyclohexane -1, 2-dicarboxylic anhydride can be used as an important intermediate in organic synthesis. It can be used to prepare various organic compounds, such as drugs, dyes, fragrances, etc. In addition, it is also used in the synthesis of coatings, plastics and resins.
Preparation Method:
The preparation of cis-cyclohexane -1,2-dicarboxylic anhydride can be obtained by esterification reaction of cis-lactic acid and anhydride. The reaction is usually carried out using an acid catalyst such as sulfuric acid or benzoic acid as the catalyst.
Safety Information:
Cis-cyclohexane -1, 2-dicarboxylic anhydride may be irritating to the eyes, skin and respiratory tract, so avoid contact with the skin or inhalation of its vapors during handling. Wear appropriate protective equipment such as gloves, goggles and gas masks during use. At the same time, it should be operated in a well-ventilated place, and away from fire and flammable materials. In case of contact or aspiration, seek medical assistance immediately.
Last Update:2024-04-09 21:11:58