The 4-Chloroformylphthalic anhydride with cas registry number of 1204-28-0 has an appearance of white crystalline solid. It is also known as 1,2,4-Benzenetricarboxylic anhydride acid chloride; Benzene-1,2,4-tricarboxylic 1,2-anhydride 4-chloride; Trimellitic anhydride acid chloride; TMAC. Both systematic name and IUPAC name are the same which is called 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride. This chemical belongs to the categories in Fluorenes, etc. (reagent for high-performance polymer research); Functional Materials; Reagent for High-Performance Polymer Research with EINECS registry number of 214-874-8.

The Physical properties about this chemical are: (1)ACD/LogP: 1.59; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.59; (4)ACD/LogD (pH 7.4): 1.59; (5)ACD/BCF (pH 5.5): 9.53; (6)ACD/BCF (pH 7.4): 9.53; (7)ACD/KOC (pH 5.5): 174.83; (8)ACD/KOC (pH 7.4): 174.83; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.63; (13)Molar Refractivity: 45.92 cm³; (14)Molar Volume: 128.9 cm³; (15)Surface Tension: 64.5 dyne/cm; (16)Density: 1.632 g/cm³; (17)Flash Point: 186.3 °C; (18)Enthalpy of Vaporization: 64.11 kJ/mol; (19)Boiling Point: 391.4 °C at 760 mmHg; (20)Vapour Pressure: 2.46E-06 mmHg at 25°C.

Uses of 4-Chloroformylphthalic anhydride: this chemical can be used to prepare 4-[(adamant-1-yl)oxycarbonyl]phthalic anhydride with adamantan-1-ol. This reaction occurs at temperature of 20 °C using reagent pyridine for 2 hours. The yield is about 55%.

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. When contact with water it liberates toxic gas. Therefore, wear suitable protective clothing, gloves and eye/face protection if you are using this product. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you feel unwell, seek medical advice immediately. This chemical is sensitive to moisture. Store it at temp. 2-8°C.

You can still convert the following datas into molecular structure:
(1)SMILES: ClC(=O)c1ccc2C(=O)OC(=O)c2c1;
(2)InChI: InChI=1/C9H3ClO4/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H;
(3)InChIKey: NJMOHBDCGXJLNJ-UHFFFAOYAD