Isophthaloyl dichloride, 98%

Description

CAS: 99-63-8 | C8H4Cl2O2 | 203.018 g/mol

Isophthaloyl dichloride is used in a variety of performance polymers and fibers, where it impacts flame resistance, temperature stability, chemical resistance, and flexibility. In addition, it is an effective stabilizer for urethane prepolymers due to its ability to scavenge water. Also used in aromatic fiber raw materials.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Isophthaloyl dichloride is used in a variety of performance polymers and fibers, where it impacts flame resistance, temperature stability, chemical resistance, and flexibility. In addition, it is an effective stabilizer for urethane prepolymers due to its ability to scavenge water. Also used in aromatic fiber raw materials.

Solubility
Reacts with water.

Notes
Incompatible with strong bases and strong oxidizing agents. It is sensitive to moisture. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Moisture sensitive.

Specifications

Chemical Identifiers

• CAS: 99-63-8
• Molecular Formula: C8H4Cl2O2
• Molecular Weight (g/mol): 203.018
• MDL Number: MFCD00000678
• InChI Key: FDQSRULYDNDXQB-UHFFFAOYSA-N
• Synonym: isophthaloyl chloride, isophthaloyl dichloride, 1,3-benzenedicarbonyl dichloride, m-phthaloyl chloride, isophthalic chloride, isophthalic acid chloride, isophthalic acid dichloride, isothaloyl chloride, isophthalyl chloride, 1,3-benzenedicarbonyl chloride
• PubChem CID: 7451
• IUPAC Name: benzene-1,3-dicarbonyl chloride
• SMILES: C1=CC(=CC(=C1)C(=O)Cl)C(=O)Cl

• Melting Point: 42°C to 45°C
• Density: 1.388
• Boiling Point: 275°C to 278°C
• Flash Point: 180°C (356°F)
• Quantity: 500 g
• UN Number: UN3261
• Beilstein: 638342
• Sensitivity: Moisture sensitive
• Solubility Information: Reacts with water.
• Formula Weight: 203.02
• Percent Purity: 98%
• Chemical Name or Material: Isophthaloyl dichloride

Safety and Handling

Hazard Category	H312-H314-H331-H335
Hazard Statement	GHS H Statement H314-H318-H312 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful in contact with skin.
Precautionary Statement	P232-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P311-P312-P363-P501c
DOTInformation	Hazard Class: 6.1; Packaging Group: I
EINECSNumber	202-774-7
RTECSNumber	NT2625000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Argon

SDS

RUO – Research Use Only