240664

1,2-Dichlorobenzene

anhydrous, 99%

• Synonym(s): o-DCB, o-dichlorobenzene
• Empirical Formula (Hill Notation): C₆H₄Cl₂
• CAS Number: 95-50-1
• Molecular Weight: 147.00
• Beilstein: 606078
• EC Number: 202-425-9
• MDL number: MFCD00000535
• UNSPSC Code: 12352101
• PubChem Substance ID: 57648050
• NACRES: NA.21

Properties

• grade: anhydrous
• Quality Level: 100
• vapor density: 5.1 (vs air)
• vapor pressure: 1.2 mmHg ( 20 °C); 1.6 mmHg ( 35 °C)
• Assay: 99%
• form: liquid
• autoignition temp.: 1198 °F
• expl. lim.: 9.2 %
• impurities: <0.003% water; <0.005% water (100 mL pkg)
• evapn. residue: <0.0003%
• refractive index: n20/D 1.551 (lit.)
• bp: 178-180 °C (lit.)
• mp: −18-−17 °C (lit.)
• density: 1.306 g/mL at 25 °C (lit.)
• SMILES string: Clc1ccccc1Cl
• InChI: 1S/C6H4Cl2/c7-5-3-1-2-4-6(5)8/h1-4H
• InChI key: RFFLAFLAYFXFSW-UHFFFAOYSA-N

Description

Application

1,2-Dichlorobenzene may be used as a starting material in the synthesis of (phenyl)[2-(trimethylsilyl)phenyl]iodonium triflates and 1,2-dibutylbenzene.

Safety Information

• Pictograms: GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H302 + H332 - H315 - H317 - H319 - H335 - H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1B - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 2
• Flash Point(F): 150.8 °F - closed cup
• Flash Point(C): 66.0 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves