α,α'-Dichloro-p-xylene , 98% , 623-25-6

Synonym(s):
p-Xylylene dichloride;1,4-Bis(chloromethyl)benzene

CAS NO.：623-25-6

Empirical Formula: C8H8Cl2

Molecular Weight: 175.06

MDL number: MFCD00000920

EINECS: 210-782-7

PRODUCT Properties

• Melting point: 98-101 °C(lit.)
• Boiling point: 254 °C(lit.)
• Density: 1,417 g/cm³
• vapor pressure: 0.541Pa at 25℃
• refractive index: 1.5544 (estimate)
• Flash point: 254°C
• storage temp.: Inert atmosphere,Room Temperature
• solubility: methanol: 50 mg/mL, clear
• form: Crystalline Solid
• color: White to light yellow
• Water Solubility: hydrolysis
• BRN: 774706
• LogP: 3 at 25℃
• CAS DataBase Reference: 623-25-6(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1,4-bis(chloromethyl)-(623-25-6)
• EPA Substance Registry System: Benzene, 1,4-bis(chloromethyl)- (623-25-6)

Description and Uses

α,α′-Dichloro-p-xylene is a monomer used in preparation of poly(p-phenylene vinylene(PPV) nanotubes and nanorods by chemical vapor deposition (CVD) polymerization method 1 . α,α′-Dichloro-p-xylene was used in a study to investigate the effect of CVD monomer selection and reaction conditions on the resulting PPV polymer layer composition and luminescence properties 2 .

Safety

• Symbol(GHS): GHS07,GHS09
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335-H410
• Precautionary statements: P273-P301+P312+P330-P302+P352-P305+P351+P338
• Hazard Codes: Xn,Xi,T+,C
• Risk Statements: 22-36/38-36/37/38-26-50/53-34-36
• Safety Statements: 26-36/37-45-36/37/39-28A-27
• RIDADR: 3261
• WGK Germany: 3
• RTECS: ZE4100000
• F: 9-19-21
• Hazard Note: Irritant
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: II
• HS Code: 29036990
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)