1,4-Phenylene diisocyanate , 98% , 104-49-4

CAS NO.：104-49-4

Empirical Formula: C8H4N2O2

Molecular Weight: 160.13

MDL number: MFCD00002025

EINECS: 203-207-6

PRODUCT Properties

• Melting point: 96-99 °C (lit.)
• Boiling point: 260 °C (lit.)
• Density: 1.3848 (rough estimate)
• vapor pressure: <0.01 mm Hg ( 20 °C)
• refractive index: 1.4900 (estimate)
• Flash point: >230 °F
• solubility: THF: soluble
• form: powder to crystal
• color: White to Light yellow
• Water Solubility: 130mg/L at 20℃
• Stability: Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive.
• LogP: 3.19 at 20℃
• CAS DataBase Reference: 104-49-4(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1,4-diisocyanato-(104-49-4)
• EPA Substance Registry System: 1,4-Phenylene diisocyanate (104-49-4)

Description and Uses

1,4-Phenylene diisocyanate has been used:

• as croos-linking reagent to investigate the mechanism of enzyme immobilization on silanized surfaces
• in the synthesis of dipodal bis-urea receptor, a selective receptor for hydrogen sulfate
• in deposition of polyurea resists films via molecular layer deposition

Safety

• Symbol(GHS): GHS06,GHS08,GHS09
• Signal word: Danger
• Hazard statements: H315-H317-H319-H330-H334-H411
• Precautionary statements: P260-P273-P280-P302+P352-P304+P340+P310-P305+P351+P338
• Hazard Codes: Xn,C
• Risk Statements: 20/21/22-36/37/38-42-34-41-38
• Safety Statements: 22-26-36/37-45-36/37/39
• RIDADR: UN 2811 6.1/PG 3
• WGK Germany: 3
• RTECS: CZ6150000
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29291010
• Limited Quantities: 100ml (liquid) or 0.5 Kg (solid)
• Excepted Quantities: Max Inner Pack (1g or 1ml) and Max Outer Pack (500g or 500ml)