4128-73-8

4128-73-8 structure
4128-73-8 structure

Name 1-isocyanato-4-(4-isocyanatophenoxy)benzene
Synonyms 4,4'-Diisocyanatodiphenyl oxide
4,4'-Diisocyanatodiphenyl ether
MFCD00216648
Density 1.2700 (rough estimate)
Boiling Point 196ºC5 mm Hg(lit.)
Melting Point 64-68ºC(lit.)
Molecular Formula C14H8N2O3
Molecular Weight 252.22500
Exact Mass 252.05300
PSA 68.09000
LogP 3.41350
Index of Refraction 1.5910 (estimate)
Symbol GHS06 GHS08
GHS06, GHS08
Signal Word Danger
Hazard Statements H301-H312-H315-H317-H319-H330-H334-H335
Precautionary Statements P260-P280-P284-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn
Risk Phrases 20/21/22-36/37/38
Safety Phrases 23-26-36/37/39
RIDADR UN 2206 6.1/PG 3
WGK Germany 3
HS Code 2929109000

~%

4128-73-8 structure

4128-73-8

Literature: Siefken Justus Liebigs Annalen der Chemie, 1949 , vol. 562, p. 75,1114
HS Code 2929109000
Summary 2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%