9016-87-9
Product Name:
Polymethylene polyphenyl polyisocyanate
Formula:
C8H7NO2
Synonyms:
PAPI 2027;PMDI;Polymethylene polyphenyl isocyanate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Polymeric diphenylmethane diisocyanate is a dark-brown liquid with a weak odor. Sinks in water. (USCG, 1999) |
|---|---|
| Color/Form | DARK-AMBER VISCOUS LIQUID |
| Boiling Point | 392 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 200 °C |
| Flash Point | 425 °F (USCG, 1999) |
| Density | 1.2 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 0.000003 [mmHg] |
| Stability/Shelf Life | LOW VOLATILITY |
| Other Experimental Properties | ISOCYANATE EQUIVALENT 132-137 G/EQUIV; HYDROLYZABLE CHLORIDE 0.28-0.5%; ISOCYANATE CONTENT 30.5-32% MIN |
| Chemical Classes | Plastics & Rubber -> Diisocyanates |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H330:Acute toxicity,inhalation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H351:Carcinogenicity H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 149.15 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 149.047678466 g/mol |
| Monoisotopic Mass | 149.047678466 g/mol |
| Topological Polar Surface Area | 46.5 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 123 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Polymeric diphenylmethane diisocyanate is a dark-brown liquid with a weak odor. Sinks in water. (USCG, 1999)