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101-68-8

101-68-8 structural image
Product Name: 4,4'-Diphenylmethane diisocyanate
Formula: C15H10N2O2
Synonyms: 4,4′-Methylenebis(phenyl isocyanate);4,4′-Methylenediphenyl diisocyanate;Methylenediphenylene diisocyanate;Bis(4-isocyanatophenyl)methane;4,4′-Diphenylmethane diisocyanate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Diphenylmethane-4,4-diisocyanate is a light yellow colored solid. It is not soluble in water. It may be toxic by ingestion, inhalation, or skin absorption. If in a solution it may or may not burn depending on the nature of the material and/or the solvent. It is used to make plastics.
Color/Form Light-yellow, fused solid
Odor Odorless
Boiling Point 381 to 390 °F at 5 mmHg (NTP, 1992)
Melting Point 99 °F (NTP, 1992)
Flash Point 425 °F (NTP, 1992)
Solubility Insoluble (NTP, 1992)
Density 1.2 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Density Relative vapor density (air = 1): 8.6
Vapor Pressure 5e-06 mmHg at 77 °F (NIOSH, 2023)
Autoignition Temperature 240 °C
Decomposition When heated to decomposition it emits toxic fumes of /nitrogen oxides and sulfur oxides/.
Odor Threshold Odor Threshold Low: 0.39 [mmHg] Odor threshold from AIHA
Refractive Index Index of refraction: 1.5906 at 50 °C/D
Other Experimental Properties VAPOR PRESSURE: 0.0075 MM HG @ 94 °C /TECHNICAL PRODUCT/
Chemical Classes Plastics & Rubber -> Diisocyanates

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Exclamation Mark
Irritant
GHS07

Health Hazard
GHS08
GHS Hazard Statements H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H319:Serious eye damage/eye irritation
H332: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.
P308+P313:IF exposed or concerned: Get medical advice/attention.

COMPUTED DESCRIPTORS

Molecular Weight 250.25 g/mol
XLogP3 5.4
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 4
Rotatable Bond Count 4
Exact Mass 250.074227566 g/mol
Monoisotopic Mass 250.074227566 g/mol
Topological Polar Surface Area 58.9 Ų
Heavy Atom Count 19
Formal Charge 0
Complexity 332
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 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Diphenylmethane-4,4-diisocyanate is a light yellow colored solid. It is not soluble in water. It may be toxic by ingestion, inhalation, or skin absorption. If in a solution it may or may not burn depending on the nature of the material and/or the solvent. It is used to make plastics.

RELATED SUPPLIERS

Otto Chemie Pvt Ltd

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product:Diphenyl Methane Diisocyanate 98%
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